Strategies to Enhance Retention in a Cohort Study Among Adults of Turkish Descent Living in Berlin.

ABSTRACT: Retention is important for statistical power and external validity in long-term cohort studies. The aims of our study were to evaluate different retention strategies within a cohort study of adults of Turkish descent in Berlin, Germany, and to compare participants and non-participants. In 2011-2012, a population-based study was conducted among adults of Turkish descent to primarily examine recruitment strategies. 6 years later, the participants were re-contacted and invited to complete a self-report questionnaire regarding their health status, health care utilization, and satisfaction with medical services. The retention strategy comprised letters in both German and Turkish, phone calls, and home visits (by bilingual staff). We calculated the response rate and retention rate, using definit

SUBMITTER: Dornquast C 

PROVIDER: S-EPMC9388466 | biostudies-literature | 2022 Oct

REPOSITORIES: biostudies-literature