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The impact of the Covid-19 pandemic on postnatal anxiety and posttraumatic stress: Analysis of two population-based national maternity surveys in England. J Affect Disord 2024; 356:122-136. [PMID: 38574867 DOI: 10.1016/j.jad.2024.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 03/26/2024] [Accepted: 04/01/2024] [Indexed: 04/06/2024]
Abstract
BACKGROUND Few studies have evaluated postnatal anxiety and posttraumatic stress (PTS) before and during the Covid-19 pandemic using comparable data across time. We used data from two national maternity surveys in England to explore the impact of the pandemic on prevalence and risk factors for postnatal anxiety and PTS. METHODS Analysis was conducted using population-based surveys carried out in 2018 (n = 4509) and 2020 (n = 4611). Weighted prevalence estimates for postnatal anxiety and PTS were compared across surveys. Adjusted risk ratios (aRR) were estimated for the association between risk factors and postnatal anxiety and PTS. FINDINGS Prevalence of postnatal anxiety increased from 13.7 % in 2018 to 15.1 % in 2020 (+1.4 %(95%CI:-0.4-3.1)). Prevalence of postnatal PTS increased from 9.7 % in 2018 to 11.5 % in 2020 (+1.8 %(95%CI:0.3-3.4)), due to an increase in PTS related to birth trauma from 2.5 % to 4.3 % (+1.8 %(95%CI:0.9-2.6); there was no increase in PTS related to non-birth trauma. Younger age (aRR = 1.31-1.51), being born in the UK (aRR = 1.29-1.59), long-term physical or mental health problem(s) (aRR = 1.27-1.94), and antenatal anxiety (aRR = 1.97-2.22) were associated with increased risk of postnatal anxiety and PTS before and during the pandemic, whereas higher satisfaction with birth (aRR = 0.92-0.94) and social support (aRR = 0.81-0.82) were associated with decreased risk. INTERPRETATION Prevalence of postnatal PTS was significantly higher during the pandemic, compared to before the pandemic, due to an increase in PTS related to birth trauma. Prevalence of postnatal anxiety was not significantly higher during the pandemic. Risk factors for postnatal anxiety and PTS were similar before and during the pandemic.
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Achievement of Target Gain Larger than Unity in an Inertial Fusion Experiment. PHYSICAL REVIEW LETTERS 2024; 132:065102. [PMID: 38394591 DOI: 10.1103/physrevlett.132.065102] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 01/03/2024] [Indexed: 02/25/2024]
Abstract
On December 5, 2022, an indirect drive fusion implosion on the National Ignition Facility (NIF) achieved a target gain G_{target} of 1.5. This is the first laboratory demonstration of exceeding "scientific breakeven" (or G_{target}>1) where 2.05 MJ of 351 nm laser light produced 3.1 MJ of total fusion yield, a result which significantly exceeds the Lawson criterion for fusion ignition as reported in a previous NIF implosion [H. Abu-Shawareb et al. (Indirect Drive ICF Collaboration), Phys. Rev. Lett. 129, 075001 (2022)PRLTAO0031-900710.1103/PhysRevLett.129.075001]. This achievement is the culmination of more than five decades of research and gives proof that laboratory fusion, based on fundamental physics principles, is possible. This Letter reports on the target, laser, design, and experimental advancements that led to this result.
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Health Behavior and Attitudes During the COVID-19 Pandemic Among Vulnerable and Underserved Latinx in the Southwest USA. PREVENTION SCIENCE : THE OFFICIAL JOURNAL OF THE SOCIETY FOR PREVENTION RESEARCH 2024; 25:279-290. [PMID: 36862363 PMCID: PMC9978289 DOI: 10.1007/s11121-023-01512-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/10/2023] [Indexed: 03/03/2023]
Abstract
The COVID-19 pandemic highlighted deep-rooted health disparities, particularly among Latinx immigrants living on the Mexico-US border. This article investigates differences between populations and adherence to COVID-19 preventive measures. This study investigated whether there are differences between Latinx recent immigrants, non-Latinx Whites, and English-speaking Latinx in their attitudes and adherence to COVID-19 preventive measures. Data came from 302 participants who received a free COVID-19 test at one of the project sites between March and July 2021. Participants lived in communities with poorer access to COVID-19 testing. Choosing to complete the baseline survey in Spanish was a proxy for being a recent immigrant. Survey measures included the PhenX Toolkit, COVID-19 mitigating behaviors, attitudes toward COVID-19 risk behaviors and mask wearing, and economic challenges during the COVID-19 pandemic. With multiple imputation, ordinary least squares (OLS) regression was used to analyze between-group differences in mitigating attitudes and behaviors toward COVID-19 risk. Adjusted OLS regression analyses showed that Latinx surveyed in Spanish perceived COVID-19 risk behaviors as more unsafe (b = 0.38, p = .001) and had stronger positive attitudes toward mask wearing (b = 0.58, p = .016), as compared to non-Latinx Whites. No significant differences emerged between Latinx surveyed in English and non-Latinx Whites (p > .05). Despite facing major structural, economic, and systemic disadvantages, recent Latinx immigrants showed more positive attitudes toward public health COVID-19 mitigating measures than other groups. The findings have implications for future prevention research about community resilience, practice, and policy.
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"It's not just the medical aspects that are important": A qualitative exploration of first-time parents' experiences of antenatal imaging and their influence on parent-fetal bonding. Radiography (Lond) 2024; 30:288-295. [PMID: 38064765 DOI: 10.1016/j.radi.2023.11.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 11/16/2023] [Accepted: 11/22/2023] [Indexed: 01/15/2024]
Abstract
INTRODUCTION Antenatal imaging provides clinical information regarding fetal growth and development. The additional benefit afforded by imaging for expectant parents in developing an emotional connection (bond) to the unborn baby is also acknowledged. However, the relationship between imaging and bonding is not fully understood, particularly where there are differing parental and pregnancy circumstances, for example use of advanced imaging techniques or the prenatal diagnosis of a congenital fetal condition. This study aimed to explore the role of antenatal imaging in enhancing the developing parent-fetal bond in first-time parents. METHODS A descriptive, qualitative methodology was used. Semi-structured telephone interviews were conducted with first-time expectant parents attending a London hospital for clinical ultrasound (n = 20) or research MRI (n = 8) imaging during pregnancy. The sample included parents receiving specialist antenatal care for a diagnosed fetal cardiac condition (n = 8). Thematic analysis was conducted. RESULTS The analysis generated three themes: 1) Our baby, our scan too; 2) Destination parenthood; and 3) Being in the dark, then finding the light. These themes highlight the important, but transient role of antenatal imaging in enhancing parent-fetal bonding, as well as the differing care needs of expectant parents. The integral role of healthcare professionals in providing a personalised, supportive, imaging experience to facilitate bonding is also reflected. CONCLUSION Adopting parent-centred care approaches which involve expectant parents in fetal imaging influences bonding by helping parents to consider the reality of their impending parenthood. Knowledge acquired during scans is used to create an identity for the unborn baby, which parents can develop an emotional connection to. IMPLICATIONS FOR PRACTICE To optimise the potential for enhanced parent-fetal bonding, care provision in fetal imaging should be tailored to the individual needs of expectant parents.
