Table 1 Response rate by respondent population and demographic subpopulations
From: Telephone follow-up to a mail survey: when to offer an interview compared to a reminder call
| Â | Interview Group (n = 435) | Reminder Group (n = 438) | Â | ||
|---|---|---|---|---|---|
| Â | n (%) response | p* | n (%) response | p* | p** |
STUDY RESPONDENT: Completed Survey and HIPAA Authorization Form | |||||
Total | 128 (29.4%) | Â | 106 (24.2%) | Â | 0.08 |
   Mail Survey | 23 (5.3%) |  | 106 (24.2%) |  | < 0.0001 |
   Phone Interview | 105 (24.1%) |  | NA |  | (only applies to interview group) |
Gender | Â | Â | Â | Â | Â |
   Male | 65 (26.2%) | 0.09 | 65 (23.5%) | 0.64 | 0.47 |
   Female | 63 (33.7%) |  | 41 (25.5%) |  | 0.10 |
Age Group | Â | Â | Â | Â | Â |
   18-24 | 6 (31.6%) | 0.03 | 4 (36.4%) | 0.01 | 0.79 |
   25-34 | 18 (26.1%) |  | 22 (29.0%) |  | 0.70 |
   35-44 | 23 (20.4%) |  | 15 (11.8%) |  | 0.07 |
   45-54 | 37 (28.9%) |  | 34 (28.3%) |  | 0.92 |
   55-64 | 32 (42.1%) |  | 22 (31.4%) |  | 0.18 |
   65+ | 12 (40.0%) |  | 9 (26.5%) |  | 0.25 |
GENERALIZABLE RESPONDENT: Completed Survey Regardless of HIPAA Authorization Form | |||||
Total | 187 (43.0%) | Â | 106 (24.2%) | Â | < 0.0001 |
   Mail Survey | 24 (5.5%) |  | 106 (24.2%) |  | 0.50 |
   Phone Interview | 163 (37.5%) |  | NA |  | (only applies to interview group) |
Gender | Â | Â | Â | Â | Â |
   Male | 97 (39.1%) | 0.06 | 65 (23.5%) | 0.64 | < 0.001 |
   Female | 90 (48.1%) |  | 41 (25.5%) |  | < 0.001 |
Age Group | Â | Â | Â | Â | Â |
   18-24 | 9 (47.4%) | 0.08 | 4 (36.4%) | 0.01 | 0.56 |
   25-34 | 28 (40.6%) |  | 22 (29.0%) |  | 0.14 |
   35-44 | 39 (34.5%) |  | 15 (11.8%) |  | < 0.001 |
   45-54 | 53 (41.4%) |  | 34 (28.3%) |  | 0.03 |
   55-64 | 42 (55.3%) |  | 22 (31.4%) |  | 0.004 |
   65+ | 16 (53.3%) |  | 9 (26.5%) |  | 0.03 |