Table 1.
Comparison of Characteristics and Behaviors of Chinese Men Who Have Sex with Men Recruited Through Time-Location Sampling Versus Online Sampling, Jiangsu Province, China
| TLS (n=261) | Online (n=271) | ||||
|---|---|---|---|---|---|
| Crude, n | Adjusted, % (95% CI) | Crude, n (%, 95% CI) | χ2 | P | |
| Demographics | |||||
| Age in years | 14.4 | .001 | |||
| 18–25 | 77 | 30.0 (28.1–31.8) | 82 (30.3, 24.8–36.1) | ||
| 26–35 | 81 | 29.6 (27.3–31.9) | 116 (42.8, 36.8–48.9) | ||
| ≥36 | 103 | 40.4 (36.7–44.0) | 71 (26.2, 21.1–31.9) | ||
| Missing | — | — | 2 (0.7, 0.1–2.6) | ||
| Education | 37.4 | <.001 | |||
| Middle school or less | 59 | 20.1 (17.6–22.5) | 20 (7.4, 4.6–11.2) | ||
| High school or technical | 126 | 49.8 (46.3–53.2) | 104 (38.4, 32.6–44.4) | ||
| Some college or higher | 76 | 30.1 (28.1–32.1) | 147 (54.2, 48.1–60.3) | ||
| Marital status | 1.7 | .431 | |||
| Single | 162 | 61.5 (58.4–64.6) | 161 (66.8, 53.3–65.3) | ||
| Married | 78 | 31.2 (27.9–34.5) | 74 (27.3, 22.1–33.0) | ||
| Div/Sep/Wid | 21 | 7.2 (5.8–8.7) | 16 (5.9, 3.4–9.4) | ||
| Cohabitate | 11.2 | .004 | |||
| With a woman | 50 | 19.4 (16.8–22.1) | 51 (18.8, 14.3–24.0) | ||
| With a man | 65 | 24.6 (22.5–26.7) | 42 (15.5, 11.4–20.4) | ||
| Others | 146 | 55.9 (52.6–59.3) | 178 (65.7, 59.7–71.3) | ||
| Full time employment | 208 | 79.2 (75.2–83.2) | 232 (85.6, 80.9–89.6) | 3.7 | .056 |
| Hukou (official residence) | 10.5 | .001 | |||
| Nanjing/Jiangsu | 193 | 73.9 (69.8–78.0) | 231 (85.2, 80.4–89.2) | ||
| Other province | 68 | 26.1 (23.8–28.4) | 40 (14.8, 10.8–19.6) | ||
| Income (RMB per month) | 8.1 | .017 | |||
| ≤2999 | 100 | 37.7 (34.3–41.3) | 81 (29.9, 24.5–35.7) | ||
| 3000–4999 | 100 | 39.7 (36.9–42.4) | 100 (36.9, 31.1–42.9) | ||
| ≥5000 | 61 | 22.6 (21.0–24.2) | 90 (33.2, 27.6–39.2) | ||
| Sexual Identity and Behavior | |||||
| Sexual orientation | 5.1 | .080 | |||
| Gay | 168 | 64.4 (60.8–68.0) | 189 (69.7, 63.9–75.2) | ||
| Bisexual | 82 | 31.8 (28.8–34.7) | 65 (24.0, 19.0–29.5) | ||
| Heterosexual/Not sure | 11 | 3.8 (2.8–4.9) | 17 (6.3, 3.7–9.9) | ||
| Told anyone your sexual orientation | 155 | 58.8 (55.7–61.8) | 136 (50.2, 44.1–56.3) | 3.8 | .051 |
| Have a regular partner | 121 | 46.2 (43.0–49.4) | 115 (42.4, 36.5–48.6) | 1.2 | .280 |
| How long with this regular partner (months) | 3.2 | .517 | |||
| <3 | 14 | 5.6 (4.6–6.6) | 17 (6.3, 3.7–9.9) | ||
| 3–6 | 13 | 6.0 (4.6–7.3) | 19 (7.0, 4.3–10.7) | ||
| 7–12 | 24 | 9.2 (7.8–10.7) | 26 (9.6, 6.4–13.7) | ||
| 13–36 | 26 | 9.0 (7.8–10.3) | 24 (8.9, 5.8–12.9) | ||
| ≥37 | 44 | 16.4 (14.3–18.5) | 29 (10.7, 7.3–15.0) | ||
| No main partner | 140 | 53.8 (50.3–57.2) | 156 (57.6, 51.4–63.5) | ||
| UIAI with regular partner in past 6 months | 50 | 20.9 (18.5–23.4) | 54 (19.9, 15.3–25.2) | 0.1 | .743 |
| URAI with regular partner in past 6 months | 34 | 13.9 (12.0–15.8) | 42 (15.5, 11.4–20.4) | 0.3 | .578 |
| Numbers of male anal sex partners in the past 6 months | 13.8 | .001 | |||
| ≤1 | 112 | 43.3 (40.0–46.6) | 83 (30.6, 25.2–36.5) | ||
| 2–5 | 94 | 35.4 (32.6–38.2) | 133 (49.1, 43.0–55.2) | ||
| ≥6 | 32 | 11.0 (9.7–12.3) | 44 (16.2, 12.1–21.2) | ||
| Missing | 23 | 10.3 (8.9–11.7) | 11 (4.1, 2.0–7.1) | ||
| UIAI with casual partner in past 6 months | 85 | 33.4 (30.6–36.2) | 93 (34.3,28.7–40.3) | 0.1 | .810 |
| URAI with casual partner in past 6 months | 53 | 20.8 (18.7–22.9) | 89 (32.8, 27.3–38.8) | 10.0 | .002 |
| HIV Testing | |||||
| Ever tested for HIV | 218 | 82.3 (78.0–86.5) | 189 (69.7, 63.9–75.2) | 14.6 | <.001 |
| Times tested for HIV in the last year | 9.4 | .009 | |||
| None | 15 | 5.8 (4.5–7.1) | 24 (8.9, 5.8–12.9) | ||
| Once | 87 | 32.8 (30.1–35.4) | 91 (33.6, 28.0–39.5) | ||
| Twice or more | 116 | 43.7 (40.5–46.9) | 73 (26.9, 21.7–32.6) | ||
| Missing | 43 | 17.7 (15.7–19.7) | 83 (30.6, 25.2–36.5) | ||
TLS, Time-Location Sampling; CI, confidence interval; UIAI, unprotected insertive anal intercourse; URAI, unprotected receptive anal intercourse.