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Temporal Changes in Vaccine-Specific Willingness Across Race/Ethnicity Following Serious Adverse Event Reports. Am J Public Health 2024; 114:S37-S40. [PMID: 37944076 PMCID: PMC10785178 DOI: 10.2105/ajph.2023.307484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/29/2023] [Indexed: 11/12/2023]
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Associations between parent-adolescent health-related conversations and mealtime media use among Hispanic families. FAMILIES, SYSTEMS & HEALTH : THE JOURNAL OF COLLABORATIVE FAMILY HEALTHCARE 2023:2024-19514-001. [PMID: 37870808 PMCID: PMC11035490 DOI: 10.1037/fsh0000855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2023]
Abstract
INTRODUCTION Whereas parents play an important role in shaping the home environment, it is unknown whether health-related parent-adolescent conversations may be associated with different health-promoting parenting practices, such as limiting adolescent mealtime media use in Hispanic families. METHOD For this cross-sectional analysis, Hispanic parents (n = 344; 40.4 ± 6.6 years; 89.2% female) of sixth- to eighth-grade adolescents self-reported the frequency of having health- or weight-related conversations with their adolescent child, and the frequency of adolescent mealtime media device use. Spearman's rank correlations were used to assess whether parent-adolescent health-related conversations are associated with mealtime media device use by adolescents. RESULTS Over 75% of parents reported having conversations about healthy eating and being physically active at least a few times per week. Fewer parents reported having frequent weight-related conversations. Frequency of mealtime media use was low, except for television/movie watching (only 30% of parents reported their child rarely/never watching television during family meals). Having conversations related to the adolescent weighing too much was correlated with the mealtime use of television (r = .207; p < .001), cellphones (r = .134; p = .018), and headphones for music listening (r = .145; p = .010). Conversations about exercising to lose weight were correlated with television/movie watching during mealtimes (r = .129; p = .035). DISCUSSION Findings suggest the co-occurrence of less health-promoting parenting behaviors, such as focusing on weight-related conversations and allowing the use of media devices during mealtimes. Focusing on health- rather than weight-related parent-adolescent conversations and implementing mealtime media use rules may have the potential to shape a home food environment which ultimately could improve an adolescent's overall health outcomes. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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Diet Outcomes from a Randomized Controlled Trial Assessing a Parenting Intervention Simultaneously Targeting Healthy Eating and Substance Use Prevention among Hispanic Middle-School Adolescents. Nutrients 2023; 15:3790. [PMID: 37686822 PMCID: PMC10489966 DOI: 10.3390/nu15173790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 09/10/2023] Open
Abstract
Parents play a significant role in adolescent health behaviors; however, few nutrition interventions for Hispanic adolescents involve parents. This study assessed the effects of a 10-week parenting intervention simultaneously targeting nutrition and substance use prevention. Hispanic parent/6th-8th-grade adolescent dyads (n = 239) were randomized to Families Preparing the New Generation Plus (FPNG+; nutrition/substance use prevention), FPNG (substance use prevention only), or Realizing the American Dream (RAD; academic success control). Surveys assessed diet, alcohol use, substance use intentions, and substance use norms at baseline (T1), immediately post-intervention (T2), and at 16 weeks post-intervention (T3). Latent change modeling assessed diet changes; adolescent substance use outcomes were assessed using effect sizes. Among adolescents, those in FPNG+ increased fruit (+0.32 cup equivalents, p = 0.022) and fiber intake (+1.06 g, p = 0.048) and did not change added sugars intake at T2; those in FPNG and RAD reduced their intake of fruit and fiber (p < 0.05 for both). FPNG+ parents marginally increased fruit/vegetable intake (+0.17 cup equivalents, p = 0.054) and increased whole grains intake (+0.25-ounce equivalents, p < 0.05), in contrast to the reduction among RAD and FPNG parents (p < 0.05). Reductions in added sugar intake at T2 were greater among FPNG and FPNG+ parents relative to RAD parents (p < 0.05). FPNG+ and FPNG had comparable substance use outcomes (i.e., both had lower alcohol use and intentions to use substances relative to RAD). Engaging parents in a nutrition and substance use prevention parenting intervention yielded positive changes in dietary intake and maintained substance use prevention outcomes among their adolescent children.
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Adaptation process of a culturally congruent parenting intervention for parents of Hispanic adolescents to an online synchronous format. Transl Behav Med 2023; 13:160-167. [PMID: 36617277 PMCID: PMC10068902 DOI: 10.1093/tbm/ibac097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Adaptations to interventions for specific settings or communities are critical for facilitating successful implementation. The Dynamic Adaptation Process model was applied to systematically assess the adaptation process made to an in-person parenting intervention (FPNG+) prior to its implementation online. This qualitative case study design included meeting notes and interviews completed with project team members. Meeting notes were analyzed using content analysis. Semi-structured interviews regarding project team members' roles on FPNG+ and processes and activities they identified as critical for the adaptation of FPNG+ to an online intervention were analyzed using a deductive-inductive approach. In the formative phase, three primary processes were identified: information gathering to determine if the environment existed for the implementation of an online program; considerations to support the facilitation process of FPNG+ to an online environment, and decision-making to support modifications to FPNG+. The pre-implementation phase consisted of three processes: information shared by the instructional designer to facilitate the delivery of the FPNG+ content online; modifications made to the format of the intervention to meet the cultural needs of Hispanic families and address contextual issues; and iterative efforts to tailor the intervention by the project team. This study used implementation science to distinguish the dynamic processes that occurred across different systems and multiple levels in the project team's effort to modify FPNG+ to an online intervention. The contribution of this study underscores the importance of identifying the processes that facilitate the modifications made to an intervention and the capacity to implement the modified intervention with Hispanic families.
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Narratives from African American/Black, American Indian/Alaska Native, and Hispanic/Latinx community members in Arizona to enhance COVID-19 vaccine and vaccination uptake. J Behav Med 2023; 46:140-152. [PMID: 35322313 PMCID: PMC8942760 DOI: 10.1007/s10865-022-00300-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 02/15/2022] [Indexed: 12/25/2022]
Abstract
The state of Arizona has experienced one of the highest novel coronavirus disease 2019 (COVID-19) positivity test rates in the United States with disproportionally higher case rates and deaths among African-American/Black (AA/B), American Indian/Alaska Native (Native), and Hispanic/Latinx (HLX) individuals. To reduce disparities and promote health equity, researchers from Arizona State University, Mayo Clinic in Arizona, Northern Arizona University, and the University of Arizona formed a partnership with community organizations to conduct state-wide community-engaged research and outreach. This report describes results from 34 virtually-held focus groups and supplemental survey responses conducted with 153 AA/B, HLX, and Native community members across Arizona to understand factors associated with COVID-19 vaccine hesitancy and confidence. Focus groups revealed common themes of vaccine hesitancy stemming from past experiences of research abuses (e.g., Tuskegee syphilis experiment) as well as group-specific factors. Across all focus groups, participants strongly recommended the use of brief, narrative vaccination testimonials from local officials, community members, and faith leaders to increase trust in science, vaccine confidence and to promote uptake.
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“It has been the most difficult time in my career”: A qualitative exploration of UK obstetric sonographers’ experiences during the COVID-19 pandemic. Radiography (Lond) 2023; 29:582-589. [PMID: 37004376 PMCID: PMC10027955 DOI: 10.1016/j.radi.2023.03.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/28/2023] [Accepted: 03/11/2023] [Indexed: 03/24/2023]
Abstract
Introduction Substantial changes were made to the provision of pregnancy ultrasound services during the COVID-19 pandemic with the intention of minimising virus transmission and maintaining service continuity. Published literature describing the impact of the pandemic on obstetric sonographers is predominantly quantitative in nature, however statistics cannot fully convey sonographers’ voices. This study aimed to gain a deeper understanding of the lived experiences of UK obstetric sonographers performing pregnancy ultrasound scans during the pandemic. Methods A UK-wide, online, anonymous cross-sectional survey on Qualtrics XMTM was open to responses between 9th March and 6th May 2021. Whilst this survey contained some quantitative elements, open questions were included to capture additional qualitative detail from respondents about their perceptions and experiences of scanning during the pandemic. Key themes were generated from free text responses using thematic analysis. Results Written responses were received from 111/138 sonographers participating in the survey. Five themes were generated, depicting the impact of the pandemic on obstetric sonographers: 1) continuity in a crisis; 2) decisions about me, without me; 3) battle scars – the lasting damage of COVID-19; 4) what people think I do vs. what I really do; and 5) the human touch. A cross-cutting theme was sonographers’ feelings of disconnection from senior figures and expectant parents which created a sense of abandonment and distrust. Conclusion Survey respondents’ self-reported experiences of ineffective leadership and management, and perceived lack of understanding of the complexity of the sonographer role are potential contributory factors in the high levels of moral injury and occupational burnout reported within the workforce during the pandemic. Implications for practice Moral injury support and healing must be prioritised to enable the recovery of the obstetric ultrasound workforce in the post-pandemic era.
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Impact and Perceived Value of iGeriCare e-Learning Among Dementia Care Partners and Others: Pilot Evaluation Using the IAM4all Questionnaire. JMIR Aging 2022; 5:e40357. [PMID: 36150051 PMCID: PMC9816950 DOI: 10.2196/40357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 09/13/2022] [Accepted: 09/22/2022] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Care partners of people living with dementia may benefit from web-based education. We developed iGeriCare, an award-winning internet-based platform with 12 multimedia e-learning lessons about dementia. OBJECTIVE Our objective was to evaluate users' perceptions of impact. METHODS From March 17, 2021 to May 16, 2022, data were collected upon lesson completion. We used the content-validated Information Assessment Method for all (IAM4all) for patients and the public adapted for dementia care partners. The IAM4all questionnaire assesses outcomes of web-based consumer health information. Responses were collected using SurveyMonkey, and data were analyzed using IBM SPSS Statistics (version 28). RESULTS A total of 409 responses were collected, with 389 (95.1%) survey respondents completing the survey. Of 409 respondents, 179 (43.8%) identified as a family or friend care partner, 84 (20.5%) identified as an individual concerned they may have mild cognitive impairment or dementia, 380 (92.9%) identified the lesson as relevant or very relevant, and 403 (98.5%) understood the lesson well or very well. Over half of respondents felt they were motivated to learn more, they were taught something new, or they felt validated in what they do, while some felt reassured or felt that the lesson refreshed their memory. Of 409 respondents, 401 (98%) said they would use the information, in particular, to better understand something, discuss the information with someone else, do things differently, or do something. CONCLUSIONS Users identified iGeriCare as relevant and beneficial and said that they would use the information. To our knowledge, this is the first time the IAM4all questionnaire has been used to assess patient and caregiver feedback on internet-based dementia education resources. A randomized controlled trial to study feasibility and impact on caregiver knowledge, self-efficacy, and burden is in progress.
