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Yao L, Ngai CSB, Singh RG, Chen F. Social Media Users' Engagement with Fear Appeal Elements in Government's Health Crisis Communication via State-Owned Media. JOURNAL OF HEALTH COMMUNICATION 2024; 29:524-537. [PMID: 39021348 DOI: 10.1080/10810730.2024.2378338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/20/2024]
Abstract
Government health messaging is significant to the containment of public health crises. Such communication may benefit from using fear appeal, a message strategy for promoting health and preventing diseases. Yet little scholarly attention has been paid to how fear appeal is employed in government messaging to promote social media engagement through online actions including likes, shares, and comments. These actions play a meaningful role in addressing communication exigencies within the context of health crises. In this study, quantitative content analysis and corpus linguistics methods were employed to analyze fear appeal-related elements in COVID-19 messages sent by a state-owned media outlet on social media. The results show that when compared to messages without threat, messages conveying threat elicited significantly more comments, in which emotions and perceptions to threat and efficacy were exhibited, while messages containing both threat and efficacy generated more engagement in comparison to messages with threat alone. Moreover, while subdimensions under efficacy were positive predictors of engagement, those under threat were primarily found to have exerted negative effects. The findings provide insights into how fear appeal elements can be employed in government health crisis communication to engage the public.
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Affiliation(s)
- Le Yao
- Faculty of Humanities, The Hong Kong Polytechnic University, Hong Kong, China
- Department of Applied Linguistics, Xi'an Jiaotong-Liverpool University, Suzhou, China
| | - Cindy Sing Bik Ngai
- Department of Chinese and Bilingual Studies, The Hong Kong Polytechnic University, Hong Kong, China
| | - Rita Gill Singh
- Language Centre, Hong Kong Baptist University, Hong Kong, China
| | - Fangfang Chen
- Faculty of Humanities, The Hong Kong Polytechnic University, Hong Kong, China
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Geskey JM, Yuksel JM, Snead JA, Noviasky JA, Brummel G, Shippey E. Factors Associated with Acute Injurious Falls in Elderly Hospitalized Patients: A Multicenter Descriptive Study. Jt Comm J Qual Patient Saf 2023; 49:604-612. [PMID: 37487930 DOI: 10.1016/j.jcjq.2023.06.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 06/27/2023] [Accepted: 06/28/2023] [Indexed: 07/26/2023]
Abstract
BACKGROUND The Centers for Medicare & Medicaid Services Hospital-Acquired Conditions (CMS-HAC) links Medicare payments to health care quality. Experiencing a serious disability or death associated with a fall in a health care facility based on diagnosis codes has been identified as an opportunity for improvement. Multiple factors contribute to an inpatient fall, including medications that affect cognition in older adults. The primary aim of this study was to investigate the effect of the commonly prescribed classes of medications on the CMS-HAC falls and trauma definition in US hospitals in a large inpatient database from 2019 to 2021. METHODS The authors analyzed data from 835 hospitals in the Vizient Clinical Data Base between January 1, 2019, and December 31, 2021, on patients ≥ 65 years of age with CMS-HAC patient falls and trauma codes. Using logistic regression and stepwise Poisson regression analysis, the authors identified demographic, clinical, and hospital-related variables associated with falls meeting the CMS-HAC definition. The top 20 prescribed drug classes in these patients were also identified. RESULTS Among 11,064,024 patient encounters, 5,978 met the CMS-HAC definition of a serious fall. Patients who experienced a serious fall were significantly more likely to be > 79 years of age (p < 0.001, odds ratio [OR] 1.30, 95% confidence interval [CI] 1.23-1.37), have a history of prior falls (p < 0.001, OR 2.30, 95% CI 2.11-2.50), have a code for dementia (p < 0.001, OR 1.50, 95% CI 1.40-1.60), and have higher anticholinergic cognitive burden (ACB) scores (p < 0.001, OR 1.14, 95% CI 1.13-1.14). Specific medication classes associated with CMS-HAC falls were first-generation antihistamines (p < 0.00, OR 1.21, 95% CI 1.09-1.35), second-generation antihistamines (p ≤ 0.001, OR 1.15, 95% CI 1.13-1.19), and atypical antipsychotics (p < 0.001, OR 1.18, CI 1.13-1.29). CONCLUSION Patients who experience a fall meeting the CMS-HAC fall definition are significantly more likely to have a prior history of falling, dementia, and a higher ACB score. Results from this study may inform future quality improvement work aimed at reducing injurious falls.
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Yuan C, Yang D, Xu L, Liu J, Li H, Yu X, Zou S, Wang K, Hu Z. Nomogram predicting surgical risk of laparoscopic left-sided hepatectomy for hepatolithiasis. Langenbecks Arch Surg 2023; 408:357. [PMID: 37704787 DOI: 10.1007/s00423-023-03099-6] [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: 05/26/2023] [Accepted: 09/07/2023] [Indexed: 09/15/2023]
Abstract
OBJECTIVE To explore the surgical risk factors of laparoscopic left-sided hepatectomy for hepatolithiasis and establish and validate a nomogram to estimate the corresponding surgical risks. METHODS Patients with hepatolithiasis who underwent laparoscopic left-sided hepatectomy were retrospectively enrolled. Demographic data, clinicopathological parameters, and surgical factors were collected. Three hundred fifty-three patients were enrolled and randomly divided into training set (n=267) and validation set (n=86) by 3:1. Conversion to laparotomy was used as a surrogate index to evaluate the surgical risk. Univariate analysis was used to screen potential surgical risk factors, and multivariate analysis using logistic regression model was used to screen independent surgical risk factors. Nomogram predicting the surgical risks was established based on the independent risk factors. Discrimination, calibration, decision curve, and clinical impact analyses were used to evaluate the performance of the nomogram on the statistical and clinical aspects both in the training and validation sets. RESULTS Five independent surgical risk factors were identified in the training set, including recurrent abdominal pain, bile duct stricture, ASA classification ≥2, extent of liver resection, and biliary tract T tube drainage. No collinearity was found among these five factors, and a nomogram was established. Performance analyses of the nomogram showed good discrimination (AUC=0.850 and 0.817) and calibration (Hosmer-Lemeshow test, p=0.530 and 0.930) capabilities both in the training and validation sets. Decision curve and clinical impact analyses also showed that the prediction performance was clinically valuable. CONCLUSIONS A nomogram was established and validated to be effective in evaluating and predicting the surgical risk of patients undergoing laparoscopic left-sided hepatectomies for hepatolithiasis.
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Affiliation(s)
- Chen Yuan
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
- Jiangxi Provincial Clinical Research Center for General Surgery Disease, Nanchang, China
- Jiangxi Provincial Engineering Research Center for Hepatobiliary Disease, Nanchang, China
| | - Dongxiao Yang
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
- Jiangxi Provincial Clinical Research Center for General Surgery Disease, Nanchang, China
- Jiangxi Provincial Engineering Research Center for Hepatobiliary Disease, Nanchang, China
| | - Linlong Xu
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
- Jiangxi Provincial Clinical Research Center for General Surgery Disease, Nanchang, China
- Jiangxi Provincial Engineering Research Center for Hepatobiliary Disease, Nanchang, China
| | - Jia Liu
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
- Jiangxi Provincial Clinical Research Center for General Surgery Disease, Nanchang, China
- Jiangxi Provincial Engineering Research Center for Hepatobiliary Disease, Nanchang, China
| | - Huaiyang Li
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
- Jiangxi Provincial Clinical Research Center for General Surgery Disease, Nanchang, China
- Jiangxi Provincial Engineering Research Center for Hepatobiliary Disease, Nanchang, China
| | - Xin Yu
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
- Jiangxi Provincial Clinical Research Center for General Surgery Disease, Nanchang, China
- Jiangxi Provincial Engineering Research Center for Hepatobiliary Disease, Nanchang, China
| | - Shubing Zou
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China
- Jiangxi Provincial Clinical Research Center for General Surgery Disease, Nanchang, China
- Jiangxi Provincial Engineering Research Center for Hepatobiliary Disease, Nanchang, China
| | - Kai Wang
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China.
- Jiangxi Provincial Clinical Research Center for General Surgery Disease, Nanchang, China.
- Jiangxi Provincial Engineering Research Center for Hepatobiliary Disease, Nanchang, China.
| | - Zhigang Hu
- Hepato-Biliary-Pancreatic Surgery Division, Department of General Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330006, China.
- Jiangxi Provincial Clinical Research Center for General Surgery Disease, Nanchang, China.
- Jiangxi Provincial Engineering Research Center for Hepatobiliary Disease, Nanchang, China.
