Sociodemographic characteristics of participants (n=259)
| Variable | HIV/syphilis group (n=60, %) | Control group (n=199, %) | Total (%) | p Value* |
|---|---|---|---|---|
| Age (years) | ||||
| Mean±SD | 22.2±3.3 | 21.8±3.4 | 21.9±3.3 | 0.448 |
| Minimum–maximum | 19–34 | 19–39 | 19–39 | |
| Age group (years) | ||||
| 19 | 8 (13.3) | 49 (24.6) | 57 (22.0) | 0.085 |
| 21 | 49 (81.7) | 144 (72.4) | 193 (74.5) | |
| >30 | 3 (5.0) | 6 (3.0) | 9 (3.5) | |
| Education | ||||
| Primary | 1 (1.7) | 8 (4.0) | 9 (3.5) | 0.207 |
| Secondary | 46 (76.7) | 165 (82.9) | 211 (81.5) | |
| University | 13 (21.7) | 26 (13.1) | 39 (15.1) | |
| Marital status | ||||
| Married | 2 (3.3) | 10 (5.0) | 12 (4.6) | 0.498 |
| Unmarried | 58 (96.7) | 186 (93.5) | 244 (94.2) | |
| Others | 0 (0) | 3 (1.5) | 3 (1.2) | |
| Resident duration in Hangzhou (months) | ||||
| <3 | 37 (61.7) | 136 (68.3) | 173 (66.8) | 0.643 |
| 3–12 | 11 (18.3) | 28 (14.1) | 39 (15.1) | |
| ≥12 | 12 (20.0) | 35 (17.6) | 47 (18.1) | |
| Employment status as MB | ||||
| Full time | 31 (51.7) | 109 (54.8) | 140 (54.1) | <0.001 |
| Part time | 29 (48.3) | 90 (45.2) | 119 (45.9) | |
| Self-identified sexual orientation | ||||
| Homosexuality | 30 (50.0) | 60 (30.2) | 90 (34.7) | 0.024 |
| Heterosexuality | 3 (5.0) | 25 (12.6) | 28 (10.8) | |
| Bisexuality | 20 (33.3) | 92 (46.2) | 112 (43.2) | |
| Unsure | 7 (11.7) | 22 (11.1) | 29 (11.2) | |
| Occupation of part-time MB† | ||||
| Student | 5 (8.8) | 24 (12.1) | 29 (11.2) | <0.001 |
| Office worker | 14 (23.5) | 79 (39.6) | 91 (35.2) | |
| Waiter in entertainment venues | 25 (41.2) | 50 (25.3) | 77 (29.6) | |
| Others | 16 (26.5) | 46 (23.1) | 62 (24.0) | |
*χ2 Test.
†119 Part-time MBs.
MB, money boy.