*Sample size n out of total of N = 227 for MSM and N = 69 for FSW (seeds not included) †Population estimates computed using RDSII/DA estimator method [30] ∧Level of education is defined as follows: “l
* 0.5 used to calculate OR in cells with a count of 0.† p-value ‡ p-value § p-value ◇Han Chinese or Kinh Vietnamese.Correlated factors for HIV-1 infection in overall FSWs.