Table 1.
Sociodemographic characteristics of the 511 study participants in the cohort of migrant MSM in Beijing
| Variables | n | Per cent |
|---|---|---|
| Overall, N | 511 | 100 |
| Age | ||
| Median (years) | 29 | |
| 18–24 | 149 | 29.16 |
| ≥25 | 362 | 70.84 |
| Ethnicity | ||
| Han | 482 | 94.32 |
| Minority | 29 | 5.68 |
| Marital status | ||
| Single | 331 | 64.77 |
| Married | 114 | 22.31 |
| Cohabiting with male or female sex partner | 3 | 0.59 |
| Separated or divorced or widowed | 63 | 12.33 |
| Duration of stay in Beijing | ||
| <1 year | 173 | 33.85 |
| ≥1 year | 338 | 66.14 |
| Educational level | ||
| High school and below | 374 | 73.19 |
| College and above | 137 | 26.81 |
| Monthly income (US$) | ||
| <300 | 276 | 54.01 |
| ≥300 | 235 | 45.99 |
| Self-reported sexual orientation | ||
| Homosexual | 310 | 60.67 |
| Heterosexual | 8 | 1.57 |
| Bisexual | 192 | 37.57 |
| Other | 1 | 0.2 |
| Self-reported risk of HIV infection | ||
| Impossible | 82 | 16.05 |
| Improbable | 225 | 44.03 |
| Possible | 74 | 14.48 |
| Probable | 15 | 2.94 |
| No idea | 115 | 22.5 |
| Age of sexual debut (median, years) | 20 | |
| Gender of first sexual partner | ||
| Male | 300 | 58.71 |
| Female | 211 | 41.29 |
| Age of first anal intercourse (median, years) | 22 | |
| Had first anal intercourse before 15 years of age | 13 | 2.54 |
| Number of male sex partners in the last 6 months (median) | 3 | |
| Number of female sex partners in the last 6 months (median) | 0 | |
| Oral sex with regular partners with consistent condom use in the past 6 months | 22 | 6.73 |
| Oral sex with casual partners with consistent condom use in the past 6 months | 26 | 7.95 |
| Anal sex with regular partners with consistent condom use in the past 6 months | 67 | 13.11 |
| Anal sex with casual partners with consistent condom use in the past 6 months | 66 | 18.7 |
| Ever had commercial sexual behaviour | 61 | 11.94 |
| Ever had group sex | 59 | 11.55 |
| Alcohol use prior to sex | 166 | 32.49 |
| Ever had STDs | 84 | 16.44 |
| Have ever received condoms | 402 | 78.67 |
| Have ever received lubricant | 333 | 65.17 |
| Have ever received peer education | 121 | 23.68 |
| Have ever received examination or treatment for STD | 94 | 18.4 |
| Have ever received VCT services | 268 | 52.45 |
| Have ever received educational materials on AIDS/STD | 302 | 59.1 |
MSM, men who have sex with men; STD, sexually transmitted disease; VCT, voluntary counselling and testing.