Figure 1

Percentage of persons with incomplete WHODAS 2.0 questionnaire (one to 12 missing items) in the study population (n = 2077). P-values refer to Chi2-test for independence of frequencies in different strata.
Percentage of persons with incomplete WHODAS 2.0 questionnaire (one to 12 missing items) in the study population (n = 2077). P-values refer to Chi2-test for independence of frequencies in different strata.