Mexican Americans agree to participate in longitudinal clinical research more than non-Hispanic whites

Autor: Chen Chen, Xu Shi, Lynda D Lisabeth, Madeline Kwicklis, Madelyn Malvitz, Erin Case, Lewis B Morgenstern
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: BMC Public Health, Vol 23, Iss 1, Pp 1-9 (2023)
Druh dokumentu: article
ISSN: 1471-2458
DOI: 10.1186/s12889-023-16998-6
Popis: Abstract Background The National Institutes of Health has advocated for improved minority participation in clinical research, including clinical trials and observational epidemiologic studies since 1993. An understanding of Mexican Americans (MAs) participation in clinical research is important for tailoring recruitment strategies and enrollment techniques for MAs. However, contemporary data on MA participation in observational clinical stroke studies are rare. We examined differences between Mexican Americans (MAs) and non-Hispanic whites (NHWs) participation in a population-based stroke study. Methods We included 3,594 first ever stroke patients (57.7% MAs, 48.7% women, median [IQR] age 68 [58–79]) from the Brain Attack Surveillance in Corpus Christi Project, 2009–2020 in Texas, USA, who were approached and invited to participate in a structured baseline interview. We defined participation as completing a baseline interview by patient or proxy. We used log-binomial models adjusting for prespecified potential confounders to estimate prevalence ratios (PR) of participation comparing MAs with NHWs. We tested interactions of ethnicity with age or sex to examine potential effect modification in the ethnic differences in participation. We also included an interaction between year and ethnicity to examine ethnic-specific temporal trends in participation. Results Baseline participation was 77.0% in MAs and 64.2% in NHWs (Prevalence Ratio [PR] 1.20; 95% CI, 1.14–1.25). The ethnic difference remained after multivariable adjustment (1.17; 1.12–1.23), with no evidence of significant effect modification by age or sex (P interaction by age = 0.68, P interaction by sex = 0.83). Participation increased over time for both ethnic groups (P trend
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