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Lawson Criterion for Ignition Exceeded in an Inertial Fusion Experiment. PHYSICAL REVIEW LETTERS 2022; 129:075001. [PMID: 36018710 DOI: 10.1103/physrevlett.129.075001] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 06/24/2022] [Accepted: 07/06/2022] [Indexed: 06/15/2023]
Abstract
For more than half a century, researchers around the world have been engaged in attempts to achieve fusion ignition as a proof of principle of various fusion concepts. Following the Lawson criterion, an ignited plasma is one where the fusion heating power is high enough to overcome all the physical processes that cool the fusion plasma, creating a positive thermodynamic feedback loop with rapidly increasing temperature. In inertially confined fusion, ignition is a state where the fusion plasma can begin "burn propagation" into surrounding cold fuel, enabling the possibility of high energy gain. While "scientific breakeven" (i.e., unity target gain) has not yet been achieved (here target gain is 0.72, 1.37 MJ of fusion for 1.92 MJ of laser energy), this Letter reports the first controlled fusion experiment, using laser indirect drive, on the National Ignition Facility to produce capsule gain (here 5.8) and reach ignition by nine different formulations of the Lawson criterion.
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Household Factors Associated With Home Food Availability Among Latinx Families With Middle School-Aged Children. Curr Dev Nutr 2022. [PMCID: PMC9194325 DOI: 10.1093/cdn/nzac065.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Objectives To examine household factors associated with home food availability among Latinx families with middle school-aged children. Methods Dyads of Latinx parents and a middle school-aged child enrolled in a trial testing the efficacy of a nutrition-enhanced school-based parenting intervention in a Southwestern metropolitan area. During a baseline home visit, trained research assistants used a culturally-adapted version of the home food inventory to count the number of different types of fruits, vegetables, and sugar-containing food items available in the home. The latter were disaggregated into white bread, high-sugar cereals, prepared and frozen desserts, and sugar-sweetened beverages and candies. Household factors included as independent variables were food insecurity, frequency of family meals, frequency of conversations about healthy eating, and household size. Poisson regression models accounting for clustered data at the school-level were used to assess associations. Results Of 108 participating households, 72.2% were food secure, 52.8% had ≥7 weekly family meals, 49.1% had conversations about healthy eating habits almost every day, and the mean household size was 5.4 ± 1.89 people. Households had 7.4 ± 3.0 different types of fruits, 9.9 ± 3.6 different types of vegetables, and 9.1 ± 4.1 different types of sugar-containing foods available. Compared to households where healthy eating conversations happened almost every day, those with fewer conversations had a lower count of fruits (Adjusted Incidence Rate Ratio [AIRR] 0.75, 95% confidence interval [CI] 0.57–0.98). Compared to food secure households, low and very low food security was associated with a lower count of vegetables (AIRR 0.87, 95% CI 0.76–0.99; and 0.68, 0.56–0.83, respectively), and low food security was associated with a lower count of white bread. Compared to households with ≥7 weekly family meals, the count of all sugar subgroups, except white bread, was lower among households with lower frequency of family meals. Conclusions Results suggest that household food security and having family conversations around healthy eating habits are two relevant factors that may help improve the availability of fruits and vegetables among Latinx households. Funding Sources National Institute on Minority Health and Health Disparities.
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Organ fat in Latino youth at risk for type 2 diabetes. Pediatr Diabetes 2022; 23:286-290. [PMID: 35001468 PMCID: PMC8983449 DOI: 10.1111/pedi.13311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 12/13/2021] [Accepted: 01/03/2022] [Indexed: 11/26/2022] Open
Abstract
PURPOSE Obesity in youth increases the risk for type 2 diabetes (T2D) and elevated abdominal adipose tissue and organ fat may be particularly deleterious. The purpose of this study was to examine associations among measures of adiposity including total, visceral, and organ fat (hepatic and pancreatic) and whether these measures were independently associated with glycemia in Latino youth at risk for diabetes. METHODS Latino adolescents (47 boys and 32 girls, 13.7 ± 1.4 years) with obesity (BMIz 2.3 ± 0.3) were assessed for total fat by DXA and visceral and organ fat by 3 T magnetic resonance imaging. Glycemic indicators included HbA1c, fasting glucose (FG), and 2-h glucose (2-HrG) following an oral glucose tolerance test. Pearson correlations and stepwise linear regression analyses controlling for age and sex were used to examine independent associations between adiposity and glycemia. RESULTS Total fat was associated with visceral (r = 0.66, p = 0.001) and hepatic fat (r = 0.34, p < 0.01) while visceral fat was associated with hepatic (r = 0.42, p < 0.001) and pancreatic fat (r = 0.36, p < 0.001). In stepwise linear regression analysis, hepatic and pancreatic fat were significant predictors of FG, explaining 4.7% and 5.2% of the variance, respectively (total R2 = 0.14, p = 0.02). Hepatic fat was the only significant predictor of 2-HrG explaining 9.9% of the variance in the model (total R2 = 0.12, p = 0.03). No measure of adiposity was retained as a significant predictor of HbA1c. CONCLUSION Hepatic and pancreatic fat were the only adiposity measures independently associated with glycemia but the small amount of variance explained underscores the need for additional T2D biomarkers in high risk youth.
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Video-based messages to reduce COVID-19 vaccine hesitancy and nudge vaccination intentions. PLoS One 2022; 17:e0265736. [PMID: 35385505 PMCID: PMC8985948 DOI: 10.1371/journal.pone.0265736] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 03/07/2022] [Indexed: 11/19/2022] Open
Abstract
Vaccines are highly effective for curbing the spread of SARS-CoV-2 (COVID-19). Yet, millions of Americans remain hesitant about getting vaccinated, jeopardizing our ability to end the COVID-19 pandemic by fueling the spread and development of new variants. We show that brief video-based messages of encouragement addressing specific COVID-19 vaccine concerns increase vaccination intentions, and that vaccination intentions, in turn, are predictive of future vaccine uptake. Results from our online experiment reveal that willingness to get vaccinated is driven by messages that increase confidence in COVID-19 vaccines and perceived behavioral control to get vaccinated. Importantly, messages were particularly effective among more skeptical populations including people who identify as politically conservative or moderate and those who express low trust in government institutions. Our findings corroborate the real-world behavioral significance of vaccination intentions, and devise how even short, scalable online messages can provide governments and health authorities an inexpensive, yet effective tool for increasing intentions to vaccinate against COVID-19 among populations most reluctant to get them.
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Balancing restrictions and access to maternity care for women and birthing partners during the COVID-19 pandemic: the psychosocial impact of suboptimal care. BJOG 2021; 128:1720-1725. [PMID: 34268858 PMCID: PMC8441715 DOI: 10.1111/1471-0528.16844] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/02/2021] [Indexed: 11/30/2022]
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Associations of Health-Related Conversations and Mealtime Media Device Use Among Parent-Adolescent Dyads. Curr Dev Nutr 2021. [DOI: 10.1093/cdn/nzab035_064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Objectives
To determine how health-related conversations between parents and their adolescent children is associated with mealtime media device use by adolescents.
Methods
A sample of primarily Hispanic parents (n = 347; 43 ± 6.5 years; 89.3% female) of 6th, 7th or 8th grade adolescents enrolled in a parenting intervention focusing on the promotion of healthy nutrition and substance use prevention. Parents completed baseline surveys to self-report the frequency with which they had health-related conversations with their adolescent child (healthy eating, being physically active, adolescent's weight, adolescent weighing too much, eating differently to lose weight, exercising to lose weight), and the frequency with which the adolescent used media devices during mealtimes (television and movie watching, cellphone use or texting, handheld gaming devices, listening to music with headphones). Spearman's rank correlations were used to assess the associations between health-related communication and mealtime media device use.
Results
Reported conversations about healthy eating, being physically active, and general weight of the adolescent were not associated with reported use of media devices by adolescents during mealtimes. Having conversations related to the adolescent weighing too much was positively and significantly correlated with television/movie watching (r = 0.219; P < 0.0001), talking on a cellphone (r = 0.130; P < 0.05), using gaming devices (r = 0.140; P < 0.05), and listening to music with headphones (r = 0.136; P < 0.05). Having conversations about exercising to lose weight was also significantly correlated with television/movie watching during mealtimes (r = 0.137; P < 0.05).
Conclusions
Findings suggest that higher frequency of weight-related conversation is associated with higher usage of media devices during mealtimes. Whether parenting practices, parental concerns about their children's weight, and the home mealtime environment play a role on adolescent weight status in Hispanic households warrants further investigation.
Funding Sources
National Institute on Minority Health and Health Disparities and Health Resources and Services Administration of the U.S. Department of Health and Human Services as part of a Maternal Child Health Bureau Nutrition Training Grant.
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Abstract MP13: Lipid Peroxidation And Inflammatory Response Differentiate With Changes In Liver Fat Among Obese Latino Youth Following Lifestyle Intervention. Circulation 2021. [DOI: 10.1161/circ.143.suppl_1.mp13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Introduction:
Lipid peroxidation and inflammation are pivotal pathological processes involved in the progression of NAFLD, a prelude to cardiovascular disease. Lifestyle intervention is the cornerstone approach for preventing cardiometabolic disease among high-risk populations, yet studies have not examined the mechanisms by which lifestyle intervention may mediate changes in liver fat in youth.
Hypothesis:
Lifestyle intervention will decrease hepatic fat fraction (HFF), tumor necrosis alpha (TNF)-α, and malondialdehyde (MDA)-protein adducts.
