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inclusion criteria (N = 5,128)
| Inclusion criteria | % (n) |
|---|---|
| Vietnamese citizen residing in Viet Nam |
88.9 (4561) |
| Male (Identity) |
88.7 (4546) |
| Male (Biological) |
84.1 (4314) |
| Past Research Participation |
81.9 (4202) |
| 18 Years or Older |
78.2 (4008) |
| Intercourse with Men (≤ 12 mos) |
56.0 (2872) |
| All Inclusion Criteria Met | 40.5 (2077) |
