A hidden vulnerable population: Young children up-to-date on vaccine series recommendations except influenza vaccines

Very young children (under 2 years old) have high risk for influenza-related complications. Children 6 months or older in the US are recommended to receive influenza vaccination annually, yet uptake is substantially lower than other routinely-recommended vaccines. Existing nationally-representative studies on very young child influenza vaccine uptake has several limitations: few examine provider-verified influenza vaccination (relying on parental report), few contain parental vaccine attitudes variables (known to be crucial to vaccine uptake), and none to our knowledge consider intersectionality of social disadvantage nor how influenza vaccine determinants differ from those of other recommended vaccines. This nationally-representative study examines provider-verified data on 7,246 children aged 6–23 months from the most recent (2011) National Immunization Survey to include the restricted Parental Concerns module, focusing on children up-to-date on a series of vaccines (the 4:3:1:3:3:1:4 series) but not influenza vaccines (“hidden vulnerability to influenza”). About 71% of children were up-to-date on the series yet only 33% on influenza vaccine recommendations by their second birthday; 44% had hidden vulnerability to influenza. Independent of parental history of vaccine refusal and a myriad of health services use factors, no parental history of delaying vaccination was associated with 7.5% (2.6–12.5) higher probability of hidden vulnerability to influenza despite being associated with 15.5% (10.8–20.2) lower probability of being up-to-date on neither the series nor influenza vaccines. Thus, parental compliance with broad child vaccine recommendations and lack of vaccine hesitancy may not indicate choice to vaccinate children against influenza. Examination of intersectionality suggests that maternal college education may not confer improved vaccination among non-Hispanic Black and Hispanic children despite that it does for non-Hispanic White children. Policymakers and researchers from public health, sociology, and other sectors need to collaborate to further examine how vaccine hesitancy and intersectional social disadvantage interact to affect influenza vaccine uptake in young US children.

Child Influenza Vaccination and Adult Work Loss: Reduced Sick Leave Use Only in Adults With Paid Sick Leave

INTRODUCTION

Children are a population of interest for influenza. They are at increased risk for severe influenza, comprise a substantial portion of influenza morbidity, and significantly contribute to its transmission in the household and subsequent parental work loss. The association between influenza vaccination and work loss prevention, however, has rarely been studied, and the sparse existing literature has very limited generalizability to U.S. adults, thus requiring better characterization.

METHODS

Using pooled National Health Interview Survey data (2013-2015, analyses conducted in 2018) nationally representative of working U.S. adults with household children (n=23,014), zero-inflated negative binomial regression examined the association of child influenza vaccination (exposure) with sick days (outcome) stratified by paid sick leave (no: n=10,741, yes: n=12,273).

RESULTS

Child influenza vaccination was associated with significantly lower sick day usage, but only among adults with paid sick leave (prevalence rate ratio=0.79, 95% CI=0.67, 0.93), equating to average annual sick days of 4.07 vs 3.29 in adults with unvaccinated versus vaccinated household children (difference=0.78 fewer days annually).

CONCLUSIONS

Influenza vaccination of children is associated with reduced sick leave in household adults, helping to keep the workforce healthy and reduce influenza's costly annual economic burden. This only occurred among adults with paid sick leave, however, which is distributed inequitably by income, education, gender, occupation, and race/ethnicity. Health in All Policies considers downstream health effects of social and economic policy; the failure of federal policy to ensure paid sick leave likely contributes to propagating influenza and health inequities.

Diabetes management in Senegalese families: A dyadic-narrative illustration

Objectives In many Sub-Saharan African cultures, diabetes self-management behaviors such as dietary adherence do not occur in isolation but are carried out in the context of local culture, a significant factor in shaping those health behaviors. Methods Using a family-based narrative approach, we explore how Senegalese families manage diabetes. We interviewed twenty people living with diabetes and selected family caregivers from MBour, Senegal. Results We found that people living with diabetes experienced physical, emotional, and financial stressors as a result of managing their condition. In addition, family caregivers play an important role in managing their family member's diabetes. Discussion The act of caregiving affects caregiver diabetes prevention behaviors. In some cases, this caregiving role leads to an increase of healthy behaviors such as reducing dietary sugar; however, in some cases, caregivers do not see the need to engage in healthy behaviors. Diabetes prevention and management interventions that support both Senegalese people living with diabetes and their family caregivers are warranted.

Breastfeeding Trends Among Very Low Birth Weight, Low Birth Weight, and Normal Birth Weight Infants

OBJECTIVE

To examine the change in breastfeeding behaviors over time, among low birth weight (LBW), very low birth weight (VLBW), and normal birth weight (NBW) infants using nationally representative US data.