Methods:
Latino youth with obesity (n=26, age 13.9±1.3, BMI% 98.1±1.1) and prediabetes completed a 6-month lifestyle intervention that included nutrition education (1 d/wk) and physical activity (3 d/wk). HFF was measured by MRI before and after intervention. Fasting serum samples were collected for measurement of lipid peroxidation, measured by MDA-protein adducts, and inflammation, measured by TNF-α. Repeated measures ANOVA models were used to examine the effect of lifestyle intervention on HFF, MDA-protein adducts, and TNF-α. Data are presented as Mean±SE.
Results:
The intervention led to significant decreases in HFF (from 7.0±1.1% to 5.4±0.7%, p=0.027) and TNF-α (from 1.7±1.0 to 1.5±0.1 pg/mL, p=0.050), but not MDA-protein adducts (from 266.4±28.4 to 253.8±29.3 pmol/mL, p=0.105). However, there was significant heterogeneity in changes in HFF whereby those with the greatest response (n=14) decreased HFF by -44.0% while non-responders (n=12) increased HFF by 67.5%. HFF responders exhibited significantly greater reductions in MDA-protein adducts (from 256.2±39.4 to 228.1±40.0 pmol/mL, Δ-10.1%) compared to HFF non-responders (from 278.4±42.5 to 283.7±43.2 pmol/mL, Δ2.0%; p=0.023). TNF-α was reduced in HFF responders (from 1.8±0.2 to 1.5±0.1 pg/mL, Δ-17.8%) compared to HFF non-responders (from 1.5±0.2 to 1.5±0.1 pg/mL, Δ-4.4%) but was not significant (p=0.231).
Conclusions:
Reductions in HFF through lifestyle changes were associated with greater reductions in markers of lipid peroxidation, but not inflammation. The effect of lifestyle intervention on HFF may be mediated by markers that extend beyond traditional clinical risk factors among high-risk youth.
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Abstract
Although roughly 70% of the American Indian and Alaska Native (AI) population live in urban areas, research is scarce regarding this population. As a consequence, there is limited understanding about the salient socioenvironmental factors that aid in preventing substance use among urban AI communities. This study utilized a statewide, cross-sectional, school-based survey of urban AI adolescents (N = 2,375) to (a) examine the associations between substance use and risk and promotive factors within the family and peer group, and (b) explore how these associations vary by subgroups (gender, racial/ethnic background, and grade level). Results suggest that risk factors-familial substance use and antisocial peer affiliation-were associated with higher alcohol, cigarette, and marijuana use. However, these findings varied by subgroup. For males, involvement with antisocial peers was associated with greater marijuana use. Involvement with antisocial peers was also positively associated with alcohol and marijuana use for multiracial/multiethnic AI adolescents and those adolescents in 10th and 12th grades. The promotive factors-supportive family environment and prosocial peer affiliation-were not universally associated with lowered substance use by subgroup. This study advances understandings of the risk and promotive factors important in reducing and preventing substance use among urban AI adolescents. Experiencing familial substance use and affiliating with antisocial peers were the salient factors associated with increased substance use, particularly for urban AI adolescents who are older, male, and with multiracial/multiethnic AI backgrounds.
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Prevalence and factors associated with postpartum posttraumatic stress in a population-based maternity survey in England. J Affect Disord 2021; 279:749-756. [PMID: 33234280 PMCID: PMC7758780 DOI: 10.1016/j.jad.2020.11.102] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 11/10/2020] [Accepted: 11/12/2020] [Indexed: 11/28/2022]
Abstract
BACKGROUND Studies on prevalence and factors associated with postpartum posttraumatic stress (PTS) typically do not distinguish between PTS related to childbirth (PTS-C) and PTS related to other stressors (PTS-O). This study aimed to describe the prevalence, clinical characteristics, and factors associated with PTS-C and PTS-O in postpartum women. METHODS The study was a cross-sectional population-based survey of 16,000 postpartum women, selected at random from birth registrations in England to receive a postal questionnaire, including the Primary Care Posttraumatic Stress Disorder Screen. RESULTS Questionnaires were returned by 4,509 women. The median age was 32 years (IQR=29-36), 64% were married, 77% were UK-born, and 76% were White-British. Prevalence of PTS-C was 2.5% (95%CI:2.0-3.0) and prevalence of PTS-O was 6.8% (95%CI:6.0-7.8). Women with PTS-C were significantly more likely to report re-experiencing symptoms (Chi-Square=7.69,p<0.01). Factors associated with PTS-C were: higher level of deprivation, not having a health professional to talk to about sensitive issues during pregnancy, and the baby being admitted for neonatal intensive care. Factors associated with PTS-O were: age ≤24 years, depression during pregnancy, and having a pregnancy affected by long-term health problems. Factors associated with both were: living without a partner, anxiety during pregnancy, pregnancy-specific health problems, and lower birth satisfaction. CONCLUSIONS PTS during the postpartum period is relatively common and, for many women, unrelated to childbirth. Increased awareness among health professionals of prevalence, clinical characteristics and factors associated with postpartum PTS-C and PTS-O will aid the development of appropriate management protocols to identify and support women during the perinatal period. Posttraumatic stress, posttraumatic stress disorder, postpartum PTSD/PTS, birth-related PTSD/PTS, birth trauma, perinatal mental health.
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A Novel Educational Prescription Web-Based Application to Support Education for Caregivers of People Living With Dementia: Development and Usability Study With Clinicians. JMIR Hum Factors 2020; 7:e23904. [PMID: 33275103 PMCID: PMC7748956 DOI: 10.2196/23904] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 11/12/2020] [Accepted: 11/12/2020] [Indexed: 01/23/2023] Open
Abstract
Background It is estimated that 564,000 Canadians are currently living with dementia and there are approximately 486,000 to 1.1 million informal family/friend caregivers. Family/friend caregivers often receive little to no education or training about dementia but are expected to provide ongoing support for a complex condition. Web-based family/friend caregiver interventions may be helpful, but little is known about how best to implement them. Objective The objectives of this study were to 1) design and develop a novel education prescription application to help scale and spread web-based dementia education to family/friend caregivers, 2) conduct user testing, and 3) conduct a larger-scale field trial. Methods A novel education prescription web-based application was designed and developed. Initial user testing used task completion and the “think aloud” technique with a small sample of representative clinicians who work with people living with dementia and family/friend caregivers. Following iterative incorporation of feedback, a larger field trial was conducted with a convenience sample of clinicians. Account invitations were sent to 55 clinicians and, following a 2-month trial period, surveys were administered to participants including the System Usability Scale and the Net Promoter Score. Results During the initial user testing phase, participants (N=7) from representative disciplines easily completed associated tasks, and had very positive feedback with respect to the usability of the application. The System Usability Scale score during this phase was 91.4. Suggestions from feedback were incorporated into the application. During the larger field trial phase, participants (total N=55; activated account n=17; did not activate account n=38) were given access to the iGeriCare education prescription application. During this period, 2 participants created educational prescriptions; a total of 3 educational prescriptions were sent. Survey completers who did not activate their account (n=5) identified that their lack of use was due to time constraints, competing priorities, or forgetting to use the application. Survey completers who activated their account (n=5) identified their lower use was due to lack of time, lack of eligible family/friend caregivers during trial period, and competing priorities due to the COVID-19 pandemic. The System Usability Scale score during this phase was 78.75, and the Net Promoter Score was 50. Conclusions Study findings indicate a generally positive response for the usability of a web-based application for clinicians to prescribe dementia education to family/friend caregivers. The dissonance between the promising data and widespread enthusiasm for the design and purpose of the education prescription application found in the initial user testing phase and subsequent lack of significant adoption in the field trial represents both an important lesson for other novel health technologies and a potential area for further investigation. Further research is required to better understand factors associated with implementation of this type of intervention and impact on dissemination of education to family/friend caregivers.
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Tokophobia and fear of birth: a workshop consensus statement on current issues and recommendations for future research. J Reprod Infant Psychol 2020; 39:2-15. [PMID: 33206580 DOI: 10.1080/02646838.2020.1843908] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Objective: To discuss and develop a statement on the current state of the evidence and opinion in Fear of Childbirth (FoC) and Tokophobia (Tocophobia), and to provide recommendations. Background: A group met in 2019 to discuss the state of clinical and academic knowledge relating to FoC/Tokophobia. Five key areas were agreed as the focus of the meeting. Methods: 12 internationally acknowledged experts, in this or a closely related area (e.g. PTSD) met to discuss their understanding of the evidence for FoC/ Tokophobia and current practice. The consensus described in this paper constitutes the expression of the general opinion of the participants and does not necessarily imply unanimity. Keys points: Work focussed on tokophobia is recent and there remains a wide range of issues, which were addressed in the workshop including complexity in defining prevalence, a theoretical lack of understanding, which creates challenge for robust assessment and the identification of risk factors. An improved aetiological and developmental understanding of the tokophobia is required to underpin appropriate, effective and evidence-based interventions. Evaluation of pathways of care and relevant interventions, should be a focus of future research. Conclusion: Significant gaps remain within the FoC/tokophobia knowledge base. Further research is necessary.