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Vemuru SR, Bronsert M, Vossler K, Huynh VD, Beaty L, Ahrendt G, Arruda J, Kaoutzanis C, Rojas KE, Bozzuto L, Kim S, Tevis SE. Postoperative Outcomes After Staged Versus Coordinated Breast Surgery and Bilateral Salpingo-Oophorectomy. Ann Surg Oncol 2023; 30:5667-5680. [PMID: 37336806 PMCID: PMC11112621 DOI: 10.1245/s10434-023-13630-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 04/27/2023] [Indexed: 06/21/2023]
Abstract
BACKGROUND The objective of this study was to compare postoperative complication rates and healthcare charges between patients who underwent coordinated versus staged breast surgery and bilateral salpingo-oophorectomy (BSO). PATIENTS AND METHODS The MarketScan administrative database was used to identify adult female patients with invasive breast cancer or BRCA1/BRCA2 mutations who underwent BSO and breast surgery (lumpectomy or mastectomy with or without reconstruction) between 2010 and 2015. Patients were assigned to the coordinated group if a breast operation and BSO were performed simultaneously or assigned to the staged group if BSO was performed separately. Primary outcomes were (1) incidence of 90-day postoperative complications and (2) 2-year aggregate perioperative healthcare charges. Fisher's exact tests, Wilcoxon rank-sum tests, and multivariable regression analyses were performed. RESULTS Of the 4228 patients who underwent breast surgery and BSO, 412 (9.7%) were in the coordinated group and 3816 (90.3%) were in the staged group. The coordinated group had a higher incidence of postoperative complications (24.0% vs. 17.7%, p < 0.01), higher risk-adjusted odds of postoperative complications [odds ratio (OR) 1.37, 95% confidence interval (CI) 1.06-1.76, p = 0.02], and similar aggregate healthcare charges before (median charges: $106,500 vs. $101,555, p = 0.96) and after risk-adjustment [incidence rate ratio (IRR) 1.00, 95% CI 0.93-1.07; p = 0.95]. In a subgroup analysis, incidence of postoperative complications (12.9% for coordinated operations vs. 11.7% for staged operation, p = 0.73) was similar in patients whose breast operation was a lumpectomy. CONCLUSIONS While costs were similar, coordinating breast surgery with BSO was associated with more complications in patients who underwent mastectomy, but not in patients who underwent lumpectomy. These data should inform shared decision-making in high-risk patients.
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Affiliation(s)
- Sudheer R Vemuru
- Department of Surgery, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Michael Bronsert
- University of Colorado School of Medicine, Surgical Outcomes and Applied Research (SOAR) Program and Adult and Child Consortium for Health Outcomes Research and Delivery Science (ACCORDS), Aurora, CO, USA
| | | | - Victoria D Huynh
- Department of Surgery, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Laurel Beaty
- School of Public Health Department of Biostatistics and Informatics, University of Colorado, Aurora, CO, USA
| | - Gretchen Ahrendt
- Department of Surgery, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Jaime Arruda
- Department of Obstetrics and Gynecology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | | | - Kristin E Rojas
- Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Laura Bozzuto
- Department of Surgery, University of Wisconsin School of Medicine, Madison, WI, USA
| | - Simon Kim
- Department of Surgery, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Sarah E Tevis
- Department of Surgery, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
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Smith E, Krometis LAH, Czuba JA, Kolivras K. Land cover and community water system characteristics as predictors of Safe Drinking Water Act violations in Central Appalachia, USA. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:159726. [PMID: 36302432 DOI: 10.1016/j.scitotenv.2022.159726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 10/05/2022] [Accepted: 10/21/2022] [Indexed: 06/16/2023]
Abstract
Upstream anthropogenic land cover can degrade source drinking water quality and thereby inhibit the ability of a community water system to provide safe drinking water. This study aimed to predict differences in Safe Drinking Water Act (SDWA) compliance between water systems based on upstream land cover in Central Appalachia and to examine whether national trends correlating violations with system size and source type were relevant for this region. Multiple generalized linear mixed models assessed relationships between SDWA violations and the distance weighted land cover proportions associated with the water system's contributing source watershed, as well as county economic status, system size, and water source. Results indicate that rates of monitoring and reporting violations were significantly higher for smaller water systems in more economically distressed counties. Interestingly, increases in surface mining landuse and high density development decreased monitoring and reporting violations, which may reflect impacts of associated economic development. Increases in low intensity development increased the likelihood of health-based violations. To protect public health, community managers should consider source water protection and/or upgrading drinking water system treatment capacity prior to developing previously undeveloped areas and further motivate compliance with monitoring and reporting requirements.
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Affiliation(s)
- Ethan Smith
- Capital Planning, San Jose Water District, 1265 South Bascom Ave, San Jose, CA 95128, USA.
| | - Leigh-Anne H Krometis
- Biological Systems Engineering, 155 Ag Quad Lane, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0303, USA.
| | - Jonathan A Czuba
- Biological Systems Engineering, 155 Ag Quad Lane, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0303, USA.
| | - Korine Kolivras
- Geography, 238 Wallace Hall, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA.
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Meyer MJ, Mordukhovich I, Coull BA, McCracken J, Wellenius GA, Mittleman MA, McNeely E. Impact of simulated flight conditions on supraventricular and ventricular ectopy. Sci Rep 2023; 13:481. [PMID: 36627318 PMCID: PMC9830600 DOI: 10.1038/s41598-022-27113-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 12/26/2022] [Indexed: 01/11/2023] Open
Abstract
Though billions of passengers and crew travel by air each year and are exposed to altitude equivalents of 7000-8000 feet, the health impact of cabin oxygenation levels has not been well studied. The hypoxic environment may produce ectopic heartbeats that may increase the risk of acute in-flight cardiac events. We enrolled forty older and at-risk participants under a block-randomized crossover design in a hypobaric chamber study to examine associations between flight oxygenation and both ventricular (VE) and supraventricular ectopy (SVE). We monitored participant VE and SVE every 5 min under both flight and control conditions to investigate the presence and rate of VE and SVE. While the presence of VE did not differ according to condition, the presence of SVE was higher during flight conditions (e.g. OR ratio = 1.77, 95% CI: 1.21, 2.59 for SVE couplets). Rates of VE and SVE were higher during flight conditions (e.g. RR ratio = 1.25, 95% CI: 1.03, 1.52 for VE couplets, RR ratio = 1.76, 95% CI: 1.39, 2.22 for SVE couplets). The observed higher presence and rate of ectopy tended to increase with duration of the flight condition. Further study of susceptible passengers and crew may elucidate the specific associations between intermittent or sustained ectopic heartbeats and hypoxic pathways.
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Affiliation(s)
- Mark J Meyer
- Department of Mathematics and Statistics, Georgetown University, Washington, DC, 20057, USA.
| | - Irina Mordukhovich
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Brent A Coull
- Department of Biostatistics, Harvard T. H. Chan School of Public Health, Boston, MA, 02115, USA
| | - John McCracken
- Global Health Institute, Epidemiology and Biostatistics, University of Georgia, Athens, GA, 30602, USA
| | - Gregory A Wellenius
- Department of Environmental Health, Boston University School of Public Health, Boston, MA, 02118, USA
| | - Murray A Mittleman
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA
| | - Eileen McNeely
- Department of Environmental Health, Harvard T. H. Chan School of Public Health, Boston, MA, 02115, USA
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Cremona S, Joliot M, Mellet E. Cluster-based characterization of consistencies in individuals' thought profiles at rest in a cohort of 1779 French university students. CURRENT PSYCHOLOGY 2022. [DOI: 10.1007/s12144-022-04185-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
AbstractIs ongoing conscious thought spontaneous and situation-related, or is it recurrent and dependent on psychological dispositions? The answer is critical for resting-state functional connectivity (RSFC) paradigms that seek to correlate neuroanatomical states with conscious mental states. The goal of the present study was to characterize individual resting state thought profiles (RSTPs) and identify the recurrent ones, i.e., that could both be predicted by personality traits and predict subsequent negative affective states. The 1779 participants had a mean age of 22.1 years, 71.8% were females, and 71.8% were undergraduates. We collected the form and content of their thoughts during a 15-min RSFC session with a computerized retrospective self-questionnaire (ReSQ 2.0). Subsamples of participants also completed online autoquestionnaires assessing their psychological maturity and trait negative affectivity (with a four-day gap on average, N = 1270) and subsequent depressive and anxious states (1.4 years later on average, N = 922). Based on the multiple correspondence and clustering analyses of the ReSQ 2.0 responses, we identified six RSTPs distinctive by their content scope, temporal orientation, empathetic concern, and emotional valence. Multivariate analyses revealed that the probability of experiencing five of the six RSTPs was predicted by trait negative affectivity interacting with psychological maturity. Among them, a negatively valenced RSTP also increased the likelihood of subsequent negative affective states, suggesting its stable and recurrent nature. Identifying recurrent RSTPs is helpful for the future understanding of RSTPs’ contribution to RSFC. Additionally, it will be relevant to test whether acting on psychological maturity can alter the relationship between ongoing conscious thought and negative affectivity.