STUDY DESIGN

Univariate statistics and bivariate logistic models were examined using the Early Child Longitudinal Study-Birth Cohort (2001) and National Study of Children's Health (2007 and 2011/2012).

RESULTS

Breastfeeding behaviors improved for infants of all birth weights from 2007 to 2011/2012. In 2011/2012, a higher percentage of VLBW infants were ever breastfed compared with LBW and NBW infants. In 2011/2012, LBW infants had a 28% lower odds (95% CI, 0.57-0.92) of ever breastfeeding and a 52% lower odds (95% CI, 0.38-0.61) of breastfeeding for ≥6 months compared with NBW infants. Among black infants, a larger percentage of VLBW infants were breastfed for ≥6 months (26.2%) compared with LBW infants (14.9%).

CONCLUSIONS

Breastfeeding rates for VLBW and NBW infants have improved over time. Both VLBW and NBW infants are close to meeting the Healthy People 2020 ever breastfeeding goal of 81.9%. LBW infants are farther from this goal than VLBW infants. The results suggest a need for policies that encourage breastfeeding specifically among LBW infants.

Reports of self-rated health by citizenship and homeownership, United States 2000-2010

Citizenship facilitates home ownership, which promotes access to additional resources and structures social context, factors that improve the health of individuals and communities. The objective of this study was to examine whether citizenship moderated the association between homeownership and self-rated health. We used multivariate logistic regression models and propensity score matching techniques to examine this association using pooled years 2000-2010 of the Medical Expenditure Panel Survey data linked with the National Health Interview Survey to examine U.S. adults aged 18 and older (N=170,429). Rates of fair/poor health among homeowners vs. non-homeowners were comparable for foreign-born non-citizens. However, native- and foreign-born citizen non-homeowners showed significantly higher rates of reporting fair/poor health, with native-born citizens having the highest rates of poor health. While homeownership is protective for self-rated health, not meeting the "American Dream" of home ownership may be embodied more in the health of native-born citizens as "failure" and translate into poorer self-rated health. However, the economic privileges of homeownership and its association with better self-rated health are limited to citizens. Non-citizens may be disadvantaged despite socioeconomic position, particularly wealth as considered by homeownership, placing citizenship at the forefront as the most proximate and important burden besides socioeconomic status that needs further investigation as a fundamental health determinant.

Citizenship, length of stay, and screening for breast, cervical, and colorectal cancer in women, 2000-2010

BACKGROUND

Two factors jointly account for significant gaps in access to health care among immigrants who are present in the U.S.-legal status, and length of residence. The objective of this study is to examine the association between citizenship and length of residence in the U.S. and cancer screening (breast, cervical, and colorectal) among women.

METHODS

We analyzed 11 years (2000-2010) of consolidated data from the Medical Expenditure Panel Survey linked with the National Health Interview Survey. Multivariate analyses compared cancer screening among U.S.-born citizens (n = 58,484), immigrant citizens (n = 8,404), and immigrant non-citizens (n = 6,564).

RESULTS

Immigrant non-citizens living in the U.S. for less than 5 years were less likely to receive guideline-concordant breast (OR = 0.68 [0.53-0.88]), cervical (OR = 0.65 [0.54-0.78]), and colorectal (OR = 0.31 [0.19-0.50]) cancer screening compared to U.S.-born citizens. Immigrant citizens and non-citizens living in the U.S. for 5 years or more had higher odds of being screened for breast and cervical cancer compared to U.S.-born citizens; (OR = 1.26 [1.13-1.41] and OR = 1.17 [1.06-1.29]) for immigrant citizens, (OR = 1.28 [1.13-1.45] and OR = 1.23 [1.09-1.38]) for non-citizens. Immigrant non-citizens living in the U.S. for 5 years or more had lower odds of being screened for colorectal cancer compared to U.S.-born citizens (OR = 0.76 [0.65-0.90]).

CONCLUSIONS

Based on these findings, duration mandates in immigration policy may indirectly influence future pathways to preventive health care and cancer disparities disproportionately affecting immigrant women. We suggest that limits of duration mandates be reevaluated, as they may offer pathways to preventive health care for this vulnerable population, and prevent future cancer disparities.

Disparities in Patient- and Family-Centered Care During US Children's Health Care Encounters: A Closer Examination

OBJECTIVE

Patient- and family-centered care (PFCC), which recognizes the family as an integral partner in high-quality clinical decision-making, is important to improving children's health care. Studies examining PFCC disparities in the general US pediatric population, however, are sparse, and use methodology that might mislead readers to overestimate effect sizes because of the high prevalence of high-quality PFCC. We address these issues using improved statistical modeling of conceptually-grounded disparity domains on more recent data.

