Table 1.
Characteristics of Study Participants (355 studies)
| Variable | Number of studies | n or n/N | Percentage |
|---|---|---|---|
| Age (years.) | |||
| <20 | 93 | 8856/102,298 | 4.6% [3.8%; 7.3%] |
| 20-29 | 86 | 43.354/80,249 | 55.3% [52.9%; 57.6%] |
| 30-39 | 85 | 19,141/73,768 | 24.7% [23.5%; 25.9%] |
| 40-49 | 41 | 3643/34,063 | 10.2% [9.0%; 11.4%] |
| 50+ | 39 | 1584/42,046 | 3.2% [2.6%; 4.1%] |
| Sample size | |||
| <100 | 15 | 1130 | 0.2% |
| 101-200 | 41 | 6372 | 1.1% |
| 201-500 | 138 | 49,243 | 0.8% |
| 501-1000 | 63 | 45,714 | 8.0% |
| 1001-2000 | 58 | 83,815 | 14.7% |
| 2001-5000 | 25 | 76,743 | 13.4% |
| 5001-10,000 | 9 | 63,424 | 11.1% |
| >10,001 | 6 | 244,887 | 42.9% |
| Marital status | |||
| Single | 249 | 183,832/267,519 | 68.7% [65.3%; 73.6%] |
| Cohabitating | 98 | 3508/129,646 | 2.7% [2.1%; 3.1%] |
| Married | 193 | 153,060/335,726 | 22.3% [19.8%; 25.0%] |
| Divorced or widowed | 195 | 11,126/224,119 | 5.0% [4.2%; 5.3%] |
| Current level of education | |||
| Illiterate | 38 | 316/34,779 | 0.8% [0.6%; 1.3%] |
| Primary school | 74 | 1371/42,411 | 3.21% [2.7%; 3.8%] |
| Junior high school | 117 | 17,979/95,030 | 19.1% [17.8%; 20.5%] |
| Senior high school | 212 | 84,723/245,166 | 34.4% [33.5%; 35.5%] |
| College or above | 250 | 180,806/418,465 | 43.2% [42.7%; 45.2%] |
| Sexual orientation | |||
| Homosexual | 143 | 53,653/92,721 | 58.9% [57.3%; 60.4%] |
| Bisexual | 116 | 23,117/65,545 | 33.8% [32.1%; 35.6%] |
| Heterosexual | 85 | 2370/47,974 | 2.8% [2.1%; 3.7%] |
| Undetermined | 71 | 2063/38,423 | 5.7% [4.9%; 6.7%] |
| Main location to seek homosexual partners | |||
| Internet | 101 | 112,979/316,944 | 35.6% [32.3%; 39.9%] |
| Parks | 85 | 17,547/141,598 | 12.4% [10.9%;14.3%] |
| Public bathhouses/saunas | 98 | 40,029/303,129 | 13.2% [12.4%; 14.5%] |
| Bar/night club/tearoom | 100 | 42,978/165,416 | 25.9% [22.4%; 27.0%] |
| Sampling methods | |||
| Respondent driven sampling (RDS) | 39 | 28,952 | 5.0% |
| Snowball | 123 | 271,041 | 47.0% |
| Time-venue | 82 | 95,268 | 16.3% |
| Convenience | 11 | 6828 | 1.2% |
| Multiple methods | 39 | 121,732 | 20.2% |
| Other or not defined | 61 | 58,895 | 10.3% |
| Condom use (in the last 6 months) | |||
| During sex with men | |||
| Always | 163 | 113,092/280,617 | 41.5% [40.1%; 42.8%] |
| Sometimes | 119 | 46,927/90,253 | 48.3% [46.7%; 50.0%] |
| Never | 101 | 7890/86,014 | 10.1% [9.0%; 11.4%] |
| During commercial sex with men | |||
| Always | 63 | 8622/19,537 | 52.1% [48.2%; 56.0%] |
| Sometimes | 33 | 1274/3549 | 33.6% [29.5%; 38.0%] |
| Never | 33 | 294/3533 | 9.0% [6.0%; 13.4%] |
| When purchasing sex | |||
| Always | 9 | 282/623 | 50.4% [39.3%; 61.6%] |
| Sometimes | 5 | 190/487 | 34.0% [25.7%; 43.3%] |
| Never | 5 | 69/487 | 14.3% [10.1%; 19.7%] |
| During anal sex with men when selling sex | |||
| Always | 10 | 538/913 | 60.7% [52.2%; 68.7%] |
| Sometimes | 5 | 234/669 | 31.2% [22.8%; 40.9%] |
| Never | 5 | 62/669 | 10.7% [6.3%; 17.5%] |
| During sex with a woman | |||
| Always | 108 | 16,282/61,944 | 29.6% [28.1%; 31.1%] |
| Sometimes | 68 | 5396/16,474 | 34.3% [31.4%; 37.3%] |
| Never | 68 | 5937/17,665 | 34.2% [31.2%; 37.4%] |
| Occupation | |||
| Student | 81 | 8592/56,128 | 16.3% [14.3%; 18.5%] |
| Teacher | 20 | 150/5460 | 3.0% [2.4%; 3.8%] |
| Office staff | 51 | 8946/39,117 | 13.9% [11.4%; 16.7%] |
| Farmer | 22 | 833/19,603 | 4.2% [2.4%; 7.4%] |
| Service business employee | 63 | 14,358/51,468 | 25.7% [22.8%;28.9%] |
| Jobless or job-seeking | 26 | 1558/15,119 | 9.2% [6.7%; 12.5%] |
| Worker | 46 | 4793/36,243 | 13.0% [11.3%; 14.9%] |
| Retired | 7 | 41/2591 | 1.9% [0.8%; 4.3%] |
| Food and beverage service personnel | 20 | 573/8375 | 6.0% [4.3%; 8.5%] |
| Sexual debut partner | |||
| Male | 54 | 23,608/38,680 | 60.2% [57.8%; 62.6%] |
| Female | 54 | 14,547/38,680 | 38.0% [35.5%; 40.5%] |
| HIV/AIDS-related knowledge | |||
| Awareness rate of HIV/AIDS knowledge | 104 | 225,951/254,330 | 91.1% [89.5%; 92.4%] |
| HIV can be transmitted through the blood or blood products | 70 | 29,812/31,420 | 95.7% [94.6%; 96.5%] |
| HIV can be sexually transmitted | 73 | 28,601/30,682 | 97.6% [95.7%; 98.7%] |
| HIV can spread through mosquito or other insect bites | 62 | 20,718/28,888 | 74.2% [70.7%; 77.4%] |
| People who look healthy can still have HIV | 61 | 20,801/27,084 | 82.2% [78.5%; 85.4%] |
| A pregnant woman with HIV can transmit the virus to her baby | 70 | 26,869/29,382 | 92.8% [91.0%; 94.3%] |
| Sharing needles for drug use with someone who has | 58 | 24,262/25,621 | 95.7% [94.5%; 96.6%] |
| HIV or AIDS could cause HIV infection | 63 | 24,072/29,093 | 87.1% [84.3%; 89.4%] |
| Drug use | |||
| Drug use | 83 | 1044/59,764 | 1.5% [1.1%; 2.0%] |
| No drug use | 20 | 16,783/17,268 | 97.6% [95.7%; 98.7%] |
Figures in parentheses are 95% CIs; n, number of MSM in the subgroup; N, total number investigated in the subgroup.