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Chen YY, Chung FP, Lin YJ, Chien KL, Chang WT. Exploring the Risk Factors of Sudden Cardiac Death Using an Electrocardiography and Medical Ultrasonography for the General Population Without a History of Coronary Artery Disease or Left Ventricular Ejection Fraction <35% and Aged >35 Years - A Novel Point-Based Prediction Model Based on the Chin-Shan Community Cardiovascular Cohort. Circ J 2022; 87:139-149. [PMID: 36047166 DOI: 10.1253/circj.cj-22-0322] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND Most of the factors and prediction models of sudden cardiac death (SCD) have been developed without considering the Asia population. The purpose of this study is to construct a point-based prediction model for the general population in Asia. METHODS AND RESULTS Chin-Shan Community Cardiovascular Cohort (CCCC) is a community-based longitudinal cohort initiated between 1990 and 1991, enrolling participants aged ≥35 years and following them up until 2005. Participants with coronary artery disease (CAD) or a left ventricular ejection fraction (LVEF) of 35% were excluded from this study. The Framingham risk score function was used to derive a simple point-based prediction model. Based on bootstrapping, a novel model (CCCC-SCD-Score) was validated. A total of 2,105 participants were analyzed. The incidence rate of SCD was 0.406 per 1,000 person-years. The CCCC-SCD-Score score was calculated using age groups (maximal points=4), left ventricular hypertrophy, hypertension, left ventricular ejection fraction <40%, aortic flow rate >190 cm/s, and carotid plaque scores ≥5 (point=1 for each risk factor). The C-index of the CCCC-SCD-Score in predicting SCD risks was 0.888 (95% confidence interval: 0.807-0.969). CONCLUSIONS For the general Asian population without a history of CAD or a LVEF <35% and who are aged >35 years, the novel model-based scoring system effectively identifies the risk for SCD using the clinical factors, electrocardiographic and echocardiographic data.
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Affiliation(s)
- Yun-Yu Chen
- Institute of Epidemiology and Preventive Medicine College of Public Health, National Taiwan University
- Heart Rhythm Center and Division of Cardiology, Department of Medicine, Taipei Veterans General Hospital
| | - Fa-Po Chung
- Heart Rhythm Center and Division of Cardiology, Department of Medicine, Taipei Veterans General Hospital
- Department of Internal Medicine, Faculty of Medicine, Institute of Clinical Medicine, Cardiovascular Research Center, School of Medicine, National Yang Ming Chiao Tung University
| | - Yenn-Jiang Lin
- Heart Rhythm Center and Division of Cardiology, Department of Medicine, Taipei Veterans General Hospital
- Department of Internal Medicine, Faculty of Medicine, Institute of Clinical Medicine, Cardiovascular Research Center, School of Medicine, National Yang Ming Chiao Tung University
| | - Kuo-Liong Chien
- Institute of Epidemiology and Preventive Medicine College of Public Health, National Taiwan University
| | - Wei-Tien Chang
- Department of Emergency Medicine, National Taiwan University Hospital
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Lizé M, Monfort C, Rouget F, Limon G, Durand G, Tillaut H, Chevrier C. Prenatal exposure to organophosphate pesticides and autism spectrum disorders in 11-year-old children in the French PELAGIE cohort. ENVIRONMENTAL RESEARCH 2022; 212:113348. [PMID: 35500857 DOI: 10.1016/j.envres.2022.113348] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 03/25/2022] [Accepted: 04/19/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Organophosphate (OP) pesticides act by inhibiting acetylcholinesterase activity at synaptic junctions and have already been linked with deleterious effects on neurodevelopment, including autism spectrum disorders (ASD). OBJECTIVES To investigate the association of prenatal exposure to OP pesticides with traits related to ASD in 11-year-old children. METHODS The "Childhood Autism Spectrum Test" (CAST) parent questionnaire was used to screen for autistic traits in 792 children from the French PELAGIE cohort. Prenatal maternal urine samples were collected <19 weeks of gestation in which metabolites of organophosphate insecticides were assessed for 185 of them. Negative binomial regression models were performed to explore the association between the CAST score and 8 groups of urine components, adjusted for potential ASD risk factors. RESULTS In these urine samples, dialkylphosphates (DAP) were detected most often (>80%), terbufos and its metabolites least often (<10%). No association with ASD was found for DAP, terbufos or its metabolites. Incidence rate ratios (IRRs) increased with maternal urinary diazinon concentrations, from 1.11 (95% CI: 0.87-1.42) to 1.17 (95% CI: 0.94-1.46). Higher CAST scores were statistically significantly associated with the maternal urine samples in which chlorpyrifos or two of its metabolites (chlorpyrifos-oxon and 3,5,6-trichloro-2-pyridinol) were detected. The IRR for exposure to chlorpyrifos or chlorpyrifos-oxon was 1.27 (95%CI: 1.05-1.52) among all children, and 1.39 (95%CI: 1.07-1.82) among boys. CONCLUSION These findings suggest an increase in autistic traits among 11-year-old children in association with prenatal maternal exposure to chlorpyrifos and possibly diazinon. These associations were previously suspected in the literature, in particular for chlorpyrifos. Further work establishing the causal mechanisms behind these risk association is needed.
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Affiliation(s)
- Mathilde Lizé
- Université Rennes 1, CHU Rennes, Irset (institut de recherche en santé, environnement et travail), UMR_S 1085, F-35000, Rennes, France.
| | - Christine Monfort
- Université Rennes 1, CHU Rennes, Irset (institut de recherche en santé, environnement et travail), UMR_S 1085, F-35000, Rennes, France.
| | - Florence Rouget
- CHU Rennes, Université Rennes 1, Inserm, EHESP, Irset (institut de recherche en santé, environnement et travail), UMR_S 1085, F-35000 Rennes, France.
| | - Gwendolina Limon
- LABOCEA (Laboratoire public Conseil, Expertise et Analyse in Brittany), F-29280, Plouzané, France.
| | - Gaël Durand
- LABOCEA (Laboratoire public Conseil, Expertise et Analyse in Brittany), F-29280, Plouzané, France.
| | - Hélène Tillaut
- Université Rennes 1, Inserm, EHESP, Irset (institut de Recherche en santé, environnement et travail), UMR_S 1085, F-35000, Rennes, France.
| | - Cécile Chevrier
- Université Rennes 1, Inserm, EHESP, Irset (institut de Recherche en santé, environnement et travail), UMR_S 1085, F-35000, Rennes, France.
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Fernandez GA, Vatcheva KP. A comparison of statistical methods for modeling count data with an application to hospital length of stay. BMC Med Res Methodol 2022; 22:211. [PMID: 35927612 PMCID: PMC9351158 DOI: 10.1186/s12874-022-01685-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 07/11/2022] [Indexed: 11/22/2022] Open
Abstract
Background Hospital length of stay (LOS) is a key indicator of hospital care management efficiency, cost of care, and hospital planning. Hospital LOS is often used as a measure of a post-medical procedure outcome, as a guide to the benefit of a treatment of interest, or as an important risk factor for adverse events. Therefore, understanding hospital LOS variability is always an important healthcare focus. Hospital LOS data can be treated as count data, with discrete and non-negative values, typically right skewed, and often exhibiting excessive zeros. In this study, we compared the performance of the Poisson, negative binomial (NB), zero-inflated Poisson (ZIP), and zero-inflated negative binomial (ZINB) regression models using simulated and empirical data. Methods Data were generated under different simulation scenarios with varying sample sizes, proportions of zeros, and levels of overdispersion. Analysis of hospital LOS was conducted using empirical data from the Medical Information Mart for Intensive Care database. Results Results showed that Poisson and ZIP models performed poorly in overdispersed data. ZIP outperformed the rest of the regression models when the overdispersion is due to zero-inflation only. NB and ZINB regression models faced substantial convergence issues when incorrectly used to model equidispersed data. NB model provided the best fit in overdispersed data and outperformed the ZINB model in many simulation scenarios with combinations of zero-inflation and overdispersion, regardless of the sample size. In the empirical data analysis, we demonstrated that fitting incorrect models to overdispersed data leaded to incorrect regression coefficients estimates and overstated significance of some of the predictors. Conclusions Based on this study, we recommend to the researchers that they consider the ZIP models for count data with zero-inflation only and NB models for overdispersed data or data with combinations of zero-inflation and overdispersion. If the researcher believes there are two different data generating mechanisms producing zeros, then the ZINB regression model may provide greater flexibility when modeling the zero-inflation and overdispersion.
