Table 3 Bivariate and multivariate analyses of Digital Rectal Examination in Brazilian men, private health plan and SUS users, according to the independent variables
| Â | Private | Public | ||||||
|---|---|---|---|---|---|---|---|---|
Variables | PR CI (95%) | p value | Adjusted PR CI (95%) | p* value | PR CI (95%) | p* value | Adjusted PR CI (95%) | p* value |
Age group | ||||||||
 40–49 | 0.57(0.50–0.66) | < 0.001 | 0.57(0.50–0.66) | < 0.001 | 0.52(0.46–0.60) | < 0.001 | 0.54(0.47–0.62) | < 0.001 |
 50–59 | 1 |  | 1 |  | 1 |  | 1 |  |
 60–69 | 1.30(1.19–1.41) |  | 1.32(1.21–1.43) |  | 1.27(1.15–1.41) |  | 1.22(1.10–1.35) |  |
 70–79 | 1.31(1.19–1.45) |  | 1.31(1.19–1.45) |  | 1.43(1.28–1.60) |  | 1.34(1.20–1.49) |  |
 80 | 1.31(1.12–1.54) |  | 1.30(1.12–1.52) |  | 1.21(1.01–1.46) |  | 1.31(1.09–1.57) |  |
Self-reported skin color | ||||||||
 White | 1 | 0.149 | – | – | 1 | < 0.001 | – | – |
 Non white | 0.93(0.85–1.02) |  | – | – | 0.87(0.80–0.95) |  | – | – |
Marital status | ||||||||
 No spouse | 1 | 0.014 | 1 | 0.006 | 1 | < 0.001 | 1 | < 0.001 |
 With spouse | 1.15(1.03–1.29) |  | 1.15(1.04–1.26) |  | 1.27(1.15–1.40) |  | 1.26(1.15–1.38) |  |
Health self-perception | ||||||||
 Very good/good | 1 | 0.043 | – | – | 1 | < 0.001 | 1 | 0.009 |
 Regular | 1.12(1.01–1.23) |  | – | – | 1.31(1.20–1.43) |  | 1.13(1.04–1.23) |  |
 Bad/Very bad | 1.17(0.95–1.44) |  | – | – | 1.42(1.27–1.60) |  | 1.25(1.11–1.42) |  |
Alcohol consumption | ||||||||
 Abstinent | 1.10(0.93–1.29) | 0.548 | – | – | 1.61(1.35–1.92) | < 0.001 | 1.29(1.09–1.54) | 0.016 |
 Moderate | 1.09(0.91–1.30) |  | – | – | 1.43(1.18–1.73) |  | 1.26(1.05–1.52) |  |
 Excessive | 1 |  | – | – | 1 |  | 1 |  |
Tobacco consumption | ||||||||
 Never smoked | 1.20(1.02–1.42) | < 0.001 | 1.24(1.07–1.44) | 0.014 | 1.30(1.15–1.47) | < 0.001 | 1.23(1.10–1.38) | < 0.001 |
 Ex-smoker | 1.40(1.18–1.67) |  | 1.20(1.03–1.40) |  | 1.56(1.38–1.76) |  | 1.27(1.13–1.42) |  |
 Smoker | 1 |  | 1 |  | 1 |  | 1 |  |
Brazil criterion | ||||||||
 A and B | 1 | 0.107 | – | – | 1 | 0.016 | – |  |
 C | 0.90(0.81–1.00) |  | – | – | 0.99(0.88–1.12) |  | – |  |
 D and E | 0.92(0.83–1.02) |  | – | – | 0.88(0.77–0.99) |  | – |  |
Education level | ||||||||
 Iliterate | 1 | 0.019 | – | – | 1 | 0.044 | 1 | < 0.001 |
 Primary | 0.93(0.78–1.11) |  | – | – | 1.09(0.98–1.22) |  | 1.17(1.05–1.31) |  |
 High school | 0.81(0.68–0.97) |  | – | – | 1.09(0.94–1.25) |  | 1.35(1.18–1.55) |  |
 Undergraduate | 0.94(0.79–1.13) |  | – | – | 1.28(1.08–1.52) |  | 1.67(1.42–1.97) |  |
Employment | ||||||||
 Employed | 1 | < 0.001 | – |  | 1 | < 0.001 | – |  |
 Unemployed | 1.33(1.21–1.46) |  | – |  | 1.43(1.32–1.54) |  | – |  |
Multimorbidity | ||||||||
 0 or 1 | 1 | < 0.001 | – |  | 1 | < 0.001 | 1 | < 0.001 |
 2 | 1.25(1.13–1.38) |  | – |  | 1.51(1.37–1.67) |  | 1.24(1.13–1.37) |  |
 3 | 1.34(1.19–1.50) |  | – |  | 1.75(1.55–1.98) |  | 1.32(1.16–1.51) |  |
 4 or more | 1.27(1.10–1.47) |  | – |  | 1.94(1.72–2.19) |  | 1.38(1.23–1.56) |  |
Geographic region | ||||||||
 Southeast | 1 | 0.247 | – |  | 1 | < 0.001 | 1 | < 0.001 |
 South | 1.04(0.93–1.16) |  | – |  | 0.89(0.78–1.01) |  | 0.89(0.79–1.01) |  |
 Midwest | 0.99(0.88–1.10) |  | – |  | 0.98(0.87–1.10) |  | 1.06(0.95–1.18) |  |
 Northeast | 0.96(0.85–1.07) |  | – |  | 0.80(0.72–0.89) |  | 0.88(0.79–0.97) |  |
 North | 0.82(0.68–1.00) |  | – |  | 0.69(0.60–0.79) |  | 0.78(0.69–0.89) |  |
Housing zone | ||||||||
 Urban | 1.64(1.28–2.10) | < 0.001 | 1.68(1.35–2.10) | < 0.001 | 1.27(1.15–1.39) | < 0.001 | 1.15(1.05–1.25) | 0.004 |
 Rural | 1 |  | 1 |  | 1 |  | 1 |  |