Table 2.
Baseline background characteristics predicting human papillomavirus vaccination uptake (among participants who completed Month 12 follow-up, n = 274).
| OR (95%CI) | p Values | |
|---|---|---|
| Socio-demographics | ||
| Age group (years) | ||
| 18–24 | 1.0 | |
| 25–30 | 0.80 (0.32, 2.03) | 0.64 |
| 31–40 | 0.43 (0.16, 1.16) | 0.10 |
| >40 | 0.63 (0.18, 2.17) | 0.46 |
| Relationship status | ||
| Currently single | 1.0 | |
| Married or cohabited with a man | 0.77 (0.35, 1.68) | 0.51 |
| Highest education level attained | ||
| Secondary or below | 1.0 | |
| Tertiary of above | 1.78 (0.60, 5.29) | 0.30 |
| Employment status | ||
| Full-time | 1.0 | |
| Part-time/unemployed/retired/students | 0.57 (0.21, 1.54) | 0.27 |
| Monthly personal income, HK$ (US$) | ||
| <10,000 (1282) | 1.0 | |
| 10,000–19,999 (1282–2564) | 1.53 (0.41, 5.80) | 0.53 |
| 20,000–39,999 (2565–5128) | 1.73 (0.47, 6.33) | 0.41 |
| 40,000 (5129) | 2.00 (0.50, 8.00) | 0.33 |
| Refuse to disclose | N.A. | N.A. |
| Sexual orientation | ||
| Homosexual | 1.0 | |
| Bisexual | 1.11 (0.36, 3.45) | 0.86 |
| Lifestyles | ||
| Smoking in lifetime | ||
| No | 1.0 | |
| Yes | 0.88 (0.42, 1.84) | 0.74 |
| Drinking in the past year | ||
| No | 1.0 | |
| Yes | 0.96 (0.46, 2.03) | 0.92 |
| History of HIV and other STIs and service utilization | ||
| Self-reported HIV sero-status | ||
| Negative | 1.0 | |
| Positive | 5.28 (0.72, 38.55) | 0.10 |
| Refuse to disclose | 3.96 (0.85, 18.36) | 0.08 |
| Had never tested for HIV antibody | 0.49 (0.06, 3.82) | 0.49 |
| History of HPV infection and/or genital warts | ||
| No | 1.0 | |
| Yes | 6.02 (2.60, 13.94) | <0.001 |
| History of other STIs (Yes) | ||
| No | 1.0 | |
| Yes | 1.02 (0.44, 2.36) | 0.96 |
| Utilization of other HIV/STI prevention services (e.g., receiving free condoms, peer education and pamphlets, and attending seminars) | ||
| No | 1.0 | |
| Yes | 1.98 (1.01, 3.89) | 0.046 |
| Sexual behaviors in the past six months | ||
| Anal intercourse with regular male sex partners | ||
| No | 1.0 | |
| Yes | 1.08 (0.45, 2.60) | 0.87 |
| Anal intercourse with non-regular male sex partners | ||
| No | 1.0 | |
| Yes | 1.55 (0.82, 2.93) | 0.18 |
| Anal intercourse with male sex workers | ||
| No | 1.0 | |
| Yes | 1.67 (0.17, 16.39) | 0.66 |
| Condomless anal intercourse with men | ||
| No | 1.0 | |
| Yes | 1.26 (0.66, 2.38) | 0.49 |
| Multiple male sex partnerships | ||
| No | 1.0 | |
| Yes | 1.91 (0.99, 3.69) | 0.06 |
| Sexual intercourse with female sex partners | ||
| No | 1.0 | |
| Yes | N.A. | N.A. |
| Condomless sex with female sex partners | ||
| No | 1.0 | |
| Yes | N.A. | N.A. |
| Sexualized drug use (use of psychoactive substances before or during sexual intercourse) | ||
| No | 1.0 | |
| Yes | 1.58 (0.49, 5.07) | 0.45 |
OR: crude odds ratios; CI: confidence interval; HK: Hong Kong; HIV: human immunodeficiency virus; STI: sexually transmitted infection; HPV: human papillomavirus; and N.A.: not applicable.