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Affiliation(s)
- Gustavo A Fernandez
- School of Mathematical and Statistical Sciences, University of Texas Rio Grande Valley, One West University Boulevard, Brownsville CampusBrownsville, TX, 78520, USA
| | - Kristina P Vatcheva
- School of Mathematical and Statistical Sciences, University of Texas Rio Grande Valley, One West University Boulevard, Brownsville CampusBrownsville, TX, 78520, USA.
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Tse A, Ward S, McNeil J, Barker A, Cicuttini F, Fitzgibbon B, Hussain SM, Owen A, Wang YY, Wolfe R, Gilmartin-Thomas JFM. Severe low back or lower limb pain is associated with recurrent falls amongst older Australians. Eur J Pain 2022; 26:1923-1937. [PMID: 35862463 PMCID: PMC9546413 DOI: 10.1002/ejp.2013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 06/25/2022] [Accepted: 07/16/2022] [Indexed: 11/14/2022]
Abstract
Background Few studies have explored the impact of low back or lower limb pain severity on recurrent (≥2) falls in older adults. Objectives Investigate the association between the severity of low back or lower limb pain, and ≥2 falls or falls‐related injuries. Methods Community‐dwelling Australian males and females in the ASPREE Longitudinal Study of Older Persons (ALSOP), aged ≥70 years. Self‐reported, cross‐sectional questionnaire data regarding number of falls and falls‐related injuries in the last 12 months; and sites and severity of pain experienced on most days. Adjusted relative risks (RR) were estimated from multivariable Poisson regression models, for males and females separately. Results Of 14,892 ALSOP participants, 13% (n = 1983) reported ≥2 falls (‘recurrent fallers’) in the last 12 months. Males and females who reported severe low back, or severe lower limb pain on most days were more likely to report ≥2 falls in the last 12 months compared to those with mild pain (lower back: males RR = 1.70 and females RR = 1.5, p = 0.001; lower limb: males RR = 2.0, p < 0.001 and females RR = 1.4, p = 0.003). Female recurrent fallers who reported severe low back (RR = 1.3, p = 0.029) or lower limb (RR = 1.2, p = 0.024) pain on most days were more likely to report a falls‐related injury in the last 12 months compared to females with mild pain. Conclusion Severe low back or lower limb pain was associated with an increased likelihood of recurrent falls (males/females) or falls‐related injuries (females only). Assessment of severe low back and lower limb pain should be considered as a priority when undertaking falls‐risk evaluation. Significance Severe low back pain, or severe lower limb pain is associated with an increased likelihood of recurrent falls in older males and females, and an increased likelihood of falls‐related injuries in older female recurrent fallers. Assessment and management of severe low back and lower limb pain should be prioritized when undertaking falls‐risk assessment. Future longitudinal research is required to further interrogate this relationship and its underlying mechanisms.
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Affiliation(s)
- Amy Tse
- Aged Care Department, Bankstown-Lidcombe Hospital, New South Wales, Australia.,School of Health, University of New South Wales, New South Wales, Australia
| | - Stephanie Ward
- School of Public Health and Preventive Medicine, Monash University, Victoria, Australia.,Centre for Healthy Brain Ageing, University of New South Wales, New South Wales, Australia.,Dept of Geriatric Medicine, Prince of Wales Hospital, New South Wales, Australia
| | - John McNeil
- School of Public Health and Preventive Medicine, Monash University, Victoria, Australia
| | - Anna Barker
- School of Public Health and Preventive Medicine, Monash University, Victoria, Australia.,Silver Chain, Victoria, Australia
| | - Flavia Cicuttini
- School of Public Health and Preventive Medicine, Monash University, Victoria, Australia
| | - Bernadette Fitzgibbon
- School of Public Health and Preventive Medicine, Monash University, Victoria, Australia
| | - Sultana Monira Hussain
- School of Public Health and Preventive Medicine, Monash University, Victoria, Australia.,Department of Medical Education, Melbourne Medical School, The University of Melbourne, Victoria, Australia
| | - Alice Owen
- School of Public Health and Preventive Medicine, Monash University, Victoria, Australia
| | - Yuan Yuan Wang
- School of Public Health and Preventive Medicine, Monash University, Victoria, Australia
| | - Rory Wolfe
- School of Public Health and Preventive Medicine, Monash University, Victoria, Australia
| | - Julia Fiona-Maree Gilmartin-Thomas
- School of Public Health and Preventive Medicine, Monash University, Victoria, Australia.,Institute for Health & Sport, Victoria University, Victoria, Australia.,Australian Institute for Musculoskeletal Science, Victoria, Australia
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12
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Ngai CSB, Singh RG, Yao L. Impact of COVID-19 Vaccine Misinformation on Social Media Virality: Content Analysis of Message Themes and Writing Strategies. J Med Internet Res 2022; 24:e37806. [PMID: 35731969 PMCID: PMC9301555 DOI: 10.2196/37806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 06/16/2022] [Accepted: 06/21/2022] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Vaccines serve an integral role in containing pandemics, yet vaccine hesitancy is prevalent globally. One key reason for this hesitancy is the pervasiveness of misinformation on social media. Although considerable research attention has been drawn to how exposure to misinformation is closely associated with vaccine hesitancy, little scholarly attention has been given to the investigation or robust theorizing of the various content themes pertaining to antivaccine misinformation about COVID-19 and the writing strategies in which these content themes are manifested. Virality of such content on social media exhibited in the form of comments, shares, and reactions has practical implications for COVID-19 vaccine hesitancy. OBJECTIVE We investigated whether there were differences in the content themes and writing strategies used to disseminate antivaccine misinformation about COVID-19 and their impact on virality on social media. METHODS We constructed an antivaccine misinformation database from major social media platforms during September 2019-August 2021 to examine how misinformation exhibited in the form of content themes and how these themes manifested in writing were associated with virality in terms of likes, comments, and shares. Antivaccine misinformation was retrieved from two globally leading and widely cited fake news databases, COVID Global Misinformation Dashboard and International Fact-Checking Network Corona Virus Facts Alliance Database, which aim to track and debunk COVID-19 misinformation. We primarily focused on 140 Facebook posts, since most antivaccine misinformation posts on COVID-19 were found on Facebook. We then employed quantitative content analysis to examine the content themes (ie, safety concerns, conspiracy theories, efficacy concerns) and manifestation strategies of misinformation (ie, mimicking of news and scientific reports in terms of the format and language features, use of a conversational style, use of amplification) in these posts and their association with virality of misinformation in the form of likes, comments, and shares. RESULTS Our study revealed that safety concern was the most prominent content theme and a negative predictor of likes and shares. Regarding the writing strategies manifested in content themes, a conversational style and mimicking of news and scientific reports via the format and language features were frequently employed in COVID-19 antivaccine misinformation, with the latter being a positive predictor of likes. CONCLUSIONS This study contributes to a richer research-informed understanding of which concerns about content theme and manifestation strategy need to be countered on antivaccine misinformation circulating on social media so that accurate information on COVID-19 vaccines can be disseminated to the public, ultimately reducing vaccine hesitancy. The liking of COVID-19 antivaccine posts that employ language features to mimic news or scientific reports is perturbing since a large audience can be reached on social media, potentially exacerbating the spread of misinformation and hampering global efforts to combat the virus.
