| No | Characteristic | Total | MMT patient | ART patient | PWID | FSW | MSM | ||||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||
| 1 | Age: | 36.7 | 9.2 | 39.7 | 8.3 | 38.0 | 8.4 | 36.9 | 8.8 | 28.4 | 7.3 | 28.4 | 8.1 |
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| N | % | N | % | N | % | N | % | N | % | N | % | |
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| 2380 | 100 | 686 | 28.8 | 674 | 28.3 | 653 | 27.4 | 168 | 7.1 | 199 | 8.4 | |
| 2 | Gender: |
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| ‒ Male | 2068 | 86.9 | 667 | 97.2 | 575 | 85.3 | 627 | 96.0 | 0 | 0 | 199 | 100 | |
| ‒ Female | 312 | 13.1 | 19 | 2.8 | 99 | 14.7 | 26 | 4.0 | 168 | 100 | 0 | 0 | |
| 3 | Ethnicity: |
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| ‒ Kinh | 2308 | 97.0 | 679 | 99.0 | 655 | 97.2 | 637 | 97.5 | 157 | 93.5 | 180 | 90.5 | |
| ‒ Minority | 72 | 3.0 | 7 | 1.0 | 19 | 2.8 | 16 | 2.5 | 11 | 6.5 | 19 | 9.5 | |
| 4 | Marriage: |
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| ‒ Living with partner/spouse | 566 | 23.8 | 168 | 24.5 | 191 | 28.4 | 116 | 17.8 | 54 | 32.3 | 37 | 18.7 | |
| ‒ Single/widow/divorce/separate | 1810 | 76.2 | 518 | 75.5 | 481 | 71.6 | 537 | 82.2 | 113 | 67.7 | 161 | 81.3 | |
| 5 | Highest education: |
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| ‒ No school | 51 | 2.2 | 6 | 0.9 | 11 | 1.6 | 28 | 4.3 | 6 | 3.6 | 0 | 0 | |
| ‒ Primary | 813 | 34.4 | 293 | 42.8 | 213 | 31.9 | 216 | 33.4 | 42 | 25.1 | 49 | 25.0 | |
| ‒ Secondary | 400 | 16.9 | 108 | 15.8 | 117 | 17.5 | 139 | 21.5 | 29 | 17.4 | 7 | 3.6 | |
| ‒ High school | 453 | 19.2 | 71 | 10.4 | 193 | 28.9 | 62 | 9.6 | 22 | 13.2 | 105 | 53.6 | |
| ‒ College and above | 645 | 27.3 | 207 | 30.2 | 134 | 20.1 | 201 | 31.1 | 68 | 40.7 | 35 | 17.9 | |
| 6 | Employment: |
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| ‒ Famer/fisher | 69 | 2.9 | 15 | 2.2 | 42 | 6.2 | 9 | 1.4 | 0 | 0 | 3 | 1.5 | |
| ‒ Officer/worker | 288 | 12.1 | 56 | 8.2 | 139 | 20.6 | 45 | 6.9 | 4 | 2.4 | 44 | 22.2 | |
| ‒ Self-employment/free-labor | 1847 | 77.6 | 553 | 80.6 | 431 | 63.9 | 580 | 88.8 | 161 | 95.8 | 122 | 61.6 | |
| ‒ Unemployment | 137 | 5.8 | 60 | 8.7 | 54 | 8.0 | 18 | 2.8 | 1 | 0.6 | 4 | 2.0 | |
| ‒ Student | 38 | 1.6 | 2 | 0.3 | 8 | 1.2 | 1 | 0.2 | 2 | 1.2 | 25 | 12.6 | |
| 7 | Monthly Income: |
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| ‒ No income | 152 | 6.4 | 58 | 8.5 | 55 | 8.2 | 19 | 2.9 | 5 | 3.1 | 15 | 7.5 | |
| ‒ Under 1.5 million VND | 87 | 3.7 | 39 | 5.7 | 28 | 4.2 | 17 | 2.6 | 1 | 0.6 | 2 | 1.0 | |
| ‒ 1.5 to under 5 million VND | 1128 | 47.7 | 337 | 49.3 | 317 | 47.4 | 342 | 52.5 | 59 | 36.9 | 73 | 36.7 | |
| ‒ 5 to under 10 million VND | 938 | 39.7 | 230 | 33.6 | 249 | 37.2 | 268 | 41.1 | 84 | 52.5 | 107 | 53.8 | |
| ‒ 10 million VND and higher | 59 | 2.5 | 20 | 2.9 | 20 | 3.0 | 6 | 0.9 | 11 | 6.9 | 2 | 1.0 | |
| 8 | HIV positive: | 967 | 40.6 | 110 | 16.0 | 674 | 100 | 115 | 17.6 | 13 | 7.7 | 55 | 27.6 |
| ‒ Malea | 844 | 40.8 | 105 | 15.7 | 568 | 100 | 109 | 17.4 | 0 | 0 | 55 | 27.6 | |
| ‒ Femaleb | 123 | 39.4 | 5 | 26.3 | 99 | 100 | 6 | 23.1 | 13 | 7.7 | 0 | 0 | |