METHODS

This study examined 22,942 children in the 2011 to 2013 Medical Expenditure Panel Surveys (pooled cross-section) with at least 1 health care visit in the previous year (eligible for PFCC questions). We used robust-adjusted multivariable Poisson regression to estimate prevalence rate ratios-closer estimates of true risk ratios of highly prevalent outcomes-of 4 measures of high-quality PFCC and a composite measure.

RESULTS

Overall, PFCC quality prevalences were high, ranging from 95% to 97% across the 4 PFCC measures with 92% of parents reporting the composite measure. In multivariable analyses, lower prevalence of high-quality PFCC was consistently observed among publicly insured children (relative to the privately insured, prevalence rate ratios ranging from 0.978 to 0.984 across the PFCC measures; 0.962 in the composite) and children living in families below the poverty line (children at ≥400% of the poverty line had 1.018-1.045 times the prevalence of high-quality PFCC across the PFCC measures; 1.056 in the composite).

CONCLUSIONS

Although prevalence rate ratio methodology revealed smaller and perhaps clinically insignificant disparities in US children's PFCC quality than previously portrayed, nonetheless, several statistically significant disparities remain. The most consistent disparities identify those most vulnerable to PFCC quality: publicly insured and impoverished children.

Complementary and Alternative Medicine and Influenza Vaccine Uptake in US Children

BACKGROUND

Complementary and alternative medicine (CAM) is increasingly used in the United States. Although CAM is mostly used in conjunction with conventional medicine, some CAM practitioners recommend against vaccination, and children who saw naturopathic physicians or chiropractors were less likely to receive vaccines and more likely to get vaccine-preventable diseases. Nothing is known about how child CAM usage affects influenza vaccination.

METHODS

This nationally representative study analyzed ∼9000 children from the Child Complementary and Alternative Medicine File of the 2012 National Health Interview Survey. Adjusting for health services use factors, it examined influenza vaccination odds by ever using major CAM domains: (1) alternative medical systems (AMS; eg, acupuncture); (2) biologically-based therapies, excluding multivitamins/multiminerals (eg, herbal supplements); (3) multivitamins/multiminerals; (4) manipulative and body-based therapies (MBBT; eg, chiropractic manipulation); and (5) mind-body therapies (eg, yoga).

RESULTS

Influenza vaccination uptake was lower among children ever (versus never) using AMS (33% vs 43%; P = .008) or MBBT (35% vs 43%; P = .002) but higher by using multivitamins/multiminerals (45% vs 39%; P < .001). In multivariate analyses, multivitamin/multimineral use lost significance, but children ever (versus never) using any AMS or MBBT had lower uptake (respective odds ratios: 0.61 [95% confidence interval: 0.44-0.85]; and 0.74 [0.58-0.94]).

CONCLUSIONS

Children who have ever used certain CAM domains that may require contact with vaccine-hesitant CAM practitioners are vulnerable to lower annual uptake of influenza vaccination. Opportunity exists for US public health, policy, and medical professionals to improve child health by better engaging parents of children using particular domains of CAM and CAM practitioners advising them.

Racial/Ethnic Disparities in Influenza Vaccination of Chronically Ill US Adults: The Mediating Role of Perceived Discrimination in Health Care

BACKGROUND

Despite well-established programs, influenza vaccination rates in US adults are well below federal benchmarks and exhibit well-documented, persistent racial and ethnic disparities. The causes of these disparities are multifactorial and complex, though perceived racial/ethnic discrimination in health care is 1 hypothesized mechanism.

OBJECTIVES

To assess the role of perceived discrimination in health care in mediating influenza vaccination RACIAL/ETHNIC disparities in chronically ill US adults (at high risk for influenza-related complications).

RESEARCH DESIGN

We utilized 2011-2012 data from the Aligning Forces for Quality Consumer Survey on health and health care (n=8127), nationally representative of chronically ill US adults. Logistic regression marginal effects examined the relationship between race/ethnicity and influenza vaccination, both unadjusted and in multivariate models adjusted for determinants of health service use. We then used binary mediation analysis to calculate and test the significance of the percentage of this relationship mediated by perceived discrimination in health care.

RESULTS

Respondents reporting perceived discrimination in health care had half the uptake as those without discrimination (32% vs. 60%, P=0.009). The change in predicted probability of vaccination given perceived discrimination experiences (vs. none) was large but not significant in the fully adjusted model (-0.185; 95% CI, -0.385, 0.014). Perceived discrimination significantly mediated 16% of the unadjusted association between race/ethnicity and influenza vaccination, though this dropped to 6% and lost statistical significance in multivariate models.

CONCLUSIONS

The causes of persistent racial/ethnic disparities are complex and a single explanation is unlikely to be sufficient. We suggest reevaluation in a larger cohort as well as potential directions for future research.