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Affiliation(s)
- Cindy Sing Bik Ngai
- Department of Chinese and Bilingual Studies, Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Rita Gill Singh
- Language Centre, Hong Kong Baptist University, Kowloon, Hong Kong
| | - Le Yao
- Department of Chinese and Bilingual Studies, Hong Kong Polytechnic University, Kowloon, Hong Kong
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13
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Marrache M, Prasad N, Margalit A, Nayar SK, Best MJ, Fritz JM, Skolasky RL. Initial presentation for acute low back pain: is early physical therapy associated with healthcare utilization and spending? A retrospective review of a National Database. BMC Health Serv Res 2022; 22:851. [PMID: 35778738 PMCID: PMC9250203 DOI: 10.1186/s12913-022-08255-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 06/14/2022] [Indexed: 12/29/2022] Open
Abstract
Background Early initiation of physical therapy (PT) has been associated with lower healthcare costs and utilization; however, these studies have been limited to single institutions or healthcare systems. Our goal was to assess healthcare utilization and spending among patients who present for the first time with low back pain (LBP), according to whether they received early physical therapy (PT), using a large, nationwide sample; and geographic variation in rates of early PT and 30-day LBP-related spending. Methods Using the Truven MarketScan database, we identified nearly 980,000 US adults ages 18–64 years who initially presented with acute LBP from 2010 through 2014 and did not have nonmusculoskeletal causes of LBP. Approximately 110,000 patients (11%) received early PT (≤2 weeks after presentation). We compared healthcare utilization and spending at 30 days and 1 year after presentation between patients who received early PT and those who did not. Alpha = 0.05. Results At 30 days, early PT was associated with lower odds of chiropractor visits (odds ratio [OR] = 0.41, 95% confidence interval [CI] = 0.40–0.42), pain specialist visits (OR = 0.49, 95% CI = 0.47–0.51), emergency department visits (OR = 0.51, 95% CI = 0.49–0.54), advanced imaging (OR = 0.57, 95% CI = 0.56–0.58), orthopaedist visits (OR = 0.67, 95% CI = 0.66–0.69), and epidural steroid injections (OR = 0.68, 95% CI = 0.65–0.70). At 1 year, early PT was associated with less healthcare utilization. At 30 days, patients with early PT had lower mean LBP-related spending ($1180 ± $1500) compared with those without early PT ($1250 ± $2560) (P < 0.001). At 1 year, LBP-related spending was significantly less among patients who did not receive early PT ($2510 ± $3826) versus those who did ($2588 ± $3704). Early PT rates (range, 4–25%; P < 0.001) and 30-day LBP-related spending differed by state (range, $421 to −$410; P < 0.001). Conclusion Early PT for acute LBP was associated with less 30-day and 1-year healthcare utilization and less 30-day LBP-related spending. Early PT rates and 30-day spending differed by US state. Level of evidence IV Supplementary Information The online version contains supplementary material available at 10.1186/s12913-022-08255-0.
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Affiliation(s)
- Majd Marrache
- Department of Orthopaedic Surgery, The Johns Hopkins University, 601 N. Caroline Street, JHOC 5223, Baltimore, MD, 21287, USA
| | - Niyathi Prasad
- Department of Orthopaedic Surgery, The Johns Hopkins University, 601 N. Caroline Street, JHOC 5223, Baltimore, MD, 21287, USA
| | - Adam Margalit
- Department of Orthopaedic Surgery, The Johns Hopkins University, 601 N. Caroline Street, JHOC 5223, Baltimore, MD, 21287, USA
| | - Suresh K Nayar
- Department of Orthopaedic Surgery, The Johns Hopkins University, 601 N. Caroline Street, JHOC 5223, Baltimore, MD, 21287, USA
| | - Matthew J Best
- Department of Orthopaedic Surgery, The Johns Hopkins University, 601 N. Caroline Street, JHOC 5223, Baltimore, MD, 21287, USA
| | - Julie M Fritz
- Department of Physical Therapy & Athletic Training, University of Utah, Salt Lake City, UT, USA
| | - Richard L Skolasky
- Department of Orthopaedic Surgery, The Johns Hopkins University, 601 N. Caroline Street, JHOC 5223, Baltimore, MD, 21287, USA.
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14
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Chen T, Norback D, Deng Q, Huang C, Qian H, Zhang X, Sun Y, Wang T, Zhang Y, Li B, Kan H, Wei L, Liu C, Xu Y, Zhao Z. Maternal exposure to PM 2.5/BC during pregnancy predisposes children to allergic rhinitis which varies by regions and exclusive breastfeeding. ENVIRONMENT INTERNATIONAL 2022; 165:107315. [PMID: 35635966 DOI: 10.1016/j.envint.2022.107315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 05/02/2022] [Accepted: 05/18/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Increasing prevalence of childhood allergic rhinitis(AR) needs a deeper understanding on the potential adverse effects of early life exposure to air pollution. OBJECTIVES The main aim was to evaluate the effects of maternal exposure to PM2.5 and chemical constituents during pregnancy on preschool children's AR, and further to explore the modification effects of regions and exclusive breastfeeding. METHODS A multi-center population-based study was performed in 6 cities from 3 regions of China in 2011-2012. Maternal exposure to ambient PM2.5 and main chemical constituents(BC, OM, SO42-, NO3-, NH4+) during pregnancy was assessed and a longitudinal prospective analysis was applied on preschool children's AR. The modification effects of regions and exclusive breastfeeding were investigated. RESULTS A total of 8.8% and 9.8% of children reported doctor-diagnosed allergic rhinitis(DDAR) and current hay fever, respectively, and 48.6% had less than 6 months of exclusive breastfeeding. The means of PM2.5 during pregnancy were 52.7 μg/m3, 70.3 μg/m3 and 76.4 μg/m3 in the east, north and central south of China, respectively. Multilevel log-binomial model regression showed that each interquartile range(IQR) increase of PM2.5 during pregnancy was associated with an average increase in prevalence ratio (PR) of DDAR by 1.43(95% confidence interval(CI): 1.11, 1.84) and current hay fever by 1.79(95% CI: 1.26, 2.55), respectively. Among chemical constituents, black carbon (BC) had the strongest associations. Across 3 regions, the eastern cities had the highest associations, followed by those in the central south and the north. For those equal to or longer than 6 months of exclusive breastfeeding, the associations were significantly reduced. CONCLUSIONS Children in east of China had the highest risks of developing AR per unit increase of maternal exposure to PM2.5 during pregnancy, especially BC constituent. Remarkable decline was found in association with an increase in breastfeeding for ≥6 months, in particular in east of China.
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Affiliation(s)
- Tianyi Chen
- Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China
| | - Dan Norback
- Department of Medical Sciences, Uppsala University, Uppsala SE-751, Sweden
| | - Qihong Deng
- School of Energy Science and Engineering, Central South University, Changsha 410083, China
| | - Chen Huang
- School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Hua Qian
- School of Energy & Environment, Southeast University, Nanjing 210096, China
| | - Xin Zhang
- Research Center for Environmental Science and Engineering, Shanxi University, Taiyuan 030006, China
| | - Yuexia Sun
- Tianjin Key Lab of Indoor Air Environmental Quality Control, Tianjin University, Tianjin 300072, China
| | - Tingting Wang
- School of Nursing & Health Management, Shanghai University of Medicine & Health Sciences, Shanghai 201318, China
| | - Yinping Zhang
- Department of Building Science, Tsinghua University, Beijing 100084, China
| | - Baizhan Li
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Chongqing University, Chongqing 400030, China
| | - Haidong Kan
- Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China; Key Laboratory of Public Health Safety of the Ministry of Education, NHC Key Laboratory of Health Technology Assessment (Fudan University), Shanghai Typhoon Institute/CMA, Shanghai Key Laboratory of Meteorology and Health, Shanghai 200030, China; IRDR International Center of Excellence on Risk Interconnectivity and Governance on Weather/Climate Extremes Impact and Public Health, Fudan University, Shanghai 200438, China; WMO/IGAC MAP-AQ Asian Office Shanghai, Fudan University, Shanghai 200438, China
| | - Lan Wei
- Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China
| | - Cong Liu
- Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China.
| | - Yanyi Xu
- Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China; Key Laboratory of Public Health Safety of the Ministry of Education, NHC Key Laboratory of Health Technology Assessment (Fudan University), Shanghai Typhoon Institute/CMA, Shanghai Key Laboratory of Meteorology and Health, Shanghai 200030, China; IRDR International Center of Excellence on Risk Interconnectivity and Governance on Weather/Climate Extremes Impact and Public Health, Fudan University, Shanghai 200438, China; WMO/IGAC MAP-AQ Asian Office Shanghai, Fudan University, Shanghai 200438, China.
| | - Zhuohui Zhao
- Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China; Key Laboratory of Public Health Safety of the Ministry of Education, NHC Key Laboratory of Health Technology Assessment (Fudan University), Shanghai Typhoon Institute/CMA, Shanghai Key Laboratory of Meteorology and Health, Shanghai 200030, China; IRDR International Center of Excellence on Risk Interconnectivity and Governance on Weather/Climate Extremes Impact and Public Health, Fudan University, Shanghai 200438, China; WMO/IGAC MAP-AQ Asian Office Shanghai, Fudan University, Shanghai 200438, China.
