Respondent v non-respondent characteristics
| Respondents | Non-respondents | ||
|---|---|---|---|
| Characteristics | No (%) | No (%) | p Value |
| Sex: | NS | ||
| Male | 119 (35.2) | 136 (37.8) | |
| Female | 219 (64.8) | 224 (62.2) | |
| Provider type: | 0.004 | ||
| Physician | 217 (64.2) | 267 (74.2) | |
| Nurse practitioner/physician assistant | 121 (35.8) | 92 (25.6) | |
| Primary specialty: | 0.001 | ||
| Paediatrics | 89 (26.3) | 76 (21.1) | |
| Family practice | 30 (8.9) | 51 (14.2) | |
| Internal medicine | 144 (42.6) | 195 (54.2) | |
| Obstetrics/gynaecology | 75 (22.2) | 38 (10.6) | |
| Primary practice location | NS | ||
| Urban | 41 (12.1) | 33 (9.2) | |
| Suburban | 297 (87.9) | 327 (90.8) | |
| Graduation from medical training | NS | ||
| 1950–69 | 16 (8.6) | 14 (5.7) | |
| 1970–9 | 40 (21.6) | 39 (15.8) | |
| 1980–9 | 73 (39.5) | 117 (47.4) | |
| 1990–9 | 56 (30.1) | 77 (31.2) | |
| Number of adolescent patients per month | 0.001 | ||
| None | 9 (2.7) | 47 (13.1) | |
| 1 to 50 | 269 (79.6) | 286 (79.4) | |
| 51 to 100 | 55 (16.3) | 25 (6.9) | |
| >100 | 5 (1.5) | 2 (0.6) |