Table 1 Characteristics of Respondents and Non-respondents
Domain | Subdomain | Respondents No. (%); N = 500 | Non-respondents No. (%); N = 1395 | P |
|---|---|---|---|---|
Gender | Female | 251 (50%) | 742 (53%) | .25 |
Male | 249 (50%) | 653 (47%) | ||
Region of USAa | Northeast | 140 (28%) | 330 (24%) | .04 |
Midwest | 95 (19%) | 292 (21%) | ||
South | 146 (30%) | 491 (35%) | ||
West | 111 (23%) | 279 (20%) | ||
Age (years)b | < 40 | 92 (24%) | 189 (27%) | .59 |
40–49 | 123 (33%) | 203 (29%) | ||
50–59 | 87 (23%) | 161 (23%) | ||
≥60 | 74 (20%) | 147 (21%) |