Table 3 Associations between reproductive health characteristics and serological reactivity for HPV16
Characteristic and categories | HPV16 seroreactivity 425/1624 (%)* | OR (95%CI)** | |
|---|---|---|---|
Unadjusted | Adjusted (HPV16 and age) | ||
Oral Contraceptives: | |||
Never | 60/264 (18.5) | 1.0 | 1.0 |
<6 years | 235/885 (21.0) | 1.17 (0.85-1.60) | 1.21 (0.88-1.67) |
6+ years | 130/475 (21.5) | 1.20 (0.86-1.69) | 1.07 (0.76-1.51) |
Inter-uterine Device (IUD): | |||
Never | 281/1010 (21.8) | 1.0 | 1.0 |
Ever | 144/614 (19.0) | 0.84 (0.67-1.05) | 0.88 (0.70-1.10) |
Condom Use: | |||
Never | 177/600 (22.8) | 1.0 | 1.0 |
Rarely | 144/574 (20.1) | 0.85 (0.66-1.09) | 0.88 (0.66-1.08) |
Sometimes/always | 98/423 (18.8) | 0.78 (0.59-1.02) | 0.84 (0.63-1.12) |
Menstrual Cycle***: | |||
Follicular phase | 185/745 (19.9) | 1.0 | 1.0 |
Luteal phase | 136/526 (20.5) | 1.04 (0.81-1.33) | 1.04 (0.81-1.34) |
Parity: | |||
0-1 | 55/277 (16.6) | 1.0 | 1.0 |
2-4 | 237/943 (20.1) | 1.27 (0.92-1.74) | 1.16 (0.83-1.61) |
5+ | 133/389 (25.5) | 1.72 (1.21-2.44) | 1.38 (0.94-2.01) |
Abortion: | |||
No abortion | 216/804 (21.2) | 1.0 | 1.0 |
One abortion | 96/338 (22.1) | 1.05 (0.80-1.38) | 0.99 (0.75-1.31) |
2+ abortions | 77/262 (22.7) | 1.09 (0.81-1.47) | 0.98 (0.72-1.33) |
Vaginal Douching: | |||
Never/occasional | 379/1457 (20.6) | 1.0 | 1.0 |
Frequent | 26/95 (21.5) | 1.06 (0.67-1.66) | 1.06 (0.67-1.67) |