Winkler, Volker and Leitzmann, Michael and Obi, Nadia and Ahrens, Wolfgang and Edinger, Thomas and Giani, Guido and Linseisen, Jakob and Loeffler, Markus and Michels, Karin and Noethlings, Ute and Schipf, Sabine and Kluttig, Alexander and Wichmann, H. -Erich and Hoffmann, Barbara and Joeckel, Karl-Heinz and Becher, Heiko (2014) Response in individuals with and without foreign background and application to the National Cohort in Germany: which factors have an effect? INTERNATIONAL JOURNAL OF PUBLIC HEALTH, 59 (3). pp. 555-563. ISSN 1661-8556, 1661-8564
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Response rates in epidemiologic studies vary widely. This study examines response rates of potential study participants according to foreign versus German background and investigates effects of recruitment strategies. Response rates and characteristics of recruitment procedures from feasibility studies for a large cohort study conducted in 2011 were analyzed. Among 1,235 participants the proportion of recruited individuals with a foreign background was 17.3 % (95 % confidence interval 15.3-19.5 %), significantly lower than in the sampling frame (23.1 %). The difference between observed and expected proportion was high among individuals with Turkish background and smaller among ethnic Germans from the Former Soviet Union and other foreign background groups. Common recruitment strategies to increase the response had positive effects in all groups. For the planned recruitment strategy in the forthcoming German National Cohort, we estimate an overall response of approximately 50 %. Individuals with Turkish background may need particular efforts to be adequately represented in a population-based cohort in Germany. Other foreign background groups are relatively well represented using standard procedures. An adequate response can be obtained under carefully planned recruitment strategies.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ; Response; Epidemiologic study; Migrants; Germany; German National Cohort (NaKo); Recruitment strategy |
| Subjects: | 600 Technology > 610 Medical sciences Medicine |
| Divisions: | Medicine > Institut für Epidemiologie und Präventivmedizin > Lehrstuhl für Genetische Epidemiologie |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 06 Nov 2019 11:06 |
| Last Modified: | 06 Nov 2019 11:06 |
| URI: | https://pred.uni-regensburg.de/id/eprint/10130 |
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