Healthcare Use and Mammography Among Latinas With and Without Health Insurance Near the US-Mexico Border

INTRODUCTION

Among Latinas, lacking health insurance and having lower levels of acculturation are associated with disparities in mammography screening.

OBJECTIVE

We seek to investigate whether differences in lifetime mammography exist between Latina border residents by health insurance status and health care site (i.e., U.S. only or a combination of U.S. and Mexican health care).

METHODS

Using data from the 2009 to 2010 Ecological Household Study on Latino Border Residents, mammography screening was examined among (n = 304) Latinas >40 years old.

RESULTS

While more acculturated women were significantly (p < .05) more likely to report ever having a mammogram than less acculturated women, ever having a mammogram was not predicted by health care site or insurance status.

CONCLUSION

Latinas who utilize multiple systems of care have lower levels of acculturation and health insurance, thus representing an especially vulnerable population for experiencing disparities in mammography screening.

User Perceptions of ¡Protéjase!: An Intervention Designed to Increase Protective Equipment Use Among Mexican Immigrant and Mexican American Farmworkers

BACKGROUND

Farmworkers' exposures to pesticides are reduced when they wear personal protective equipment (PPE), and mobile health (mHealth) platforms can potentially deliver information to farmworkers to help promote PPE use. However, little is known about the feasibility of using mHealth platforms to promote farmworkers' use of PPE.

OBJECTIVE

The objective of the study was to describe the development and feasibility-testing of Protect Yourself! (¡Protéjase!), an intervention designed to increase PPE use. As the vast majority of farmworkers in the United States are from Mexico, we examined the intervention in a primarily Mexican-origin farmworker population.

METHODS

¡Protéjase was developed in several steps. First, we performed ethnographic observations to understand what prevents PPE use. Next, we developed program components that met the challenges uncovered in the ethnographic observations, seeking direct feedback from farmworkers on each component. Feasibility was assessed using surveys and focus groups. Material was provided in Spanish or English at the preference of the participant. Finally, we pilot tested each component of the intervention, including: (1) PPE that was provided to each worker for their personal use during the intervention trial, and (2) delivery of an application-based tool that promoted the use of PPE through daily individualized messaging.

RESULTS

55 farmworkers enrolled in the study, but only 41 of 55 (75%) completed the entire pilot intervention trial. Results focus on the evaluation of the intervention, and include only those who completed the entire trial. Among farmworkers who completed the entire intervention trial, all but two farmworkers were born in Mexico and were Spanish speaking. Still, all study participants self-identified as Mexican or Mexican-American. When asked what changes were needed in the intervention's messaging or delivery to increase user satisfaction, 22 out of 41 participants (54%) felt that no changes were needed. However, 16 of 41 participants (39%) suggested small changes to messaging (eg, refer to long pants as pants only) to improve their understanding of the messages. Finally, a small number (3 of 41 participants, 7%) felt that messages were difficult to read, primarily due to low literacy.

CONCLUSIONS

The ¡Protéjase! mHealth program demonstrated very good feasibility, satisfaction, and acceptance; potential improvements (eg, small modifications in messaging to increase farmworkers' use) were noted. Overall, the PPE provided to workers as well as the mHealth platform were both perceived as useful for promoting PPE use.

Trends in cancer screening by citizenship and health insurance, 2000-2010

While early detection through screenings for breast, cervical, and colorectal cancer is essential in improving cancer survival, it is not evenly utilized across class, race, ethnicity, or nativity. Given that utilization of early detection through screenings is not evenly distributed, immigrants who have much lower rates of health insurance coverage are at a disadvantage. We use National Health Interview Survey data linked with the Medical Expenditures Panel Survey to examine the trend in screening rates for breast, cervical, and colorectal cancer from 2000 to 2010, comparing U.S.-born natives, foreign-born citizens, and foreign-born non-citizens. We find that citizenship is clearly advantageous for the foreign-born, and that screening rates are higher among citizens compared to non-citizens overall, but uninsured non-citizens sometimes have higher screening rates that uninsured natives. Health insurance is pivotal for higher screening rates with clear differences among the insured and uninsured. Policies aimed at reducing disparities in cancer screening need to take into account nativity, citizenship, and access to health insurance.

The association of generation status and health insurance among U.S. children

BACKGROUND

The Patient Protection and Affordable Care Act (ACA) has the potential to reduce the number of uninsured children in the United States by as much as 40%. The extent to which immigrant families are aware of and interested in obtaining insurance for their children is unclear.

METHODS

Data from the 2011-2012 National Survey of Children's Health were analyzed to examine differences by immigrant generational status in awareness of children's health insurance options. Adjusted odds ratios (AORs) were calculated for each outcome variable that showed statistical significance by generation status.

