Table 3.
Factors associated with cervical HPV infection in sex workers, Soc Trang province, Vietnam
| Any HPV Adj. PR1 (95% CI) | Oncogenic HPV Adj. PR1 (95% CI) | Multiple HPV Adj. PR1 (95% CI) | |
| Education | |||
| None | 1.00 | 1.00 | 1.00 |
| Primary School | 0.92 (0.73–1.15) | 0.80 (0.58–1.11) | 0.82 (0.56–1.21) |
| Secondary-high school | 0.80 (0.61–1.04) | 0.63 (0.42–0.93) | 0.61 (0.38–0.99) |
| No. of clients per month (average) | |||
| <10 | 1.00 | 1.00 | 1.00 |
| 10–25 | 1.03 (0.92–1.16) | 1.06 (0.87–1.30) | 1.14 (0.83–1.57) |
| >25 | 0.78 (0.65–0.94) | 0.66 (0.48–0.92) | 0.70 (0.47–1.06) |
| p trend = 0.93 | p trend = 0.43 | p trend = 0.49 | |
| Regular partner has other female partners2,3 | |||
| No | 1.00 | 1.00 | 1.00 |
| Yes | 1.22 (1.03–1.44) | 1.75 (1.34–2.28) | 1.91 (1.41–2.60) |
| Intrauterine device4 | |||
| Never | 1.00 | 1.00 | 1.00 |
| Ever | 0.85 (0.68–1.06) | 0.58 (0.31–1.08) | 0.53 (0.29–0.99) |
| Withdrawal4 | |||
| Never | 1.00 | 1.00 | 1.00 |
| Ever | 0.84 (0.73–0.97) | 0.68 (0.53–0.87) | 0.60 (0.43–0.83) |
| HIV4 | |||
| Negative | 1.00 | 1.00 | 1.00 |
| Positive | 1.20 (1.01–1.42) | 1.42 (1.08–1.88) | 1.45 (1.01–2.10) |
| Age of regular partner (yrs.)2 | |||
| <30 | 1.00 | 1.00 | 1.00 |
| 30+ | 1.21 (1.03–1.44) | 1.16 (0.92–1.46) | 1.22 (0.86–1.73) |
1Adjusted for all variables listed in addition to age, condom use with regular clients, gonorrhea, sex work venue
2153 FSW had a regular male partner
3 Responses missing from 2 subjects
4 Response missing from 1 subject