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Participation in a US community-based cardiovascular health study: investigating nonrandom selection effects related to employment, perceived stress, work-related stress, and family caregiving
Journal Title
Annals of Epidemiology
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Publication Date
2017-09
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Publication Volume
27
Publication Issue
9
Publication Begin
545
Publication End
552.e2
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nihms899817.pdf
Adobe PDF, 757.98 KB
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Abstract
Purpose: Participation in health studies may be inversely associated with employment and stress. We investigated whether employment, perceived stress, work-related stress, and family caregiving were related to participation in a longitudinal US community-based health study of black and white men and women aged ≥45 years.
Methods: Prevalence ratios and confidence intervals were estimated for completion of the second stage (S2) of a two-stage enrollment process by employment (status, type), and stress (perceived stress, work-related stress, caregiving), adjusting for age, sex, race, region, income, and education. Eligibility and consent for a follow-up occupational survey were similarly evaluated.
Results: Wage- but not self-employed participants were less likely than the unemployed to complete S2. Among the employed, S2 completion did not vary by stress; however, family caregivers with a short time burden of care (<2 hour/d) were more likely to complete S2, compared to noncaregivers. Eligibility and participation in the follow-up occupational survey were higher among those employed (vs. unemployed) at enrollment but were not associated with enrollment stress levels.
Conclusions: Limited evidence of selection bias was seen by employment and stress within a large US community-based cohort, but findings suggest the need for enrollment procedures to consider possible barriers to participation among wage-employed individuals.
Citation
MacDonald LA, Fujishiro K, Howard VJ, Landsbergis P, Hein MJ. Participation in a US community-based cardiovascular health study: investigating nonrandom selection effects related to employment, perceived stress, work-related stress, and family caregiving. Ann Epidemiol. 2017 Sep;27(9):545-552.e2. doi: 10.1016/j.annepidem.2017.08.008. Epub 2017 Aug 15. PMID: 28890281; PMCID: PMC5632192.