RESULTS

Barriers to obtaining insurance for children in immigrant (first- and second-generation) families include awareness of and experience with various health insurance options, perceived costs and benefits of insurance, structural/policy restrictions on eligibility, and lower likelihood of working in large organizations that offer employee insurance coverage. Although noncitizen immigrants are not covered by ACA insurance expansions, only 38% of first-generation families report being uninsured because of the inability to meet citizenship requirements. Most families in this sample also worked for employers with <50 employees, making them less likely to benefit from expansions in employer-based insurance. In multivariate analyses, third-generation families have increased odds of knowing how to enroll in health insurance (AOR 7.1 [3.6-13.0]) and knowing where to find insurance information (AOR 7.7 [3.8-15.4]) compared with first-generation families.

CONCLUSIONS

ACA navigators and health services professionals should be aware of potential unique challenges to helping immigrant families negotiate Medicaid expansions and state and federal exchanges.

Do medical homes reduce disparities in receipt of preventive services between children living in immigrant and non-immigrant families?

The patient-centered medical home model has the potential to reduce healthcare disparities among immigrant children. The purpose of this study is to examine the relationship between medical home (MH) participation and receipt of preventive services among immigrant children age 0-17. The study employed extant data from the National Survey of Children's Health, 2007 (NSCH). Logistic regression analyses were employed to assess the relationship between receipt of preventive services and MH status among immigrant and non-immigrant children. Due to primarily the lack of family-centered care, only 40% of immigrant children met the medical home criteria versus approximately 62% of non-immigrant children. Immigrant children have decreased odds of receiving preventive care despite MH status. Improving the family-centered care aspect of the MH is necessary to increasing medical home access to immigrant children and the receipt of preventive services for immigrant children who meet the MH criteria.

Using colorectal trends in the U.S. to identify unmet primary care needs of vulnerable populations

BACKGROUND

Colorectal cancer screening (CRC) disparities have worsened in recent years.

OBJECTIVE

To examine progress toward Healthy People 2010 goals for CRC screening among ethnic/racial groups, including disaggregated Latino groups.

METHODS

Multivariate logistic regressions examined associations between ethnicity/race and primary outcomes of self-reported guideline-concordant CRC screenings considering time trends for 65,947 respondents of the Medical Expenditure Panel Survey from 2000 to 2007 age 50-years and older from six groups (non-Latino White, non-Latino Black, Puerto Rican, Cuban, Mexican, and Other Latino). We also tested for modification effects by education, income, and health insurance.

RESULTS

Most groups approached Healthy People 2010 CRC screening rate goals, including non-Latino Whites (47%), non-Latino Blacks (42%) and Puerto Ricans (40%), while Mexicans remained disparately lower (28%). Higher education, income and insurance coverage, partially attenuated this lower likelihood, but Mexican rates remained significantly lower than non-Latino Whites for receiving endoscopy in the past 5 years {OR(95% CI)=0.68(0.59-0.77)} and having received any CRC screening {0.70(0.62-0.79)}.

CONCLUSIONS

Among ethnic/racial groups examined, only Mexicans met healthcare disparity criteria in CRC screening. Findings suggest that healthcare equity goals can be attained if resources affecting continuity of care or ability to pay for preventive services are available, and targeted populations are adequately identified.

Gender differences in sociodemographic and behavioral influences of physical activity in Mexican-origin adolescents

BACKGROUND

Understanding the factors that contribute to physical activity (PA) in Mexican-origin adolescents is essential to the design of effective efforts to enhance PA participation in this population.

METHODS

Multivariable logistic regression was used to identify sociodemographic and behavioral correlates of self-reported PA in school and community settings in 1154 Mexican-origin adolescents aged 12-17 years in Houston, TX.

RESULTS

The majority of adolescents were born in the US (74%), approximately half (51%) were overweight or obese, and nearly three-quarters (73%) watched more than 2 hours of weekday television. Similarities and differences by setting and gender were observed in the relationships between sociodemographic and behavioral characteristics and PA. In boys, parental education and attending physical education (PE) were positively associated with PA across multiple PA outcomes. Adolescent linguistic acculturation was inversely associated with participation in community sports, whereas parental linguistic acculturation was positively associated with PA at school. In girls, PA in school and community settings was inversely associated with TV viewing and positively associated with PE participation.

CONCLUSIONS

These findings highlight similarities and differences in correlates of PA among boys and girls, and point toward potential sources of opportunities as well as disparities for PA behaviors in Mexican-origin adolescents.

