Table 3.
Comparison of demographic characteristics between retained MSM cohort and those lost to follow-up in Yangzhou and Guangzhou MSM, China
| Yangzhou | Guangzhou | |||||||
|---|---|---|---|---|---|---|---|---|
| Characteristics | Retained MSM N (%) | Dropped MSM N (%) | χ 2 | p | Retained MSM N (%) | Dropped MSM N (%) | χ 2 | p |
| Age (years) | 39.14±9.01* | 36.56±10.53 | 1.92 | 0.067 | 23.32±5.98* | 21.73±7.45 | 1.82 | 0.081 |
| Education level | 1.68 | 0.429 | 0.12 | 0.940 | ||||
| Middle school or lower | 66 (34.6) | 24 (30.0) | 15 (8.0) | 11 (11.2) | ||||
| High school | 86 (45.0) | 34 (42.5) | 45 (23.9) | 23 (23.5) | ||||
| College or higher | 39 (20.4) | 22 (27.5) | 128 (68.1) | 66 (67.3) | ||||
| Marital status | 4.12 | 0.127 | 2.57 | 0.275 | ||||
| Single | 70 (36.6) | 39 (48.8) | 147 (78.2) | 83 (84.7) | ||||
| Married | 114 (59.7) | 37 (46.2) | 34 (18.1) | 14 (14.3) | ||||
| Divorced | 7 (3.7) | 4 (5.0) | 7 (3.7) | 1 (1.0) | ||||
| Ethnicity | 5.84 | 0.015 | ||||||
| Han | 191 (100.0) | 74 (92.5) | – | – | 185 (98.4) | 90 (91.8) | ||
| Other | 0 (0.0) | 6 (7.5) | 3 (1.6) | 8 (8.2) | ||||
| Venue where sex is found | 4.25 | 0.372 | – | – | ||||
| Bathhouse | 108 (56.5) | 43 (53.8) | 0 (0.0) | 5 (5.1) | ||||
| Bar | 31 (16.3) | 15 (18.7) | 1 (2.6) | 7 (7.1) | ||||
| Internet | 36 (18.8) | 20 (25.0) | 160 (85.1) | 64 (65.3) | ||||
| Other | 16 (8.4) | 2 (2.5) | 27 (14.3) | 22 (22.4) | ||||
| Sex orientation | 6.45 | 0.011 | 1.57 | 0.209 | ||||
| Homosexual | 108 (56.5) | 31 (38.8) | 101 (53.7) | 61 (62.2) | ||||
| Bisexual or heterosexual | 83 (43.5) | 49 (61.2) | 87 (46.3) | 37 (37.8) | ||||
| Commercial sex in the past 6 months | 2.56 | 0.109 | 0.03 | 0.861 | ||||
| Yes | 13 (6.8) | 11 (13.8) | 7 (3.7) | 4 (4.1) | ||||
| No | 178 (93.2) | 69 (86.2) | 181 (96.3) | 94 (95.9) | ||||
| Condom use during last commercial sex encounter | 0.20 | 0.654 | 0.50 | 0.477 | ||||
| Yes | 10 (62.5) | 5 (62.5) | 5 (71.4) | 2 (50.0) | ||||
| No | 6 (37.5) | 3 (37.5) | 2 (28.6) | 2 (50.0) | ||||
| Anal sex with men in the past 6 months | 0.82 | 0.365 | 0.85 | 0.356 | ||||
| Yes | 125 (65.4) | 47 (58.8) | 101 (53.7) | 59 (62.2) | ||||
| No | 66 (34.6) | 33 (41.2) | 87 (46.3) | 39 (39.8) | ||||
| Condom use during last anal sex with a man | 0.04 | 0.837 | 1.75 | 0.195 | ||||
| Yes | 11 (28.2) | 4 (13.8) | 68 (61.8) | 37 (74.0) | ||||
| No | 28 (71.8) | 25 (86.2) | 42 (38.2) | 13 (26.0) | ||||
| Sex with female partners in the past 6 months | 3.16 | 0.075 | 2.01 | 0.156 | ||||
| Yes | 100 (52.4) | 52 (65.0) | 37 (19.7) | 12 (12.2) | ||||
| No | 91 (47.6) | 28 (35.0) | 151 (80.3) | 86 (87.8) | ||||
| Condom use during last sexual encounter with a female partner | 0.18 | 0.663 | 0.54 | 0.463 | ||||
| Yes | 36 (33.3) | 17 (38.6) | 5 (20.0) | 8 (33.3) | ||||
| No | 72 (66.7) | 27 (61.4) | 20 (80.0) | 16 (66.7) | ||||
| STD-associated symptom in the past 12 months | 2.56 | 0.109 | 0.66 | 0.416 | ||||
| Yes | 13 (6.8) | 11 (13.8) | 21 (11.2) | 15 (15.7) | ||||
| No | 178 (93.2) | 69 (86.2) | 167 (88.8) | 83 (84.7) | ||||
| Diagnosed with an STD in the past 12 months | 0.44 | 0.507 | 2.48 | 0.115 | ||||
| Yes | 15 (7.9) | 9 (11.3) | 54 (28.7) | 19 (19.4) | ||||
| No | 176 (92.1) | 71 (88.7) | 134 (71.3) | 79 (80.6) | ||||
| Received sexual health services in the past 12 months | 1.46 | 0.226 | 2.01 | 0.155 | ||||
| Yes | 100 (52.4) | 49 (61.3) | 168 (89.4) | 81 (82.6) | ||||
| No | 91 (47.6) | 31 (38.8) | 20 (10.6) | 17 (17.4) | ||||
| Syphilis positive | 37.2 | <0.001 | 5.93 | 0.014 | ||||
| Yes | 30 (15.7) | 42 (52.5) | 5 (2.7) | 10 (10.2) | ||||
| No | 161 (84.3) | 38 (47.5) | 183 (97.3) | 88 (89.8) | ||||
*
Independent samples t-test.
STD: sexually transmitted disease.