ObjectiveThis study aims to show the usefulness of incorporating a community-based geographical information system (GIS) in recruiting research participants for the Asian Cohort for Alzheimer’s Disease (ACAD) study for using the subgroup of Korean American (KA) older adults. The ACAD study is the first large study in the USA and Canada focusing on the recruitment of Chinese, Korean and Vietnamese older adults to address the issues of under-representation of Asian Americans in clinical research.MethodsTo promote clinical research participation of racial/ethnic minority older adults with and without dementia, we used GIS by collaborating with community members to delineate boundaries for geographical clusters and enclaves of church and senior networks, and KA serving ethnic clinics. In addition, we used socioeconomic data identified as recruitment factors unique to KA older adults which was analysed for developing recruitment strategies.ResultsGIS maps show a visualisation of the heterogeneity of the sociodemographic characteristics and the resources of faith-based organisations and KA serving local clinics. We addressed these factors that disproportionately affect participation in clinical research and successfully recruited the intended participants (N=60) in the proposed period.DiscussionUsing GIS maps to locate KA provided innovative inroads to successful research outreach efforts for a pilot study that may be expanded to other underserved populations across the USA in the future. We will use this tool subsequently on a large-scale clinical genetic epidemiology study.Policy implicationThis approach responds to the call from the National Institute on Aging to develop strategies to improve the health status of older adults in diverse populations. Our study will offer a practical guidance to health researchers and policymakers in identifying understudied and hard-to-reach specific Asian American populations for clinical studies or initiatives. This would further contribute in reducing the health and research disparity gaps among older minority populations.
Previous research indicates that romantic partners’ relationship quality is associated with poverty and material hardship. Few studies have used longitudinal data to incorporate changing economic circumstances over time, included a range of economic factors, or investigated the role of social support in this association, however. Using five waves of data from the Fragile Families and Child Wellbeing Study, we extend prior work by evaluating the association between multiple economic stressors and romantic relationship quality over time, and whether social support explains or alters this association. Changes in economic stressors are associated with changes in romantic relationship quality over time, particularly nonstandard work and material hardship. Social support neither explains nor moderates this association in most cases. This study confirms the stress process perspective, showing how economic and work-related stress can proliferate into family life, but does not support the contention that social support buffers families against stress proliferation.
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