Strategies for Recruitment of Healthy Premenopausal Women into the African American Nutrition for Life (A NULIFE) Study

BACKGROUND

Although African American women have an overall lower incidence of breast cancer, African American women <40 years of age are more likely than Caucasian women of all ages and postmenopausal African American women to be diagnosed with breast cancer and exhibit tumor characteristics associated with poorer survival. To begin to address this disparity, studies must be conducted to examine breast cancer preventive factors in this subpopulation of women. However, the strategies needed to recruit younger African American women have not been well defined.

METHODS

In this study, we assessed methods used for recruiting and retaining healthy premenopausal African American women into the African American Nutrition for Life (A NULIFE) Study. The number of women contacted, enrolled, and retained by each recruitment strategy and the efficiency of individual strategies were calculated.

RESULTS

Overall, recruitment through social networking was most effective in contacting large numbers of healthy premenopausal African American women. The worksite recruitment method was the most efficient recruitment strategy employed, with a ratio of 40%. The study participants (n = 164) were more likely to be >or=35 years of age and have completed some college. Additionally, the interpersonal relationships recruitment approach proved most efficient (33%) in retaining participants who completed the yearlong study.

CONCLUSIONS

The findings from this study add to the evolving research literature on minority recruitment strategies for research studies but specifically address effective recruitment of healthy young premenopausal African American women. The results demonstrate the need to use multiple recruitment strategies when recruiting this subgroup of African American women.

Medical expenditures among immigrant and nonimmigrant groups in the United States: findings from the Medical Expenditures Panel Survey (2000-2008)

OBJECTIVE

The objective of the study was to examine time trends and differences in medical expenditures between noncitizens, foreign-born, and US-born citizens.

METHODS

We used multi-year Medical Expenditures Panel Survey (2000-2008) data on noninstitutionalized adults in the United States (N=190,965). Source specific and total medical expenditures were analyzed using regression models, bootstrap prediction techniques, and linear and nonlinear decomposition methods to evaluate the relationship between immigration status and expenditures, controlling for confounding effects.

RESULTS

We found that the average health expenditures between 2000 and 2008 for noncitizens immigrants ($1836) were substantially lower compared with both foreign-born ($3737) and US-born citizens ($4478). Differences were maintained after controlling for confounding effects. Decomposition techniques showed that the main determinants of these differences were the availability of a usual source of health care, insurance, and ethnicity/race.

CONCLUSIONS

Lower health care expenditures among immigrants result from disparate access to health care. The dissipation of demographic advantages among immigrants could prospectively produce higher pressures on the US health care system as immigrants age and levels of chronic conditions rise. Barring a shift in policy, the brunt of the effects could be borne by an already overextended public health care system.

More than culture: structural racism, intersectionality theory, and immigrant health

Explanations for immigrant health outcomes often invoke culture through the use of the concept of acculturation. The over reliance on cultural explanations for immigrant health outcomes has been the topic of growing debate, with the critics' main concern being that such explanations obscure the impact of structural factors on immigrant health disparities. In this paper, we highlight the shortcomings of cultural explanations as currently employed in the health literature, and argue for a shift from individual culture-based frameworks, to perspectives that address how multiple dimensions of inequality intersect to impact health outcomes. Based on our review of the literature, we suggest specific lines of inquiry regarding immigrants' experiences with day-to-day discrimination, as well as on the roles that place and immigration policies play in shaping immigrant health outcomes. The paper concludes with suggestions for integrating intersectionality theory in future research on immigrant health.

Breast cancer screening trends in the United States and ethnicity

BACKGROUND

The study objectives were to compare and examine mammography use trends among ethnic/racial women in the context of United States Healthy People 2010 goals.

METHODS

We analyzed pooled, multistage probability sample data from the 1996-2007 Medical Expenditure Panel Survey. Included in the sample were female respondents of ages 40 to 75 years (N = 64,811) from six ethnic/racial groups (Black, White, Mexican, Other Latinas, Puerto Rican, and Cuban). The primary outcome was self-reported, past two-year mammography use consistent with screening practice guidelines.

RESULTS

We found that for most U.S. women, the Healthy People 2010 mammography goal (70%) was achieved between 1996 and 2007. Puerto Rican and White women, respectively, had the highest mammography rates, and Black and Cuban women had rates that approached the 2010 goal.

CONCLUSION

Mexican Latinas reported the lowest rates of past two-year mammography; however, factors enabling healthcare access markedly moderated this lower likelihood. From 2000, Mexican Latinas' mammography use was markedly below (10%) the Healthy People 2010 goal and remained there for the duration.

IMPACT

Our findings indicate that healthcare equity goals are attainable if efforts are made to reach a sizeable portion of vulnerable populations.