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Barriers and Facilitators to Implementing Web-Based Dementia Caregiver Education From the Clinician's Perspective: Qualitative Study. JMIR Aging 2020; 3:e21264. [PMID: 33006563 PMCID: PMC7568210 DOI: 10.2196/21264] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 08/14/2020] [Accepted: 09/04/2020] [Indexed: 12/11/2022] Open
Abstract
Background Internet-based dementia caregiver interventions have been shown to be effective for a range of caregiver outcomes; however, little is known about how to best implement them. We developed iGeriCare, an evidence-based, multimedia, web-based educational resource for family caregivers of people living with dementia. Objective This study aims to obtain feedback and opinions from experts and clinicians involved in dementia care and caregiver education about 1 iGeriCare and 2 barriers and facilitators to implementing a web-based caregiver program. Methods We carried out semistructured interviews with individuals who had a role in dementia care and/or caregiver education in several key stakeholder settings in Southern Ontario, Canada. We queried participants’ perceptions of iGeriCare, caregiver education, the implementation process, and their experience with facilitators and barriers. Transcripts were coded and analyzed using a grounded theory approach. The themes that emerged were organized using the Consolidated Framework for Implementation Research. Results A total of 12 participants from a range of disciplines described their perceptions of iGeriCare and identified barriers and facilitators to the implementation of the intervention. The intervention was generally perceived as a high-quality resource for caregiver education and support, with many stakeholders highlighting the relative advantage of a web-based format. The intervention was seen to meet dementia caregiver needs, partially because of its flexibility, accessibility, and compatibility within existing clinical workflows. In addition, the intervention helps to overcome time constraints for both caregivers and clinicians. Conclusions Study findings indicate a generally positive response to the use of internet-based interventions for dementia caregiver education. Results suggest that iGeriCare may be a useful clinical resource to complement traditional face-to-face and print material–based caregiver education. More comprehensive studies are required to identify the effectiveness and longevity of web-based caregiver education interventions and to better understand barriers and facilitators with regard to the implementation of technology-enhanced caregiver educational interventions in various health care settings.
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Familial Acculturative Stress and Adolescent Internalizing and Externalizing Behaviors in Latinx Immigrant Families of the Southwest. J Immigr Minor Health 2020; 22:1193-1199. [PMID: 32930918 DOI: 10.1007/s10903-020-01084-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/05/2020] [Indexed: 11/28/2022]
Abstract
Experiencing acculturative stress burdens Latinx families in a variety of negative and deleterious ways. Using the Family Stress Model, this study aims to explore the patterns and experiences of acculturative stress in Latinx families, and how these experiences related to Latinx adolescent internalizing and externalizing behaviors. Data came from baseline reports of three cohorts of parent-youth dyads (n = 532) participating in a longitudinal randomized control effectiveness trial testing a parenting intervention in southwestern U.S. area. Findings indicate that youth exhibited more depressive symptomology when both parent and child reported higher acculturative stress. While youths' anti-social behaviors were only associated with their own acculturative stress and not their parents' acculturative stress levels. This study advances new knowledge about the relationship between acculturative stress and youth behaviors, and provides recommendations for developing future interventions with Latinx youth to prevent the onset of internalizing and externalizing behaviors.
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A meta-synthesis of women's experiences of online forums for maternal mental illness and stigma. Arch Womens Ment Health 2020; 23:507-515. [PMID: 31646392 DOI: 10.1007/s00737-019-01002-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 09/11/2019] [Indexed: 11/24/2022]
Abstract
Perinatal mental illness affects 15% of women; however, only half of these women access treatment. Some women with untreated perinatal mental illness may continue to suffer with mental illness after the perinatal period. Evidence suggests that one barrier to accessing treatment is stigma. Forums may provide an acceptable place for women to converse about the stigmatised symptoms of maternal mental illness. Reducing stigma may increase treatment uptake. This study aimed to review and synthesise the qualitative research on maternal mental illness forums and stigma so that stigma can be addressed and treatment improved. A meta-synthesis was conducted to describe and interpret qualitative studies regarding forum use and maternal mental illness stigma. A systematic search of seven electronic databases and Google Scholar was performed. Additional references were collected through screening references of the identified studies. Five studies were identified that reported women's experiences of online forums for maternal mental illness and stigma. The synthesis identified four key themes: (1) a safe place to talk; (2) virtual support; (3) stigma and identity; and (4) repair of the mother identity. Stigma maybe reduced by forum discourse that reconceptualises what is to be a "good mother" and separates stigma and maternal identity. This synthesis provides a novel and more detailed framework for the stigma of maternal mental illness and forum use. This suggests forums may enable women to explore their dual identity and repair their maternal identity, and this may reduce stigma. Healthcare providers could discuss forum use with their clients.
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Discrepancies between Parents’ and Adolescents’ Perceptions of Family Meal Habits. Curr Dev Nutr 2020. [DOI: 10.1093/cdn/nzaa043_027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Objectives
The purpose of this study was to determine how closely parents and their adolescent children self-report family meal habits specific to types of food served and technology use.
Methods
Dyads (n = 100) of one parent (40.0 ± 7.1 years; 92.1% female) and one 6th-8th grade adolescent child (12.5 ± 0.9 years; 41.3% female) from primarily Hispanic families were recruited through middle schools in a Southwestern US metropolitan area. Parents and adolescents each completed surveys to self-report types of foods typically served at dinner (vegetables, 100% fruit juice, other fruit, milk, and sugar-sweetened beverages) and technology use allowed (television watching, use of hand-held games, talking on the phone, texting, listening to music with headphones) during family meals using identical questions. Answer choices were Never = 1, Sometimes = 2, Usually = 3, or Always = 4. Parents’ responses were compared to those of adolescents using paired samples T-tests.
Results
Relative to adolescent responses, parents reported greater family mealtime offering of vegetables (2.5 ± 0.9 vs. 1.8 ± 0.7), 100% fruit juice (2.0 ± 0.9 vs. 1.3 ± 1.0), other fruit (2.4 ± 1.0 vs. 1.3 ± 1.0), milk (2.9 ± 1.0 vs. 1.0 ± 1.0), and sugar-sweetened beverages (2.1 ± 0.8 vs 1.2 ± 0.9; P < 0.0001 for all). Parents also reported greater television watching (2.1 ± 0.9 vs. 1.2 ± 0.1), use of hand-held games (1.6 ± 0.9 vs. 0.8 ± 0.1), talking on the phone (1.7 ± 1.0 vs. 0.6 ± 0.9), texting (1.7 ± 1.0 vs. 0.7 ± 1.0), and listening to music with headphones (1.7 ± 1.0 vs. 0.8 ± 1.0; P < 0.0001 for all) than their adolescent children.
Conclusions
Parents consistently reported offering vegetables, 100% fruit juice, other fruit, milk and sugar-sweetened beverages during family meals more frequently than reported by their adolescent children. Similarly, parents reported more permissive family meals regarding technology use. Further research is needed to better understand these discrepancies in how parents and their adolescent children perceive family meals, and to explore whether perceptions of family meals are associated with dietary quality in Hispanic families.
Funding Sources
Funded by the National Institute on Minority Health and Health Disparities and by the Health Resources and Services Administration of the U.S. Department of Health and Human Services as part of a Maternal Child Health Bureau Nutrition Training Grant.
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Methods and rationale to assess the efficacy of a parenting intervention targeting diet improvement and substance use prevention among Latinx adolescents. Contemp Clin Trials 2020; 89:105914. [PMID: 31843638 PMCID: PMC7242150 DOI: 10.1016/j.cct.2019.105914] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 11/27/2019] [Accepted: 12/10/2019] [Indexed: 10/25/2022]
Abstract
Latinx adolescents are at higher risk for chronic diseases relative to adolescents of other ethnic groups, in part because of their lack of adherence to diet recommendations and their higher rates of substance use. Given the proximal influence of family factors during the developmental stage of adolescence, parenting interventions may be an effective way to promote healthy nutrition and substance use prevention simultaneously. This article describes the design and theoretical rationale of a study assessing the effects of Families Preparing the New Generation Plus (FPNG Plus), a 10-week culturally-tailored nutrition and substance use prevention parenting program, on diet and substance use outcomes among Latinx middle school students (6th-8th grade). The 3-arm cluster randomized controlled trial compares FPNG Plus (substance use prevention and healthy nutrition), FPNG (substance use prevention only), and a comparison condition (focusing on academic success) in 1494 parent-child dyads from 18 schools, randomized at the school level. Adolescents and parents will complete surveys pre- and post-intervention, and 16-weeks after program participation, regarding diet behaviors, substance use, and parenting practices. A random subsample of 126 dyads (42 from each program), will participate in additional data collection to assess the home food environment, detailed dietary intake (via two 24-h recalls), and provide biomarkers of cardiometabolic risk (blood pressure, total cholesterol and HbA1c). If successful, this study will provide evidence contributing to helping Latinx parents assist their adolescent children develop and maintain long-lasting positive lifestyle behaviors in order to prevent concurrent substance use and diet-related chronic diseases.
