Fig. 2

Response rates in the HaBIDS study by age group. a Age-stratified response rates; b cumulative age distribution. RR2: Response Rate 2 according to the definition by the American Association for Public Opinion Research [29]

Response rates in the HaBIDS study by age group. a Age-stratified response rates; b cumulative age distribution. RR2: Response Rate 2 according to the definition by the American Association for Public Opinion Research [29]