Predictors of retention among African Americans in a randomized controlled trial to test the Healthy Eating and Active Living in the Spirit (HEALS) intervention

제목
Predictors of retention among African Americans in a randomized controlled trial to test the Healthy Eating and Active Living in the Spirit (HEALS) intervention
저자

Oluwole A. Babatunde; Swann Arp Adams; Michael D. Wirth; Jan M. Eberth; Jameson Sofge; Seul Ki Choi; Brook E. Harmon; Lisa Davis; Ruby Drayton; Thomas G. Hurley; Heather M. Brandt; Cheryl A. Armstead; James R. Hébert

키워드
African Americans; Blacks; Body Mass Index; Partner; Retention; Stress
발행연도
2017-07-20
Series
Ethnicity & Disease, vol. 27, no. 3, pp. 265 - 272
Journal Title
Ethnicity & Disease
초록
Introduction
Retention of racial/ethnic minority groups into research trials is necessary to fully understand and address health disparities. This study was conducted to identify participants’ characteristics associated with retention of African Americans (AAs) in a randomized controlled trial (RCT) of a behavioral intervention.
Methods
Using data from an RCT conducted from 2009 to 2012 among AAs, participant-level factors were examined for associations with retention between three measurement points (ie, baseline, 3-month, and 12-month). Chi-square tests and logistic regression analyses were conducted to compare retained participants to those who were not retained in order to identify important predictors of retention.
Results
About 57% of participants (n=238) were retained at 12 months. Baseline characteristics that showed a statistically significant association with retention status were age, marital status, body mass index (BMI), intervention group, enrollment of a partner in the study, and perceived stress score (PSS). Multivariable logistic regression that adjusted for age, BMI, and PSS showed the odds of being retained among participants who enrolled with a partner was 2.95 (95% CI: 1.87-4.65) compared with participants who had no study partner enrolled. The odds of being retained among participants who were obese and morbidly obese were .32 and .27 (95% CI: .14-.74 and .11-.69), respectively, compared with participants who had normal weight.
Conclusion
Having a partner enrolled in behavioral interventions may improve retention of study participants. Researchers also need to be cognizant of participants’ obesity status and potentially target retention efforts toward these individuals.
ISSN
1049-510X
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