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Relative Effectiveness of Selenite Cystine Broth, Tetrathionate Broth, and Rappaport-Vassiliadis Medium for Recovery of Salmonella spp. from Raw Flesh, Highly Contaminated Foods, and Poultry Feed: Collaborative Study. J AOAC Int 2020. [DOI: 10.1093/jaoac/79.6.1307] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
A collaborative study was performed in 18 laboratories to validate use of Rappaport-Vassiliadis (RV) medium in the standard culture method for recovery of Salmonella spp. from raw, highly contaminated foods and poultry feed. RV medium made from its individual ingredients and incubated at 42�C was compared with selenite cystine (SC) broth incubated at 35�C and tetrathionate (TT) broth incubated at 35� and 43�C for effectiveness in recovery of Salmonella spp. Four artificially contaminated foods (oysters, frog legs, mushrooms, and shrimp) and poultry feed and one naturally contaminated food (chicken) were analyzed. The artificially contaminated foods were inoculated with single serovars of Salmonella at target levels of 0.04 colony-forming units (CFU)/g for the low level and 0.4 CFU/g for the high level. For analysis of 1125 test portions, RV medium (42�C) recovered Salmonellairom 409 test portions; TT (43�C), from 368 test portions; TT (35�C), from 310 test portions; and SC (35�C), from 334 test portions. Overall, RV medium was comparable with or better than other selective enrichments for recovery of Salmonella from the foods in this study, except mushrooms. From mushrooms, SC broth (35�C) recovered more positive test portions than did RV medium (42�C) and TT broth (43�C). The method for detection of Salmonella in raw, highly contaminated foods and
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Calibration of proton dispersion for the NIF electron positron proton spectrometer (NEPPS) for short-pulse laser experiments on the NIF ARC. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2018; 89:10I145. [PMID: 30399771 DOI: 10.1063/1.5039388] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 07/08/2018] [Indexed: 06/08/2023]
Abstract
Experiments using the Advanced Radiographic Capability (ARC) laser at the National Ignition Facility (NIF) aim to characterize short-pulse-driven proton beams for use as both probes and drivers for high-energy-density physics experiments. Measurements of ARC-driven proton beam characteristics, such as energy spectrum and conversion efficiency, rely on the NIF Electron Positron Proton Spectrometer (NEPPS). The NEPPS diagnostic is a version of an existing particle spectrometer which is used for detecting MeV electron and positron spectra via permanent magnetic field dispersion. These spectrometers have not yet been calibrated for protons and instead use an analytical calculation to estimate the dispersion. Small variations in the field uniformity can affect the proton dispersion due to the relatively small resolving power (E/dE) for this diagnostic. A broadband energy, laser-accelerated proton source was produced at the Titan laser to experimentally calibrate the proton dispersion. These experimental data were used to test the theoretical dispersion. Numerical simulations using measurements of the magnetic field variation within the diagnostic were used to obtain a realistic proton dispersion curve for the new NEPPS units. This procedure for obtaining each independent dispersion is applicable to all EPPS and NEPPS diagnostics, given the axial magnetic field profile.
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Improving Anatomic Pathology in Sub-Saharan Africa to Support Cancer Care. Am J Clin Pathol 2018; 149:310-315. [PMID: 29471457 DOI: 10.1093/ajcp/aqx158] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVES Cancer care requires both accurate pathologic diagnosis as well as pathologic cancer staging. We evaluated three approaches to training pathologists in sub-Saharan Africa to perform pathologic cancer staging of breast, cervix, prostate, and colorectal cancers. METHODS One of three training methods was used at each workshop: didactic, case-based testing (CBT), or a blended approach. The project involved 52 participants from 16 pathology departments in 11 countries in East, Central, and Southern Africa. Evaluation of each method included pre- and postworkshop knowledge assessments, online pre- and postworkshop surveys of practice changes at the individual and institutional levels, and selected site visits. RESULTS While CBT resulted in the highest overall average postassessment individual scores, both CBT and blended approaches resulted in 19% increases in average scores from pre- to postworkshop assessments. Institutions that participated in the blended workshop had increased changes in practice as indicated by the institutional survey. CONCLUSIONS Both CBT and a blended approach are effective methods for training pathologists in pathologic cancer staging. Both are superior to traditional lectures alone.
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The impact of childbirth-related post-traumatic stress on a couple's relationship: a systematic review and meta-synthesis. J Reprod Infant Psychol 2017. [PMID: 29517303 DOI: 10.1080/02646838.2017.1397270] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
OBJECTIVE This review aimed to identify the impact of childbirth-related post-traumatic stress disorder (PTSD) or symptoms (PTSS) on a couple's relationship. BACKGROUND Childbirth can be psychologically traumatic and can lead to PTSD. There is emerging evidence that experiencing a traumatic birth can affect the quality of the couple's relationship. This is an important issue because poor-quality relationships can impact on the well-being of partners, their parenting and the welfare of the infant. METHODS A systematic search was conducted of Amed, CENTRAL, Cinahl, Embase, Maternity and Infant Care, Medline, MITCognet, POPLINE, PsycARTICLES, PsycBITE, PsycINFO, Pubmed and Science Direct. Additionally, grey literature, citation and reference searches were conducted. Papers were eligible for inclusion if they reported qualitative data about parents who had experienced childbirth and measures of PTSD or PTSS and the relationship were taken. Analysis was conducted using meta-ethnography. RESULTS Seven studies were included in the meta-synthesis. Results showed that childbirth-related PTSD or PTSS can have a perceived impact on the couple's relationship and five themes were identified: negative emotions; lack of understanding and support; loss of intimacy; strain on the relationship; and strengthened relationships. A model of proposed interaction between these themes is presented. CONCLUSIONS The impact of childbirth-related PTSD or PTSS on the couple's relationships is complex. As the quality of the couple relationship is important to family well-being, it is important that healthcare professionals are aware of the impact of experiencing psychologically traumatic childbirth as impetus for prevention and support.
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Creation and pilot testing of cases for case-based learning: A pedagogical approach for pathology cancer diagnosis. Afr J Lab Med 2017; 6:637. [PMID: 29147646 PMCID: PMC5680453 DOI: 10.4102/ajlm.v6i1.637] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Accepted: 06/21/2017] [Indexed: 01/19/2023] Open
Abstract
Background Case-based learning (CBL) is an established pedagogical active learning method used in various disciplines and defined based on the field of study and type of case. The utility of CBL for teaching specific aspects of cancer diagnosis to practising pathologists has not been previously studied in sub-Saharan Africa. Objectives We aimed to pilot test standardised cancer cases on a group of practising pathologists in sub-Saharan Africa to evaluate case content, clarity of questions and delivery of content. Methods Expert faculty created cases for the four most commonly diagnosed cancers. The format included mini-cases and bullet cases which were all open-ended. The questions dealt with interpretation of clinical information, gross specimen examination, morphologic characteristics of tumours, ancillary testing, reporting and appropriate communication to clinicians. Results Cases on breast, cervical, prostate and colorectal cancers were tested on seven practising pathologists. Each case took an average of 45–90 min to complete. Questions that were particularly challenging to testers were on:
Specimens they should have been but for some reason were not exposed to in routine practice. Ancillary testing and appropriate tumour staging.
New knowledge gained included tumour grading and assessment of radial margins. Revisions to cases were made based on testers’ feedback, which included rewording of questions to reduce ambiguity and adding of tables to clarify concepts. Conclusion Cases were created for CBL in Kenya, but these are applicable elsewhere in Africa and beyond to teach cancer diagnosis. The pilot testing of cases prepared faculty for the actual CBL course and feedback provided by the testers assisted in improving the questions and impact on day-to-day practice.
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Acculturation Profiles and Associations With Parenting Among Immigrant Latinos. HISPANIC JOURNAL OF BEHAVIORAL SCIENCES 2017. [DOI: 10.1177/0739986317725509] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Acculturation and accompanying acculturative stress affects the parenting practices of Latino immigrants. We (a) examine acculturation profiles based on heritage culture orientation, mainstream culture orientation, familismo, and acculturative stress; (b) describe how social support informs Latinos’ acculturation profiles; and (c) test how these acculturation profiles are associated with parenting behaviors (including parental involvement, monitoring, agency, and discipline self-efficacy) and family conflict. A three-step latent profile analysis revealed five profiles of acculturation: Cultural Individualism ( n = 168, 15%), Cultural Engagement ( n = 810, 71.3%), Cultural Assimilation ( n = 47, 4.3%), Cultural Disengagement ( n = 23, 2.1%), and Cultural Stress ( n = 77, 7.3%). Social support predicted the Cultural Engagement profile, which was associated with positive parenting behaviors and family functioning. The Cultural Stress profile was associated with detrimental parenting behaviors and family conflict. Recommendations include family interventions that effectively support and strengthen culturally competent coping strategies in response to acculturative stress as a means to promote positive parenting practices.