Pathways Between Acculturation and Health

The purpose of this study was to assess the association between acculturation and functional health using multiple proxies of acculturation to examine explanatory pathways to clarify disparate health findings. A population-based cross-sectional, multistage probability sample from the Hispanic Established Populations for the Epidemiologic Studies of the Elderly ( N = 3,050) was used. The dependent variables of neuropsychiatric function were depressive symptoms (Center for Epidemiologic Studies Depression Scale [CES-D]) and cognitive function (mini-mental state examination [MMSE]) examined in separate multivariable regression and structural equation models to examine the pathways between acculturation proxies and neuropsychiatric function. Findings indicated that three acculturation proxies were associated with cognitive function but none were associated with depressive symptoms. English proficiency fully mediated the associations between other acculturation proxies and cognitive function. The findings suggest that language plays a central role in the pathway between acculturation and health among Mexican-origin populations.

Context of entry and number of depressive symptoms in an older Mexican-origin immigrant population

We examined the association between context of entry into the United States and symptoms of depression in an older age Mexican-origin population. We found that context of entry was associated with the number of depressive symptoms reported in this population. Specifically, immigrants who arrived to the U.S. following the Mexican Revolution (1918-1928) reported significantly fewer depressive symptoms, and those who arrived following enactment of the Immigration Reform Control Act (1965-1994) reported significantly more symptoms of depression, compared to those who arrived in the Bracero era (1942-1964). These findings suggest that sociopolitical context at the time of immigration may be associated with long-term psychological well-being. They contribute to a growing body of literature that suggests that the context of immigration may have long-term implications for the health of immigrant populations. We discuss implications of our findings for understanding relationships between immigration policies and the health of Mexican immigrant populations.

Protective neighborhoods: neighborhood proportion of Mexican Americans and depressive symptoms in very old Mexican Americans

Research indicates that neighborhood context can have a significant effect on the health of older adults. The evidence suggests that there may be physical health benefits afforded to Mexican Americans living in ethnically homogenous neighborhoods, despite the relatively high economic risk in such neighborhoods, but few studies have considered the effect of neighborhood ethnic density on mental health outcomes in older adults. This study evaluated the association between neighborhoods with a high proportion of Mexican Americans and depressive symptoms in very old Mexican Americans. Hierarchical linear modeling was used to examine data from Wave 5 (2004/05) of the Hispanic Established Populations for the Epidemiologic Study of the Elderly. Subjects included 1,875 community-dwelling Mexican Americans aged 75 and older living in 386 neighborhoods in five states in the southwestern United States (Arizona, California, Colorado, New Mexico, Texas). Depressive symptoms were measured using the Center for Epidemiologic Studies Depression Scale (α=0.88). Results showed that, in very old men, there was a significant negative association between percentage of Mexican Americans in the neighborhood and depressive symptoms (P=.01). In women, the direction of the association was the same, but the effect was not significant. These findings suggest that the proportion of Mexican Americans in the neighborhood matter more for very old Mexican American men than women. Further research may inform screening and treatment for depressive symptoms based on differences in neighborhood composition. Recommendations include culturally customized programs that offer older Mexican Americans greater mobility and access to programs and opportunities in culturally identifiable neighborhoods.

Breast cancer screening and ethnicity in the United States: implications for health disparities research

Ethnic and racial minority women within the U.S. are less likely to use breast cancer screening (BCS) procedures than non-Latina White women, and are more likely to be diagnosed with cancer at later stages of disease. Previous studies examining Latina rates of screening and disease have used aggregated populations for comparison, possibly attenuating important ethnic healthcare disparities and yielding misleading findings. The purpose of this study was to examine if ethnicity matters in understanding current estimates of BCS patterns among U.S. women; to test if healthcare disparities in BCS are present, and if any ethnic/racial groups are primarily affected. The authors used multivariate multinomial regression to examine self-reported mammogram and clinical breast exam in the 2007 full-year U.S. Medical Expenditure Panel Survey. Mexican origin women reported the lowest rates of past-year mammograms and clinical breast examination. Factors enabling healthcare moderated the group's lower likelihood of mammograms and clinical breast examination. Some breast cancer screening parity appears to have been achieved in 2007 for Black and some Latina groups; however, those rates lag behind for the largest Latino ethnic group, Mexican. Factors enabling healthcare access, such as education, income and insurance, attenuated the BCS inequalities found for Mexican origin women. Findings suggest that successful efforts to reduce BCS disparities be strategically redirected to include women of Mexican origin in addition to other underserved populations.

