Table 3.
Significant variables according to the multivariate analysis of risk factors for STIs and cervical neoplasia.
| Infection | Variable | Multivariate OR* | (95% CI) | P-value** | |
|---|---|---|---|---|---|
| Gonococcal infection | Number of sexual partners | 1 | 1 | .014 | |
| >1 | 2.8 | (1.2; 6.2) | |||
|
| |||||
| Syphilis (RPR & IgG) | HPV | No | 1 | .005 | |
| Yes | 3.2 | (1.4; 7.5) | |||
|
| |||||
| Syphilis (RPR & IgG) | Marital status | Never married | 1 | .005 | |
| Married now | 0.7 | (0.1; 3.9) | |||
| Divorced or widowed | 3.6 | (0.6; 21.9) | |||
|
| |||||
| HPV | Cervical neoplasia | No | 1 | <.0001 | |
| Yes | 9.8 | (3.7; 26.3) | |||
| Unknown | 2.7 | (0.6; 12.0) | |||
|
| |||||
| HPV | RPR | No | 1 | <.0001 | |
| Yes | 4.1 | (1.9; 9.1) | |||
|
| |||||
| HPV | Anogenital warts | No | 1 | .054 | |
| Yes | 4.2 | (1.0; 17.8) | |||
|
| |||||
| HIV | Marital status | Never married | 1 | .005 | |
| Married now | 0.5 | (0.1; 2.3) | |||
| Divorced or widowed | 2.7 | (0.5; 16.0) | |||
|
| |||||
| HIV | Parity | None | 1 | .02 | |
| 1 child | 0.7 | (0.1; 3.6) | |||
| 2 to 5 | 0.6 | (0.1; 3.0) | |||
| more than 5 | 4.3 | (0.7; 26.9) | |||
|
| |||||
| HSV-2 | Age at first child | Never had | 1 | .014 | |
| 13–18 | 3.7 | (1.1; 12.9) | |||
| 19 | 48.7 | (3.0; 792.7) | |||
| 20–28 | 27.3 | (3.1; 241.2) | |||
| Unknown | 2.3 | (0.5; 9.7) | |||
|
| |||||
| HSV-2 | Selection of women | Antenatal clinic | 1 | .006 | |
| Family planning | 0.1 | (0.0; 0.8) | |||
| Other | 0 | (0.0; 0.3) | |||
|
| |||||
| Trichomona vaginalis | Husband's place of residence | Manhiça | 1 | .002 | |
| Maputo | 2.5 | (1.0; 6.3) | |||
| South Africa | 1.2 | (0.6; 2.4) | |||
| Unknown | 0.2 | (0.1; 0.6) | |||
|
| |||||
| Trichomona vaginalis | Anogenital warts | No | 1 | .018 | |
| Yes | 7.1 | (1.4; 36.5) | |||
|
| |||||
| HBsAg | Number of women living with husband | 1 | 1 | .028 | |
| >1 | 0.1 | (0.0; 0.8) | |||
|
| |||||
| Any treatable STI# | Anogenital warts | No | 1 | .007 | |
| Yes | 11 | (1.9; 63.1) | |||
|
| |||||
| Any active STI## | HSV-2 antibodies | No | 1 | .0029 | |
| Yes | 2.4 | (1.1; 5.4) | |||
|
| |||||
| Any active STI## | Chlamydia trachomatis | No | 1 | .042 | |
| Yes | 2.3 | (1.0; 5.1) | |||
|
| |||||
| Cervical neoplasia | HPV | No | 1 | <.0001 | |
| Yes | 10.1 | (3.7; 27.5) | |||
|
| |||||
| Cervical neoplasia | RPR | No | 1 | .068 | |
| Yes | 0.2 | (0.1; 1.1) | |||
*Adjusted by age and ethnic group.
**Likelihood Ratio Test versus model with variable removed.
#Any treatable STI: syphilis (RPR confirmed by IgG), gonococcal infection, trichomona vaginalis or Chlamydia trachomatis.
##Any active STI: syphilis (RPR confirmed by IgG), gonococcal infection, trichomona vaginalis, Chlamydia trachomatis, HPV or HIV infection.