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Improving Anatomic Pathology in Sub-Saharan Africa to Support Cancer
Care. Ann Glob Health 2017. [DOI: 10.1016/j.aogh.2017.03.264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Preventing diabetes in obese Latino youth with prediabetes: a study protocol for a randomized controlled trial. BMC Public Health 2017; 17:261. [PMID: 28302101 PMCID: PMC5353870 DOI: 10.1186/s12889-017-4174-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Accepted: 03/04/2017] [Indexed: 12/12/2022] Open
Abstract
Background Obese Latino adolescents are disproportionately impacted by insulin resistance and type 2 diabetes. Prediabetes is an intermediate stage in the pathogenesis of type 2 diabetes and represents a critical opportunity for intervention. However, to date, no diabetes prevention studies have been conducted in obese Latino youth with prediabetes, a highly vulnerable and underserved group. Therefore, we propose a randomized-controlled trial to test the short-term (6-month) and long-term (12-month) efficacy of a culturally-grounded, lifestyle intervention, as compared to usual care, for improving glucose tolerance and reducing diabetes risk in 120 obese Latino adolescents with prediabetes. Methods Participants will be randomized to a lifestyle intervention or usual care group. Participants in the intervention group will attend weekly nutrition and wellness sessions and physical activity sessions twice a week for six months, followed by three months of booster sessions. The overall approach of the intervention is framed within a multilevel Ecodevelopmental model that leverages community, family, peer, and individual factors during the critical transition period of adolescence. The intervention is also guided by Social Cognitive Theory and employs key behavioral modification strategies to enhance self-efficacy and foster social support for making and sustaining healthy behavior changes. We will test intervention effects on quality of life, explore the potential mediating effects of changes in body composition, total, regional, and organ fat on improving glucose tolerance and increasing insulin sensitivity, and estimate the initial incremental cost effectiveness of the intervention as compared with usual care for improving glucose tolerance. Discussion The proposed trial builds upon extant collaborations of a transdisciplinary team of investigators working in concert with local community agencies to address critical gaps in how diabetes prevention interventions for obese Latino youth are developed, implemented and evaluated. This innovative approach is an essential step in the development of scalable, cost-effective, solution oriented programs to prevent type 2 diabetes in this and other populations of high-risk youth. Trial Registration NCT02615353, registered on June 8, 2016.
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Preventing diabetes in obese Latino youth with prediabetes: a study protocol for a randomized controlled trial. BMC Public Health 2017. [PMID: 28302101 DOI: 10.1186/s12889‐017‐4174‐2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Obese Latino adolescents are disproportionately impacted by insulin resistance and type 2 diabetes. Prediabetes is an intermediate stage in the pathogenesis of type 2 diabetes and represents a critical opportunity for intervention. However, to date, no diabetes prevention studies have been conducted in obese Latino youth with prediabetes, a highly vulnerable and underserved group. Therefore, we propose a randomized-controlled trial to test the short-term (6-month) and long-term (12-month) efficacy of a culturally-grounded, lifestyle intervention, as compared to usual care, for improving glucose tolerance and reducing diabetes risk in 120 obese Latino adolescents with prediabetes. METHODS Participants will be randomized to a lifestyle intervention or usual care group. Participants in the intervention group will attend weekly nutrition and wellness sessions and physical activity sessions twice a week for six months, followed by three months of booster sessions. The overall approach of the intervention is framed within a multilevel Ecodevelopmental model that leverages community, family, peer, and individual factors during the critical transition period of adolescence. The intervention is also guided by Social Cognitive Theory and employs key behavioral modification strategies to enhance self-efficacy and foster social support for making and sustaining healthy behavior changes. We will test intervention effects on quality of life, explore the potential mediating effects of changes in body composition, total, regional, and organ fat on improving glucose tolerance and increasing insulin sensitivity, and estimate the initial incremental cost effectiveness of the intervention as compared with usual care for improving glucose tolerance. DISCUSSION The proposed trial builds upon extant collaborations of a transdisciplinary team of investigators working in concert with local community agencies to address critical gaps in how diabetes prevention interventions for obese Latino youth are developed, implemented and evaluated. This innovative approach is an essential step in the development of scalable, cost-effective, solution oriented programs to prevent type 2 diabetes in this and other populations of high-risk youth. TRIAL REGISTRATION NCT02615353, registered on June 8, 2016.
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Auswirkungen postpartaler posttraumatischer Belastungsstörungen auf die Entwicklung des Kindes: eine populationsbasierte 2-Jahres-Follow-up-Studie. Geburtshilfe Frauenheilkd 2017. [DOI: 10.1055/s-0037-1598129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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The impact of postpartum post-traumatic stress disorder symptoms on child development: a population-based, 2-year follow-up study. Psychol Med 2017; 47:161-170. [PMID: 27682188 DOI: 10.1017/s003329171600235x] [Citation(s) in RCA: 86] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Against the background of very limited evidence, the present study aimed to prospectively examine the impact of maternal postpartum post-traumatic stress disorder (PTSD) symptoms on four important areas of child development, i.e. gross motor, fine motor, communication and social-emotional development. METHOD This study is part of the large, population-based Akershus Birth Cohort. Data from the hospital's birth record as well as questionnaire data from 8 weeks and 2 years postpartum were used (n = 1472). The domains of child development that were significantly correlated with PTSD symptoms were entered into regression analyses. Interaction analyses were run to test whether the influence of postpartum PTSD symptoms on child development was moderated by child sex or infant temperament. RESULTS Postpartum PTSD symptoms had a prospective relationship with poor child social-emotional development 2 years later. This relationship remained significant even when adjusting for confounders such as maternal depression and anxiety or infant temperament. Both child sex and infant temperament moderated the association between maternal PTSD symptoms and child social-emotional development, i.e. with increasing maternal PTSD symptom load, boys and children with a difficult temperament were shown to have comparatively higher levels of social-emotional problems. CONCLUSIONS Examining four different domains of child development, we found a prospective impact of postpartum PTSD symptoms on children's social-emotional development at 2 years of age. Our findings suggest that both boys and children with an early difficult temperament may be particularly susceptible to the adverse impact of postpartum PTSD symptoms. Additional studies are needed to further investigate the mechanisms at work.
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Development of a high resolution x-ray spectrometer for the National Ignition Facility (NIF). THE REVIEW OF SCIENTIFIC INSTRUMENTS 2016; 87:11E344. [PMID: 27910374 DOI: 10.1063/1.4962053] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A high resolution (E/ΔE = 1200-1800) Bragg crystal x-ray spectrometer is being developed to measure plasma parameters in National Ignition Facility experiments. The instrument will be a diagnostic instrument manipulator positioned cassette designed mainly to infer electron density in compressed capsules from Stark broadening of the helium-β (1s2-1s3p) lines of krypton and electron temperature from the relative intensities of dielectronic satellites. Two conically shaped crystals will diffract and focus (1) the Kr Heβ complex and (2) the Heα (1s2-1s2p) and Lyα (1s-2p) complexes onto a streak camera photocathode for time resolved measurement, and a third cylindrical or conical crystal will focus the full Heα to Heβ spectral range onto an image plate to provide a time integrated calibration spectrum. Calculations of source x-ray intensity, spectrometer throughput, and spectral resolution are presented. Details of the conical-crystal focusing properties as well as the status of the instrumental design are also presented.
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Abstract
There is evidence that 3.17% of women report post-traumatic stress disorder (PTSD) after childbirth. This meta-analysis synthesizes research on vulnerability and risk factors for birth-related PTSD and refines a diathesis-stress model of its aetiology. Systematic searches were carried out on PsycINFO, PubMed, Scopus and Web of Science using PTSD terms crossed with childbirth terms. Studies were included if they reported primary research that examined factors associated with birth-related PTSD measured at least 1 month after birth. In all, 50 studies (n = 21 429) from 15 countries fulfilled inclusion criteria. Pre-birth vulnerability factors most strongly associated with PTSD were depression in pregnancy (r = 0.51), fear of childbirth (r = 0.41), poor health or complications in pregnancy (r = 0.38), and a history of PTSD (r = 0.39) and counselling for pregnancy or birth (r = 0.32). Risk factors in birth most strongly associated with PTSD were negative subjective birth experiences (r = 0.59), having an operative birth (assisted vaginal or caesarean, r = 0.48), lack of support (r = -0.38) and dissociation (r = 0.32). After birth, PTSD was associated with poor coping and stress (r = 0.30), and was highly co-morbid with depression (r = 0.60). Moderator analyses showed that the effect of poor health or complications in pregnancy was more apparent in high-risk samples. The results of this meta-analysis are used to update a diathesis-stress model of the aetiology of postpartum PTSD and can be used to inform screening, prevention and intervention in maternity care.
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Commissioning of a frequency-resolved optical gating system at the OMEGA EP laser facility: SpecFROG. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2015; 86:093501. [PMID: 26429437 DOI: 10.1063/1.4929868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
We present the design and commissioning of a new single-shot, frequency-resolved optical gating system on the OMEGA EP laser facility - dubbed "SpecFROG" - for characterizing the instantaneous intensity and phase of ∼10 ps pulses used to study ultra-intense laser-plasma interactions. A polarization-gating geometry is employed to ensure tha the diagnostic is broadband and has unambiguous time directionality. SpecFROG is capable of characterizing ∼10 s of mJ pulses with durations between 0.5-25 ps with ≲285 fs geometrical temporal blurring and ∼0.1% spectral shift resolutions over an adjustable total spectral shifting window of ∼15% of the carrier wavelength λo; configurations currently exist for both the fundamental (1ω, λo = 1.054 μm) and second harmonic (2ω, λo = 0.527 μm) of the EP pulse. Initial specular reflectivity measurements of the ∼1 kJ, ∼10 ps OMEGA EP laser off solid density aluminum targets suggest drastically different scalings for specular pulse properties compared to picosecond-scale pulses of comparable intensities.