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15
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Ngai CSB, Singh RG, Lu W, Yao L, Koon AC. Exploring the Relationship Between Trust-Building Strategies and Public Engagement on Social Media During the COVID-19 Outbreak. HEALTH COMMUNICATION 2022:1-17. [PMID: 35473490 DOI: 10.1080/10410236.2022.2055261] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Communication is critical in a new health emergency because it motivates the public to take preventive actions. Prior research has shown that strategies including source credibility, information transparency and uncertainty reduction actions could enhance trust in health communication on social media. Yet research on how the government in China used these trust-building strategies to engage the public during the outbreak of COVID-19 is limited. Therefore, our exploratory study developed an integrated framework for conducting quantitative content analysis to examine how the most popular government-owned newspaper in China, People's Daily, utilized a major social media platform, to engage the public. Our findings showed that accessibility to external links, provision of emotional support, and information on skills and resources were associated with increased public engagement with government COVID-19 posts. Insights gained can enable public health organizations and governments to focus on specific strategies to enhance public engagement.
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Affiliation(s)
- Cindy Sing Bik Ngai
- The Department of Chinese and Bilingual Studies, Hong Kong Polytechnic University
| | | | - Wenze Lu
- The Department of Chinese and Bilingual Studies, Hong Kong Polytechnic University
| | - Le Yao
- Faculty of Humanities, Hong Kong Polytechnic University
| | - Alex Chun Koon
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong
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16
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Yao L, Ngai CSB. Engaging social media users with attitudinal messages during health crisis communication. LINGUA. INTERNATIONAL REVIEW OF GENERAL LINGUISTICS. REVUE INTERNATIONALE DE LINGUISTIQUE GENERALE 2022; 268:103199. [PMID: 34720188 PMCID: PMC8548932 DOI: 10.1016/j.lingua.2021.103199] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 09/22/2021] [Accepted: 09/24/2021] [Indexed: 06/13/2023]
Abstract
To cope with the COVID-19 pandemic, various policy measures accompanied by health crisis communication were adopted in China to engage publics. In this study, we investigated how People's Daily communicated COVID-19 messages on Weibo. Drawing on the Appraisal Framework, we developed a three-stage mixed method approach to study 400 COVID-19 posts to identify the attitude resources employed and their association with public engagement. We found that attitudinal posts were more engaging than non-attitudinal posts. Judgment, both positive and negative, was positively associated with public engagement, whereas the use of positive Affect and Appreciation could be ineffective. These findings contribute to the understanding of how public engagement on social media can be enhanced through the use of attitudinal messages in health emergencies.
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Affiliation(s)
- Le Yao
- Faculty of Humanities, The Hong Kong Polytechnic University, Hong Kong, China
| | - Cindy Sing Bik Ngai
- Department of Chinese & Bilingual Studies, The Hong Kong Polytechnic University, Hong Kong, China
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17
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Chatterjee A, Woodruff H, Wu G, Lambin P. Limitations of Only Reporting the Odds Ratio in the Age of Precision Medicine: A Deterministic Simulation Study. Front Med (Lausanne) 2021; 8:640854. [PMID: 34055828 PMCID: PMC8163220 DOI: 10.3389/fmed.2021.640854] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Accepted: 04/21/2021] [Indexed: 11/24/2022] Open
Affiliation(s)
| | - Henry Woodruff
- The D-Lab, Maastricht University, Maastricht, Netherlands
| | - Guangyao Wu
- The D-Lab, Maastricht University, Maastricht, Netherlands
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18
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Guijarro C, Pérez-Fernández E, González-Piñeiro B, Meléndez V, Goyanes MJ, Renilla ME, Casas ML, Sastre I, Velasco M. Differential risk for COVID-19 in the first wave of the disease among Spaniards and migrants from different areas of the world living in Spain. Rev Clin Esp 2021; 221:264-273. [PMID: 38108497 PMCID: PMC7678416 DOI: 10.1016/j.rce.2020.10.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 10/27/2020] [Indexed: 12/16/2022]
Abstract
INTRODUCTION AND OBJECTIVES Little is known regarding the relevance of racial/ethnic background to the risk for COVID-19 infection, particularly in Europe. We evaluated the risk of COVID-19 among migrants from different areas of the world within the context of universal free access to medical care. MATERIAL AND METHODS We conducted a population-based cohort analysis of the cumulative incidence of PCR-confirmed COVID-19 among adult residents of Alcorcon (Spain) in the first wave of the disease up to April 25, 2020. RESULTS The crude cumulative incidence among migrants (n=20,419) was higher than among Spaniards (n=131,599): 8.81 and 6.51 and per 1,000 inhabitants, respectively (p<.001), but differed by region of origin. As per a negative binomial regression adjusted for age and sex, relative risk (RR) for COVID-19 for individuals from Europe, Asia, or North Africa was not significantly different from Spaniards. In contrast, a markedly increased risk was found for people from Sub-Saharan Africa (RR 3.66, 95% confidence interval (CI) 1.42-9.41, p=.007), the Caribbean (RR 6.35, 95% CI 3.83-10.55, p<.001), and Latin America (RR 6.92, 95% CI 4.49-10.67, p<.001). CONCLUSIONS Migrants from Sub-Saharan Africa, the Caribbean, and Latin America exhibited increased risk for COVID-19 as compared to Spaniards or migrants from Europe, North Africa, or Asia. Our data suggest that the ethnic background may play a role in risk for COVID-19. Migrants from some areas of the world may merit closer attention for both clinical and epidemiological reasons.
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Affiliation(s)
- C Guijarro
- Unidad de Medicina Interna, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España; Unidad de Investigación, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España; Departamento de Especialidades Médicas y Salud Pública, Universidad Rey Juan Carlos, Alcorcón, Madrid, España.
| | - E Pérez-Fernández
- Unidad de Investigación, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España
| | - B González-Piñeiro
- Sistemas de Información y Tecnología, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España
| | - V Meléndez
- Concejalía de Asuntos sociales, Mayores y Salud Pública, Ayuntamiento de Alcorcón, Alcorcón, Madrid, España
| | - M J Goyanes
- Unidad de Microbiología, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España
| | - M E Renilla
- Unidad de Urgencias, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España
| | - M L Casas
- Unidad de Laboratorio, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España
| | - I Sastre
- Sistemas de Información y Tecnología, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España
| | - M Velasco
- Unidad de Medicina Interna, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España; Unidad de Medicina Interna, Sección Infecciosas, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España; Unidad de Investigación, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, España; Departamento de Especialidades Médicas y Salud Pública, Universidad Rey Juan Carlos, Alcorcón, Madrid, España
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19
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Malagón-Rojas JN, Mercado M, Gómez-Rendón CP. SARS-CoV-2 and work-related transmission: results of a prospective cohort of airport workers, 2020. Rev Bras Med Trab 2021; 18:371-380. [PMID: 33688318 PMCID: PMC7934173 DOI: 10.47626/1679-4435-2020-681] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 09/17/2020] [Indexed: 01/10/2023] Open
Abstract
INTRODUCTION The coronavirus disease 2019 (COVID-19) pandemic has spread rapidly around the globe. Even though multiple strategies are available for controlling infectious respiratory diseases, the current approach for managing this pandemic is the prevention of person-to-person transmission. Despite the quarantine strategy, some work positions must remain active, such as airport personnel. OBJECTIVES To identify risk factors for COVID-19 transmission among workers at the El Dorado, Luis Carlos Galán Airport from March to July 2020. METHODS This is a prospective cohort study with workers of the El Dorado International Airport, in Bogotá, Colombia. A sociodemographic questionnaire was for searching for symptoms associated with COVID-19 and other risk factors. Nasopharyngeal swabs were collected for determining the presence of COVID-19. In order to identify seroconversion, we used an automated chemiluminescent immunoassay for anti-SARS-CoV-2 IgM and IgG antibodies. Patients with positive results were followed-up for 21 days. RESULTS We observed an incidence of infection of 7.9%; most cases were asymptomatic. The main risk factor associated with infection was the duration of daily commute (relative risk 1.02 [95% confidence interval, 1.002-1.041]). CONCLUSIONS We observed asymptomatic infection by COVID-19 among airport workers. Future research should contribute with knowledge for developing strategies that guarantee the protection of airport workers.
