Table 1
Number of participants included in the study by age, sex and region and response rates
West Berlin
East Berlin
Response rate (%)
n (total)
n (male)
Response rate (%)
n (total)
n (male)
18–60 years
64.1
1803
905
63.4
1054
489
>60 years
59.0
1100
437
66.1
473
185
Total
62.6
2903
1342
64.4
1527
674