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Unintended Effects of an Intervention Supporting Mexican-Heritage Youth: Decreased Parent Heavy Drinking. RESEARCH ON SOCIAL WORK PRACTICE 2015; 25:181-189. [PMID: 25755619 PMCID: PMC4351785 DOI: 10.1177/1049731514524030] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
OBJECTIVE To assess the impact of a parenting intervention, Familias: Preparando la Nueva Generación (FPNG), intended to support children, on parents heavy drinking. We hypothesized that parent participants of FPNG would reduce their heavy drinking at 1-year follow-up. METHODS Parents (N = 281) of middle school children from a large, low-income metropolitan area in the Southwest United States participated in a randomized control trial over 2 years. RESULTS A logistic regression analysis using the maximum likelihood test determined that at Wave 3, parents receiving FPNG reduced heavy drinking behaviors compared to parents in the youth-only condition (odds ratio = .86, p < .05). CONCLUSIONS Participating in the parenting program can effectively curb heavy drinking behaviors in parents-an important mechanism through which one may expect changes in youth risk behavior. The practice, policy, and research implications of these unintended findings are promising to the overall effectiveness of a parenting intervention for Mexican-heritage families.
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The power of a paired t-test with a covariate. SOCIAL SCIENCE RESEARCH 2015; 50:277-91. [PMID: 25592936 PMCID: PMC4297322 DOI: 10.1016/j.ssresearch.2014.12.004] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Revised: 11/24/2014] [Accepted: 12/05/2014] [Indexed: 05/03/2023]
Abstract
Many researchers employ the paired t-test to evaluate the mean difference between matched data points. Unfortunately, in many cases this test in inefficient. This paper reviews how to increase the precision of this test through using the mean centered independent variable x, which is familiar to researchers that use analysis of covariance (ANCOVA). We add to the literature by demonstrating how to employ these gains in efficiency as a factor for use in finding the statistical power of the test. The key parameters for this factor are the correlation between the two measures and the variance ratio of the dependent measure on the predictor. The paper then demonstrates how to compute the gains in efficiency a priori to amend the power computations for the traditional paired t-test. We include an example analysis from a recent intervention, Families Preparing the New Generation (Familias Preparando la Nueva Generación). Finally, we conclude with an analysis of extant data to derive reasonable parameter values.
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A Latent Profile Analysis of Latino Parenting: The Infusion of Cultural Values on Family Conflict. FAMILIES IN SOCIETY : THE JOURNAL OF CONTEMPORARY HUMAN SERVICES 2015; 96:203-210. [PMID: 26966343 PMCID: PMC4782981 DOI: 10.1606/1044-3894.2015.96.25] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The purpose of the present study was to (a) examine how acculturation and social support inform Latinos' parenting behaviors, controlling for gender and education; (b) describe parenting styles among Latino immigrants while accounting for cultural elements; and (c) test how these parenting styles are associated with family conflict. A 3 step latent profile analysis with the sample (N = 489) revealed best fit with a 4 profile model (n = 410) of parenting: family parenting (n = 268, 65%), child-centered parenting (n = 68, 17%), moderate parenting (n = 60, 15%), and disciplinarian parenting (n = 14, 3%). Parents' gender, acculturation, and social support significantly predicted profile membership. Disciplinarian and moderate parenting were associated with more family conflict. Recommendations include integrating culturally based parenting practices as a critical element to family interventions to minimize conflict and promote positive youth development.
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The NIF x-ray spectrometer calibration campaign at Omega. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2014; 85:11D613. [PMID: 25430189 DOI: 10.1063/1.4891054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The calibration campaign of the National Ignition Facility X-ray Spectrometer (NXS) was carried out at the Omega laser facility. Spherically symmetric, laser-driven, millimeter-scale x-ray sources of K-shell and L-shell emission from various mid-Z elements were designed for the 2-18 keV energy range of the NXS. The absolute spectral brightness was measured by two calibrated spectrometers. We compare the measured performance of the target design to radiation hydrodynamics simulations.
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A magnetic particle time-of-flight (MagPTOF) diagnostic for measurements of shock- and compression-bang time at the NIF (invited). THE REVIEW OF SCIENTIFIC INSTRUMENTS 2014; 85:11D901. [PMID: 25430279 DOI: 10.1063/1.4886775] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A magnetic particle time-of-flight (MagPTOF) diagnostic has been designed to measure shock- and compression-bang time using D(3)He-fusion protons and DD-fusion neutrons, respectively, at the National Ignition Facility (NIF). This capability, in combination with shock-burn weighted areal density measurements, will significantly constrain the modeling of the implosion dynamics. This design is an upgrade to the existing particle time-of-flight (pTOF) diagnostic, which records bang times using DD or DT neutrons with an accuracy better than ±70 ps [H. G. Rinderknecht et al., Rev. Sci. Instrum. 83, 10D902 (2012)]. The inclusion of a deflecting magnet will increase D(3)He-proton signal-to-background by a factor of 1000, allowing for the first time simultaneous measurements of shock- and compression-bang times in D(3)He-filled surrogate implosions at the NIF.
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Measuring parents' experiences and satisfaction with care during very preterm birth: a questionnaire development study. BJOG 2014; 121:1294-301. [PMID: 24953082 PMCID: PMC4282037 DOI: 10.1111/1471-0528.12925] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/06/2014] [Indexed: 11/27/2022]
Abstract
Objective To develop a questionnaire to assess parents' experiences and satisfaction with care during very preterm birth. Design Questionnaire development. Setting Parents whose babies had been cared for at five tertiary neonatal units in England. Population A total of 145 women who gave birth before 32 weeks of gestation, and 85 of their partners. Methods A 30-item questionnaire was developed on the basis of qualitative interviews with parents of very preterm babies, a literature review and discussion with relevant experts. The questionnaire was posted to a second group of parents, and its reliability and validity were explored. Main outcome measures The Preterm Birth Experience and Satisfaction Scale (P-BESS) was correlated with two global questions measuring satisfaction with care during the birth. Internal consistency was measured using Cronbach's α. Results Parents of 458 babies were invited to take part and 147 (32%) responded. Two women and 22 partners were excluded or ineligible, leaving 145 women and 85 partners. Factor analysis produced three clear dimensions: Staff professionalism and empathy, Information and explanations, and Confidence in staff. The total scale and three subscales showed high reliability. Strong positive correlations were found between the questionnaire scales and the two global questions, indicating convergent validity. For women whose partners were present at the birth, a fourth factor was identified ‘Partner Involvement’. Conclusions The P-BESS appears to be a valid measure of satisfaction with care during very preterm birth.
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Birth Outcomes of Patients Enrolled in "Familias Sanas" Research project. RESEARCH IN THE SOCIOLOGY OF HEALTH CARE 2014; 31:143-159. [PMID: 29046596 PMCID: PMC5642936 DOI: 10.1108/s0275-4959(2013)0000031009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
PURPOSE This chapter examines birth outcomes of patients enrolled in Familias Sanas (Healthy Families), an educational intervention designed to reduce health disadvantages of low-income, immigrant Latvia mothers by providing social support during and after pregnancy. METHODOLOGY/APPROACH Using a randomized control-group design, the project recruited 440 pregnant Latina women, 88% of whom were first generation. Birth outcomes were collected through medical charts and analyzed using regression analysis to evaluate if there were any differences between patients enrolled in Familias Sanas compared to those patients who followed a typical prenatal course. FINDINGS Control and intervention groups were found to be similar with regard to demographic characteristics. In addition, we did not observe a decrease in rate of a number of common pregnancy-related complications. Likewise, rates of operative delivery were similar between the two groups as were fetal weight at delivery and use of regional anesthesia at delivery. RESEARCH LIMITATIONS/IMPLICATIONS The lack of improvements in birth outcomes for this study was perhaps because this social support intervention was not significant enough to override long-standing stressors such as socioeconomic status, poor nutrition, genetics, and other environmental stressors. ORIGINALITY/VALUE OF CHAPTER This study was set in an inner-city, urban hospital with a large percentage of patients being of Hispanic descent. The study itself is a randomized controlled clinical trial, and data were collected directly from electronic medical records by physicians.
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Parents' experiences and satisfaction with care during the birth of their very preterm baby: a qualitative study. BJOG 2013; 120:637-43. [PMID: 23289929 PMCID: PMC3613739 DOI: 10.1111/1471-0528.12104] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/26/2012] [Indexed: 11/29/2022]
Abstract
Objective To assess parents' experiences and satisfaction with care during very preterm birth and to identify domains associated with positive and negative experiences of care. Design Qualitative study using semi-structured interviews. Setting Three neonatal units in tertiary care hospitals in South-East England. Population Thirty-two mothers and seven fathers who had a baby born before 32 weeks of gestation and spoke English well. Methods Semi-structured interviews were conducted. Results were analysed using thematic analysis. Main outcome measures Participants' experiences and satisfaction with care during the birth of their preterm baby. Results Overall, 80% of participants were extremely satisfied with the care during the birth of their preterm baby, seven were generally satisfied but felt some things could be improved and one was dissatisfied. Four key determinants of experiences of care were identified: staff professionalism, which included information and explanation, being calm in a crisis, appearing confident and in control, and conversely not listening to the woman; staff empathy, which included caring and emotional support, and encouragement and reassurance; involvement of the father; and birth environment. Conclusions Although the determinants of experiences of care are generally consistent with previous research on term births, unique factors to preterm birth were identified. These were the importance of the staff appearing calm during the birth, and the staff portraying confidence and taking control during the birth. Women valued being listened to, and both they and their partners valued staff helping fathers to feel involved during the birth.
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