Sociodemographic and clinical characteristics of study participants at baseline
| Variable | Control N=400 | Brief advice N=402 | Total N=802 |
|---|---|---|---|
| Clinic (%) | |||
| Hospital Site 1 | 247 (61.8) | 248 (61.7) | 495 (61.7) |
| Hospital Site 2 | 103 (25.8) | 103 (25.6) | 206 (25.7) |
| Hospital Site 3 | 50 (12.5) | 51 (12.7) | 101 (12.6) |
| Gender (%) | |||
| Male | 183 (45.8) | 187 (46.5) | 370 (46.1) |
| Female | 217 (54.3) | 215 (53.5) | 432 (53.9) |
| Age (median, IQR) (N=801) | 26.8 (23.4–30.4) | 26.3 (23.7–30.4) | 26.7 (23.6–30.4) |
| Ethnicity (N=799) (%) | |||
| White | 309 (77.6) | 309 (77.1) | 618 (77.3) |
| Black/ Mixed | 52 (13.1) | 52 (13.0) | 104 (13.0) |
| Asian/ Mixed | 13 (3.3) | 16 (4.0) | 29 (3.6) |
| Other | 24 (6.0) | 24 (6.0) | 48 (6.0) |
| Sexual orientation (N=801) (%) | |||
| Heterosexual | 361 (90.5) | 325 (80.8) | 686 (85.6) |
| Homosexual | 34 (8.5) | 59 (14.7) | 93 (11.6) |
| Bisexual | 4 (1.0) | 18 (4.5) | 22 (2.7) |
| Smoking status (N=801) (%) | |||
| No | 228 (57.1) | 228 (56.7) | 456 (56.9) |
| Yes | 171 (42.9) | 174 (43.3) | 345 (43.1) |
| Reason for presentation (N=788) (%) | |||
| Sexual health check only | 166 (42.3) | 175 (44.2) | 341 (43.3) |
| Symptoms | 188 (48.0) | 185 (46.7) | 373 (47.3) |
| Emergency Contraception | 6 (1.5) | 8 (2.0) | 14 (1.8) |
| Further Treatment/ Vaccination | 20 (5.1) | 17 (4.3) | 37 (4.7) |
| Other | 12 (3.1) | 11 (2.8) | 23 (2.9) |
| Drinking 6+/8+ units in one session (N=801) (%) | |||
| Monthly | 141 (35.3) | 153 (38.1) | 294 (36.7) |
| Weekly | 253 (63.4) | 242 (60.2) | 495 (61.8) |
| Daily | 5 (1.3) | 7 (1.7) | 12 (1.5) |
| Had unprotected sex in the last six months (N=801) (%) | |||
| No | 45 (11.3) | 78 (19.4) | 123 (15.4) |
| Yes | 354 (88.7) | 324 (80.6) | 678 (84.6) |
| Number of unprotected sexual partners in the last six months (N=801) | Mean 1.7 (SD 1.6) | Mean 1.4 (SD 1.3) | Mean 1.6 (SD 1.4) |
| Health related quality of life (EQ-5D) (N=801) | 0.892 (SD 0.170) | 0.893 (SD 0.166) | 0.892 (SD 0.168) |