Prevalence ratios of associated factors and HPV/STI coinfection. POP-Brazil Study, 2016–2017
| Model 1 | Model 2 | Model 3 | |
| Prevalence ratio (95% CI) | |||
| Male sex | 1.67 (1.14; 2.43) | 1.20 (0.85; 1.69) | 1.09 (0.71; 1.66) |
| Education level | |||
| Elementary school (complete or incomplete) | 1.13 (0.60; 2.12) | 0.87 (0.48; 1.60) | 0.92 (0.44; 1.93) |
| Secondary school (complete or incomplete) | 1.07 (0.63; 1.82) | 1.04 (0.63; 1.72) | 1.25 (0.67; 2.33) |
| Graduate education (complete or incomplete) | 1 | 1 | 1 |
| Socioeconomic class | |||
| A–B | 1 | 1 | 1 |
| C | 1.53 (0.86; 2.71) | 1.69 (0.96; 2.98) | 1.52 (0.80; 2.90) |
| D–E | 1.36 (0.72; 2.56) | 1.49 (0.79; 2.82) | 1.46 (0.71; 3.01) |
| Relationship status | |||
| With a partner | 1 | 1 | 1 |
| Without a partner | 1.25 (0.83; 1.89) | 1.19 (0.81; 1.75) | 1.12 (0.74; 1.69) |
| Smoking status | |||
| Non-smoker | 1 | 1 | |
| Smoker | 1.77 (1.17; 2.67) | 1.64 (1.03; 2.61) | |
| Ex-smoker | 1.17 (0.76; 1.80) | 1.27 (0.79; 2.05) | |
| Alcohol consumption | 1.42 (0.87; 2.32) | 1.03 (0.61; 1.75) | |
| Drug use | 1.97 (1.38; 2.82) | 1.58 (1.05; 2.39) | |
| Condom use at last sexual intercourse | 0.92 (0.62; 1.35) | ||
| More than two partners in the last year | 1.43 (0.96; 2.14) | ||
| Age at first sexual intercourse | 0.96 (0.86; 1.06) | ||
| Ever had same-sex sexual experience | 2.15 (1.27; 3.62) | ||
Model 1: Sex, education level, socioeconomic class and relationship status.
Model 2: Model 1+smoking status, alcohol consumption and drug use.
Model 3: Model 2+condom use at last sexual intercourse, more than two partners in the last year, age at first sexual intercourse and ever had same-sex experience.
HPV, human papillomavirus; STI, sexually transmitted infection.