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Fig. 3 | BMC Medical Research Methodology

Fig. 3

From: Evaluating selection bias in a population-based cohort study with low baseline participation: the LIFE-Adult-Study

Fig. 3

Reasons for nonparticipation according to age and school qualification. a. Men. b. Women. School qualification: Hauptschule = certificate of primary education, POS/Realschule = certificate of polytechnic secondary school/secondary education, Hochschulreife = technical college or university entrance qualification

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BMC Medical Research Methodology

ISSN: 1471-2288

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