Policy implications of early onset breast cancer among Mexican-origin women

BACKGROUND

Overall, Latinas are more likely to be diagnosed with a more advanced stage of breast cancer and are 20% more likely to die of breast cancer than non-Hispanic white women. It is estimated that from 2003 to 2006, $82.0 billion in direct medical care expenditures, in addition to 100,000 lives annually, could be saved by eliminating health disparities experienced by Latinos and increasing the use of up to 5 preventive services in the United States. An additional 3700 lives could be saved if 90% of women aged ≥40 years were recently screened for breast cancer.

METHODS

The authors examined the risk for breast cancer in a case-control, population-based sample of Mexican-origin women in Harris County, Texas (n=714), where the rates of breast cancer mortality for Latina women have doubled since 1990.

RESULTS

Half of breast cancer cases (n=119) were diagnosed in women aged <50 years. In a multivariate model, women who had a family history of breast cancer (odds ratio [OR], 4.3), who were born in Mexico and had high levels of language acculturation (OR, 2.5), and who did not have health insurance (OR, 1.6) had the highest risk for breast cancer.

CONCLUSIONS

Because the current results indicated that Mexican-origin women are at high-risk for early onset, premenopausal breast cancer, the authors recommended policies that target screening, education, and treatment to prevent increased disparities in mortality. The authors concluded that the inclusion of community members and policymakers as partners in these endeavors would further safeguard against an increase in cancer health disparities and aid in formulating a policy agenda congruent with scientifically based, community-driven policy efforts that address breast cancer screening, education, and treatment in this vulnerable population.

Research article: Antidepressant use among Asians in the United States

OBJECTIVES

We examined the prevalence and predictors of past-year antidepressant use in a nationally representative sample of Asian Americans and non-Latino Whites.

METHODS

Analyses of 12-month antidepressant medication use were based on data from the Collaborative Psychiatric Epidemiology Surveys that surveyed Asian (Chinese, Filipino, Vietnamese, and others; N=2,284) and non-Latino White (N=6,696) household residents ages 18 years and older in the 48 contiguous United States and Hawaii.

RESULTS

Prevalence rates for 12-month antidepressant use for Asians with major depression ranged from 8.7% among Vietnamese to 17% among Chinese respondents. Compared to non-Latino Whites (32.4%), all Asians (10.9%) meeting criteria for 12-month depressive and anxiety disorders, but especially Filipinos (8.8%) were less likely to report past-year antidepressant use.

CONCLUSIONS

We found disparities in past-year antidepressant use among all the examined major Asian groups meeting criteria for 12-month depressive and anxiety disorders. These disparities were not explained by mental health need or socioeconomic factors that enable access to care.

Relational pathways between socioeconomic position and cardiovascular risk in a multiethnic urban sample: complexities and their implications for improving health in economically disadvantaged populations

BACKGROUND

The study was designed to provide evidence of a cascade effect linking socioeconomic position to anthropometric indicators of cardiovascular disease (CVD) risk through effects on psychosocial stress, psychological distress and health-related behaviours, and consider implications for disease prevention and health promotion.

METHODS

A cross-sectional stratified two-stage probability sample of occupied housing units in three areas of Detroit, Michigan, was used in the study. 919 adults aged > or =25 years completed the survey (mean age 46.3; 53% annual household income <$20 000; 57% non-Hispanic black, 22% Latino, 19% non-Hispanic white). Variables included self-report (eg, psychosocial stress, depressive symptoms, health behaviours) and anthropometric measurements (eg, waist circumference, height, weight). The main outcome variables were depressive symptoms, smoking status, physical activity, body mass index and waist circumference.

RESULTS

Income was inversely associated with depressive symptoms, likelihood of current smoking, physical inactivity and waist circumference. These relationships were partly or fully mediated by psychosocial stress. A suppressor effect of current smoking on the relationship between depressive symptoms and waist circumference was found. Independent effects of psychosocial stress and psychological distress on current smoking and waist circumference were found, above and beyond the mediated pathways.

CONCLUSIONS

The results suggest that relatively modest improvements in the income of economically disadvantaged people can set in motion a cascade of effects, simultaneously reducing exposure to stressful life conditions, improving mental well-being, increasing health-promoting behaviours and reducing anthropometric risks associated with CVD. Such interventions offer important opportunities to improve population health and reduce health disparities.

Inter-rater and test–retest reliability: Methods and results for the neighborhood observational checklist

The popularity of direct or systematic social observation as a method to evaluate the mechanisms by which neighborhood environments impact health and contribute to health disparities is growing. The development of measures with adequate inter-rater and test-retest reliability is essential for this research. In this paper, based on our experiences conducting direct observation of neighborhoods in Detroit, MI, we describe strategies to promote high inter-rater and test-retest reliability and methods to evaluate reliability. We then present the results and discuss implications for future research efforts using direct observation in four areas: methods to evaluate reliability, instrument content and design, observer training, and data collection.