Table 1. Demographic and behavioral characteristics of 503 men who have sex with men in Chongqing City, China, 2009.
| Variable | Unadjusted | Adjusted a | ||||||||
| StudentsN = 183 (%) | Non-studentsN = 320 (%) | TotalN = 503 (%) | P-value | Students(%, 95% CI) | Non-students(%, 95% CI) | Total (%,95% CI) | P-value | |||
| Age (year) | <0.001 | <0.001 | ||||||||
| ≤23 | 163(89.1) | 121(37.8) | 284(56.5) | (85.3, 77.4–92.5) | (39.5, 31.7–47.9) | (55.8, 49.0–62.5) | ||||
| >23 | 20(10.9) | 199(62.2) | 219(43.5) | (14.7, 7.5–22.6) | (60.5, 52.1–68.3) | (44.2, 37.5–51.0) | ||||
| Ethnicity | 0.033 | 0.076 | ||||||||
| Han majority | 172(94.0) | 313(97.8) | 485(96.4) | (90.5, 83.5–96.6) | (96.9, 93.5–99.5) | (94.7, 91.4–97.6) | ||||
| Other minorities | 11(6.0) | 7(2.2) | 18(3.6) | (9.5, 3.4–16.5) | (3.1, 0.5–6.5) | (5.3, 2.4–8.6) | ||||
| Education | <0.001 | <0.001 | ||||||||
| High school or below | 29(15.8) | 124(38.8) | 153(30.4) | (13.7, 7.6–21.2) | (39.2, 32.3–48.0) | (30.1, 24.8–36.3) | ||||
| College or above | 154(84.2) | 196(61.2) | 350(69.6) | (86.3, 78.8–92.4) | (60.8, 52.0–67.8) | (69.9, 63.7–75.2) | ||||
| Marital status | 0.001 | 0.001 | ||||||||
| Never married | 182(99.4) | 279(87.2) | 461(91.7) | (99.4, 98.2–100.0) | (84.8, 78.3–90.7) | (90.0, 85.7–94.0) | ||||
| Ever married b | 1(0.6) | 41(12.8) | 42(8.3) | (0.6, 0.0–1.8) | (15.2, 9.3–21.7) | (10.0, 6.0–14.3) | ||||
| Currently living with a male sexual partner | <0.001 | 0.008 | ||||||||
| No | 162(88.5) | 239(74.7) | 401(79.7) | (85.4, 77.4–92.9) | (73.6, 65.1–79.0) | (77.8, 71.4–82.3) | ||||
| Yes | 21(11.5) | 81(25.3) | 102(20.3) | (14.6, 7.2–22.6) | (26.4, 21.1–35.0) | (22.2, 17.7–28.6) | ||||
| Duration of living in Chongqing City (year) | <0.001 | <0.001 | ||||||||
| ≤21 | 166(90.7) | 215(67.2) | 381(75.7) | (93.5, 89.5–96.7) | (74.5, 67.0–80.3) | (81.4, 76.1–85.5) | ||||
| >21 | 17(9.3) | 105(32.8) | 122(24.3) | (6.5, 3.4–10.6) | (25.5, 19.7–33.1) | (18.6, 14.5–23.9) | ||||
| Having incomes in the past year | <0.001 | <0.001 | ||||||||
| No | 147(80.3) | 32(10.0) | 179(35.6) | (77.0, 68.1–85.7) | (11.8, 6.7–17.4) | (35.1, 28.8–41.2) | ||||
| Yes | 36(20.7) | 288(90.0) | 324(64.4) | (23.0, 14.3–31.9) | (88.2, 82.6–93.4) | (64.9, 58.8–71.2) | ||||
| Having a health insurance | <0.001 | 0.008 | ||||||||
| No | 127(69.4) | 157(49.1) | 284(56.5) | (68.3, 59.1–76.8) | (52.9, 44.4–61.0) | (58.4, 52.0–64.2) | ||||
| Yes | 56(30.6) | 163(50.9) | 219(43.5) | (31.7, 23.2–40.9) | (47.1, 39.0–55.6) | (41.6, 35.8–48.0) | ||||
