Table 1. Socio-demographic Characteristics of YMSM cohort participants in Baseline and Follow-up.
| Characteristics | baseline(N = 1102) | 6-month follow-up(N = 878) | 12-month follow-up(N = 902) | ||||
| n (%) | n (%) | χ2 | P | n (%) | χ2 | P | |
| Marital status | |||||||
| Single | 1026 (93.1) | 812 (92.5) | 0.283 | 0.595 | 837 (92.8) | 0.073 | 0.787 |
| Married/cohabit | 76 (6.9) | 66 (7.5) | 65 (7.2) | ||||
| Local resident | |||||||
| Yes | 485 (44.0) | 394 (44.9) | 0.148 | 0.701 | 392 (43.5) | 0.061 | 0.804 |
| No | 617 (56.0) | 484 (55.1) | 510 (56.5) | ||||
| Education | |||||||
| Junior high school or less | 121 (11.0) | 80 (9.1) | 4.366 | 0.113 | 103 (11.4) | 0.135 | 0.935 |
| Senior high school | 299 (27.1) | 216 (24.6) | 247 (27.4) | ||||
| Some college or higher | 682 (61.9) | 582 (66.3) | 552 (61.2) | ||||
| Occupation | |||||||
| Student | 374 (33.9) | 309 (35.2) | 2.075 | 0.722 | 292 (32.4) | 0.740 | 0.946 |
| civil servants/White-collar | 186 (16.9) | 159 (18.1) | 157 (17.4) | ||||
| Waiter | 404 (36.7) | 295 (33.6) | 343 (38.0) | ||||
| Workman/Farmer | 46 (4.2) | 38 (4.3) | 37 (4.1) | ||||
| Unemployed | 92 (8.3) | 77 (8.8) | 73 (8.1) | ||||
| Sexual orientation | |||||||
| Homosexual | 736 (66.8) | 603 (68.7) | 0.925 | 0.630 | 598 (66.3) | 0.105 | 0.949 |
| Bisexual | 320 (29.0) | 243 (27.7) | 264 (29.3) | ||||
| Heterosexual/other | 46 (4.2) | 32 (3.6) | 40 (4.4) | ||||