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Affiliation(s)
- Jeadran N Malagón-Rojas
- Doctorado en Salud Pública, Universidad El Bosque, Bogotá, Colombia
- Dirección de Investigación, Instituto Nacional de Salud, Bogotá, Colombia
| | - Marcela Mercado
- Dirección de Investigación, Instituto Nacional de Salud, Bogotá, Colombia
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20
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Guijarro C, Pérez-Fernández E, González-Piñeiro B, Meléndez V, Goyanes MJ, Renilla ME, Casas ML, Sastre I, Velasco M. Differential risk for COVID-19 in the first wave of the disease among Spaniards and migrants from different areas of the world living in Spain. Rev Clin Esp 2021; 221:264-273. [PMID: 33998512 DOI: 10.1016/j.rceng.2020.10.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 10/27/2020] [Indexed: 11/27/2022]
Abstract
INTRODUCTION AND OBJECTIVES Little is known regarding the relevance of racial/ethnic background to the risk for COVID-19 infection, particularly in Europe. We evaluated the risk of COVID-19 among migrants from different areas of the world within the context of universal free access to medical care. MATERIALS AND METHODS We conducted a population-based cohort analysis of the cumulative incidence of PCR-confirmed COVID-19 among adult residents of Alcorcon (Spain) in the first wave of the disease up to April 25, 2020. RESULTS The crude cumulative incidence among migrants (n = 20419) was higher than among Spaniards (n = 131599): 8.81 and 6.51 and per 1000 inhabitants, respectively (p < .001), but differed by region of origin. As per a negative binomial regression adjusted for age and sex, relative risk (RR) for COVID-19 for individuals from Europe, Asia, or North Africa was not significantly different from Spaniards. In contrast, a markedly increased risk was found in people from Sub-Saharan Africa (RR 3.66, 95% confidence interval (CI) 1.42-9.41, p = .007), the Caribbean (RR 6.35, 95% CI 3.83-10.55, p < .001), and Latin America (RR 6.92, 95% CI 4.49-10.67, p < .001). CONCLUSIONS Migrants from Sub-Saharan Africa, the Caribbean, and Latin America exhibited increased risk for COVID-19 as compared to Spaniards or migrants from Europe, North Africa, or Asia. Our data suggest ethnic background may play a role in risk for COVID-19. Migrants from some areas of the world may merit closer attention for both clinical and epidemiological reasons.
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Affiliation(s)
- C Guijarro
- Unidad de Medicina Interna, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, Spain; Unidad de Investigación, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, Spain; Departamento de Especialidades Médicas y Salud Pública, Universidad Rey Juan Carlos, Alcorcón, Madrid, Spain.
| | - E Pérez-Fernández
- Unidad de Investigación, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, Spain
| | - B González-Piñeiro
- Sistemas de Información y Tecnología, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, Spain
| | - V Meléndez
- Concejalía de Asuntos Sociales, Mayores y Salud Pública, Ayuntamiento de Alcorcón, Alcorcón, Madrid, Spain
| | - M J Goyanes
- Unidad de Microbiología, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, Spain
| | - M E Renilla
- Unidad de Urgencias, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, Spain
| | - M L Casas
- Unidad de Laboratorio, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, Spain
| | - I Sastre
- Sistemas de Información y Tecnología, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, Spain
| | - M Velasco
- Unidad de Medicina Interna, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, Spain; Unidad de Medicina Interna, Sección Infecciosas, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, Spain; Unidad de Investigación, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, Spain; Departamento de Especialidades Médicas y Salud Pública, Universidad Rey Juan Carlos, Alcorcón, Madrid, Spain
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21
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Mateen BA, Boakye N, Sonabend R, Russell N, Saverino A. The role of impulsivity in neurorehabilitation: A prospective cohort study of a potential cognitive biomarker for fall risk? J Neuropsychol 2020; 15:379-395. [PMID: 33377618 DOI: 10.1111/jnp.12239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Executive dysregulation and impulsivity can both predispose individuals to risk-prone actions. Although the risk of falls is well established in people with poor executive function, its association to impulsivity is less clear. PURPOSE To describe and assess the prognostic capabilities of the relationship between impulsivity, executive function, functional capability, and falls in the in-patient neurorehabilitation population. MATERIALS AND METHODS A prospective cohort study in a 26-bed neurorehabilitation unit in London, recruiting 121 patients, of whom 94 were deemed eligible for inclusion. Cognitive-behavioural assessment was undertaken using the short (16-item) version of the Urgency-Premeditation-Perseverance-Sensation Seeking-Positive Urgency (UPPS) impulsive behaviour scale, and the Trail Making Test (TMT). Patients also underwent a functional assessment at admission and discharge using the UK Functional Independence and Assessment Measure tool (FIM + FAM). The main outcome of interest was falling during an in-patient episode, which are routinely recorded in a computerized registry of adverse incidents. RESULTS Measurements of impulsivity (based on the UPPS-Short form) and executive function (based on the Trail Making Test) were not found to be significantly associated with functional improvement, or risk of falling. Predictive modelling experiments demonstrated that neither of the aforementioned results were capable of identifying individuals at risk of falling more accurately than an informed guess. CONCLUSION Where impulsivity is present, measurement using structured tools such as the UPPS may be informative to guide individualized rehabilitation programmes; however, its usefulness as the basis of risk prediction models for falls is less likely given the results of this study.
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Affiliation(s)
- Bilal A Mateen
- Wolfson Neuro Rehabilitation Centre, St George's Hospital, London, UK.,Kings College Hospital, London, UK
| | - Ndidi Boakye
- Wolfson Neuro Rehabilitation Centre, St George's Hospital, London, UK
| | - Raphael Sonabend
- Department of Statistical Science, University College London, UK
| | - Noreen Russell
- Wolfson Neuro Rehabilitation Centre, St George's Hospital, London, UK
| | - Alessia Saverino
- Wolfson Neuro Rehabilitation Centre, St George's Hospital, London, UK.,Rehabilitation Unit, ICS Maugeri, Genoa, Italy
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22
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Ngai CSB, Singh RG, Lu W. Exploring drivers for public engagement in social media communication with medical social influencers in China. PLoS One 2020; 15:e0240303. [PMID: 33027269 PMCID: PMC7540861 DOI: 10.1371/journal.pone.0240303] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 09/24/2020] [Indexed: 12/03/2022] Open
Abstract
Social networking sites offer an important means for increasing the accessibility and enabling new forms of health communication between the public and medical social influencers (MSIs). MSIs have a social presence and are perceived as a credible source of health-related information. A research gap, however, exists in understanding the communication strategies employed by MSIs and the factors driving the public to engage in health communication with MSIs. This study, therefore, developed a new conceptual framework incorporating health communication, dialogic and interpersonal communication by employing quantitative content analysis to examine public engagement with MSI communication on the largest microblogging site in China, Sina Weibo. The analysis yielded insights into how the usefulness of health-related information provided alongside the interactive dialogue and affective practices played an active role in engaging the public. The public sought health-related information primarily to address issues of concern for well-being and a high level of engagement in terms of online shares, likes, and comments was found. The use of multimedia made the site more appealing, resulting in likes while the expression of emotions by MSIs generated likes and comments. The need to connect with other online users and have a sense of community was reflected in engagement through sharing useful MSI posts by the public. By identifying influential MSIs on social networking sites, health information providers such as organizations and the government can raise awareness of health issues to foster a healthy lifestyle and contribute to better living in the community.