| Ever having sex with a woman | <0.001 | 0.048 | ||||||||
| No | 134(73.2) | 170(53.1) | 304(60.4) | (66.5, 56.5–77.1) | (54.1, 45.7–62.1) | (58.7, 52.0–64.9) | ||||
| Yes | 49(26.8) | 150(46.9) | 199(39.6) | (33.5, 22.9–43.6) | (45.9, 37.9–54.3) | (41.3, 35.1–48.0) | ||||
| Duration of having had sex with a man (year) | <0.001 | <0.001 | ||||||||
| ≤5 | 169(92.3) | 221(69.1) | 390(77.5) | (92.6, 87.4–97.1) | (75.5, 68.7–82.1) | (81.9, 77.3–86.9) | ||||
| >5 | 14(7.7) | 99(30.9) | 113(22.5) | (7.4, 2.9–12.6) | (24.5, 17.9–31.3) | (18.1, 13.1–22.7) | ||||
| Self reported sexual orientation | 0.727 | 0.754 | ||||||||
| Homosexual | 137(74.9) | 244(76.3) | 381(75.7) | (71.9, 62.1–81.2) | (72.8, 65.2–79.9) | (72.5, 66.7–78.2) | ||||
| Heterosexual | 46(25.1) | 76(23.7) | 122(24.3) | (28.1,18.8–37.9) | (27.2, 20.1–34.8) | (27.5, 21.8–33.4) | ||||
| Role in anal sex, if any (n = 480) c | 0.455 | 0.452 | ||||||||
| Largely insertive | 49(26.8) | 97(30.3) | 146(29.0) | (25.6, 17.9–33.7) | (27.9, 21.1–35.9) | (27.2, 22.0–32.9) | ||||
| Largely receptive | 124(73.2) | 210(69.7) | 334(71.0) | (74.4, 66.3–82.1) | (72.1, 64.1–78.9) | (72.8, 67.1–78.0) | ||||
| Number of male partners in the past 6 months | 0.965 | 0.984 | ||||||||
| ≤1 | 81(44.3) | 141(44.1) | 222(44.1) | (52.7, 42.9–62.3) | (52.2, 44.8–60.8) | (52.5, 46.7–59.3) | ||||
| >1 | 102(55.7) | 179(55.9) | 281(55.9) | (47.3, 37.7–57.1) | (47.8, 39.2–55.2) | (47.5, 40.7–53.3) | ||||
| Exchanging sex for money in the past 6 months | 0.641 | 0.706 | ||||||||
| No | 175(95.6) | 303(94.7) | 478(95.0) | (96.1, 92.8–98.8) | (95.2, 91.2–98.3) | (95.5, 92.6–97.8) | ||||
| Yes | 8(4.4) | 17(5.3) | 25(5.0) | (3.9, 1.2–7.2) | (4.8, 1.7–8.8) | (4.5, 2.2–7.4) | ||||
| Venue for finding the last male sexual partner in the past 6 months (n = 477) d | 0.675 | 0.940 | ||||||||
| Others | 53(30.3) | 86(28.5) | 139(29.1) | (27.1, 19.0–34.4) | (28.7, 21.7–37.3) | (28.9, 23.5–35.0) | ||||
| Internet | 122(69.7) | 216(71.5) | 338(70.9) | (72.9, 65.6–81.0) | (71.3, 62.7–78.3) | (71.1, 65.0–76.5) | ||||
| Syphilis infection | 0.307 | 0.333 | ||||||||
| No | 176(96.2) | 301(94.2) | 477(94.8) | (95.6, 91.0–99.3) | (92.1, 87.1–96.4) | (93.4, 89.9–96.5) | ||||
| Yes | 7(3.8) | 19(5.9) | 26(5.2) | (4.4, 0.7–9.0) | (7.9, 3.6–12.9) | (6.6, 3.5–10.1) | ||||
a
Adjusted values using RDSAT-generated weights for a respondent driven sample.
b
Including married, divorced and widowed.
c
23 men reported oral sex or masturbation only.
d
26 men reported no male sexual partner in the past 6 months.
CI: confidence interval.