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Affiliation(s)
- Cindy Sing Bik Ngai
- Department of Chinese and Bilingual Studies, The Hong Kong Polytechnic University, Hong Kong SAR, China
- * E-mail:
| | - Rita Gill Singh
- Language Centre, Hong Kong Baptist University, Hong Kong SAR, China
| | - Wenze Lu
- Department of Chinese and Bilingual Studies, The Hong Kong Polytechnic University, Hong Kong SAR, China
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23
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Palominos PE, Coates L, Kohem CL, Orbai AM, Smolen J, de Wit M, Kiltz U, Leung YY, Cañete JD, Scrivo R, Balanescu A, Dernis E, Meisalu S, Soubrier M, Aydin SZ, Gaydukova I, Kalyoncu U, Gossec L. Determinants of sleep impairment in psoriatic arthritis: An observational study with 396 patients from 14 countries. Joint Bone Spine 2020; 87:449-454. [DOI: 10.1016/j.jbspin.2020.03.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 03/31/2020] [Indexed: 01/07/2023]
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24
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Ngai CSB, Singh RG, Lu W, Koon AC. Grappling With the COVID-19 Health Crisis: Content Analysis of Communication Strategies and Their Effects on Public Engagement on Social Media. J Med Internet Res 2020; 22:e21360. [PMID: 32750013 PMCID: PMC7446717 DOI: 10.2196/21360] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/29/2020] [Accepted: 08/03/2020] [Indexed: 01/23/2023] Open
Abstract
Background The coronavirus disease (COVID-19) has posed an unprecedented challenge to governments worldwide. Effective government communication of COVID-19 information with the public is of crucial importance. Objective We investigate how the most-read state-owned newspaper in China, People’s Daily, used an online social networking site, Sina Weibo, to communicate about COVID-19 and whether this could engage the public. The objective of this study is to develop an integrated framework to examine the content, message style, and interactive features of COVID-19–related posts and determine their effects on public engagement in the largest social media network in China. Methods Content analysis was employed to scrutinize 608 COVID-19 posts, and coding was performed on three main dimensions: content, message style, and interactive features. The content dimension was coded into six subdimensions: action, new evidence, reassurance, disease prevention, health care services, and uncertainty, and the style dimension was coded into the subdimensions of narrative and nonnarrative. As for interactive features, they were coded into links to external sources, use of hashtags, use of questions to solicit feedback, and use of multimedia. Public engagement was measured in the form of the number of shares, comments, and likes on the People’s Daily’s Sina Weibo account from January 20, 2020, to March 11, 2020, to reveal the association between different levels of public engagement and communication strategies. A one-way analysis of variance followed by a post-hoc Tukey test and negative binomial regression analysis were employed to generate the results. Results We found that although the content frames of action, new evidence, and reassurance delivered in a nonnarrative style were predominant in COVID-19 communication by the government, posts related to new evidence and a nonnarrative style were strong negative predictors of the number of shares. In terms of generating a high number of shares, it was found that disease prevention posts delivered in a narrative style were able to achieve this purpose. Additionally, an interaction effect was found between content and style. The use of a narrative style in disease prevention posts had a significant positive effect on generating comments and likes by the Chinese public, while links to external sources fostered sharing. Conclusions These results have implications for governments, health organizations, medical professionals, the media, and researchers on their epidemic communication to engage the public. Selecting suitable communication strategies may foster active liking and sharing of posts on social media, which in turn, might raise the public’s awareness of COVID-19 and motivate them to take preventive measures. The sharing of COVID-19 posts is particularly important because this action can reach out to a large audience, potentially helping to contain the spread of the virus.
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Affiliation(s)
- Cindy Sing Bik Ngai
- The Department of Chinese and Bilingual Studies, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, Hong Kong (China)
| | - Rita Gill Singh
- The Language Centre, Hong Kong Baptist University, Hong Kong, Hong Kong (China)
| | - Wenze Lu
- The Department of Chinese and Bilingual Studies, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, Hong Kong (China)
| | - Alex Chun Koon
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong (China)
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25
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Arias-Hernández G, Vargas-De-León C, Calzada-Mendoza CC, Ocharan-Hernández ME. Efficacy of Diltiazem for the Control of Blood Pressure in Puerperal Patients with Severe Preeclampsia: A Randomized, Single-Blind, Controlled Trial. Int J Hypertens 2020; 2020:5347918. [PMID: 32774912 PMCID: PMC7397380 DOI: 10.1155/2020/5347918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 06/08/2020] [Accepted: 07/01/2020] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Postpartum preeclampsia is a serious disease related to high blood pressure that occurs commonly within the first six days after delivery. OBJECTIVE To evaluate if diltiazem improves blood pressure parameters in early puerperium patients with severe preeclampsia. Methodology. A randomized, single-blind longitudinal clinical trial of 42 puerperal patients with severe preeclampsia was carried out. Patients were randomized into two groups: the experimental group (n = 21) received diltiazem (60 mg) and the control group (n = 21) received nifedipine (10 mg). Both drugs were orally administered every 8 hours. Systolic, diastolic, and mean blood pressures as well as the heart rate were recorded and analyzed (two-way repeated measures ANOVA) at baseline and after 6, 12, 18, 24, 30, 36, 42, and 48 hours. Primary outcome measures were all the aforementioned blood pressure parameters. Secondary outcome measures included the number of hypertension and hypotension episodes along with the length of stay in the intensive care unit. RESULTS No statistical differences were found between groups (diltiazem vs. nifedipine) regarding basal blood pressure parameters. Interarm differences in blood pressure (systolic, diastolic, and mean) and heart rate were statistically significant between treatment groups from 6 to 48 hours. Patients in the diltiazem group had lower blood pressure levels than patients in the nifedipine group. Significantly, patients who received diltiazem had fewer hypertension and hypotension episodes and stayed fewer days in the intensive care unit than those treated with nifedipine. CONCLUSIONS Diltiazem controlled arterial hypertension in a more effective and uniform manner in patients under study than nifedipine. Patients treated with diltiazem had fewer collateral effects and spent less time in the hospital. This trial is registered with NCT04222855.
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Affiliation(s)
- Gilberto Arias-Hernández
- Hospital De La Mujer, Prolongación Salvador Díaz Mirón 374, Colonia Santo Tomas, Delegación Miguel Hidalgo, C. P. 11340, México D. F., Mexico
| | - Cruz Vargas-De-León
- Facultad De Matemáticas, Universidad Autónoma De Guerrero, Chilpancingo, Av. Lázaro Cárdenas S/N, Cd. Universitaria, 39087 Chilpancingo, Guerrero, Mexico
- Instituto Politécnico Nacional Escuela Superior De Medicina, Plan De San Luis Y Díaz Mirón SN, Col. Casco De Santo Tomás, Delegación Miguel Hidalgo, C. P. 11340, México D. F, Mexico
| | - Claudia C Calzada-Mendoza
- Instituto Politécnico Nacional Escuela Superior De Medicina, Plan De San Luis Y Díaz Mirón SN, Col. Casco De Santo Tomás, Delegación Miguel Hidalgo, C. P. 11340, México D. F, Mexico
| | - María Esther Ocharan-Hernández
- Instituto Politécnico Nacional Escuela Superior De Medicina, Plan De San Luis Y Díaz Mirón SN, Col. Casco De Santo Tomás, Delegación Miguel Hidalgo, C. P. 11340, México D. F, Mexico
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Varela-Castro L, Alvarez V, Sevilla IA, Barral M. Risk factors associated to a high Mycobacterium tuberculosis complex seroprevalence in wild boar (Sus scrofa) from a low bovine tuberculosis prevalence area. PLoS One 2020; 15:e0231559. [PMID: 32302328 PMCID: PMC7164644 DOI: 10.1371/journal.pone.0231559] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 03/25/2020] [Indexed: 11/29/2022] Open
Abstract
Animal tuberculosis is a worldwide zoonotic disease caused principally by Mycobacterium bovis, a member of the Mycobacterium tuberculosis complex (MTC). In southern Iberian Peninsula, wild reservoirs such as the wild boar, among other factors, have prevented the eradication of bovine tuberculosis. However, most of the studies have been focused on south-central Spain, where the prevalence of tuberculosis is high among wild ungulates and cattle herds. In northern regions, where wild boar density and bovine tuberculosis prevalence are lower, fewer studies have been carried out and the role of this species is still under debate. The aim of this study was to describe the temporal and spatial distribution of antibodies against MTC in wild boar from the Basque Country, northern Spain. Sera from 1902 animals were collected between 2010 and 2016. The seroprevalence was determined with an in house enzyme-linked immunosorbent assay and the search of risk factors was assessed by Generalized Linear Models. Overall, 17% of wild boars (326/1902; 95%CI, [15.5%–18.9%]) showed antibodies against MTC. Risk factors associated with seropositivity were the year and location of sampling, the number of MTC positive cattle, the distance to positive farms and the percentage of shrub cover. Younger age classes were associated with increased antibody titres among seropositive individuals. The seroprevalence detected was higher than those previously reported in neighbouring regions. Hence, further studies are needed to better understand the role of wild boar in the epidemiology of tuberculosis in low tuberculosis prevalence areas and consequently, its relevance when developing control strategies.
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Affiliation(s)
- Lucía Varela-Castro
- Animal Health Department, NEIKER-Instituto Vasco de Investigación y Desarrollo Agrario, Derio, Bizkaia, Spain
| | - Vega Alvarez
- Animal Health Department, NEIKER-Instituto Vasco de Investigación y Desarrollo Agrario, Derio, Bizkaia, Spain
| | - Iker A. Sevilla
- Animal Health Department, NEIKER-Instituto Vasco de Investigación y Desarrollo Agrario, Derio, Bizkaia, Spain
| | - Marta Barral
- Animal Health Department, NEIKER-Instituto Vasco de Investigación y Desarrollo Agrario, Derio, Bizkaia, Spain
- * E-mail:
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