TABLE 3.
Ordinal logistic regression for sunlight exposure among women; crude and adjusted analysis. Pelotas, Brazil, 2005
| Variables | Crude sunlight | Adjusted sunlight | Crude sunlight | Adjusted sunlight exposure | ||||
| Leisure time | Leisure time | Work | Work | |||||
| Odds ratio | P value | Odds ratio | P value | Odds ratio | P value | Odds ratio | P value | |
| 95% CI a | 95% CI a | 95% CI a | 95% CI a | |||||
| Age (years) | <0.001* | <0.001* | 0.006* | 0.02* | ||||
| 20 - 29 | 1.00 | 1.00 | 1.00 | 1.00 | ||||
| 30 - 39 | 0.50 (0.37 - 0.67) | 0.57 (0.41 - 0.81) | 0.93 (0.54 - 1.59) | 0.89 (0.52 - 1.53) | ||||
| 40 - 49 | 0.37 (0.27 - 0.51) | 0.46 (0.33 - 0.63) | 1.43 (0.88 - 2.31) | 1.35 (0.83 - 2.17) | ||||
| 50 - 59 | 0.24 (0.16 - 0.35) | 0.25 (0.17 - 0.38) | 0.98 (0.57 - 1.66) | 0.98 (0.58 - 1.65) | ||||
| ≥ 60 | 0.14 (0.10 - 0.21) | 0.21 (0.13 - 0.32) | 0.35 (0.19 - 0.62) | 0.33 (0.18 - 0.61) | ||||
| Self-reported skin color | 0.08* | 0.7* | 0.02* | 0.7* | ||||
| Black | 1.00 | 1.00 | 1.00 | 1.00 | ||||
| Brown (pardo) | 1.12 (0.72 - 1.74) | 1.08 (0.67 - 1.74) | 0.77 (0.42 - 1.44) | 0.84 (0.45 - 1.59) | ||||
| White | 1.37 (0.94 - 2.00) | 0.95 (0.63 - 1.44) | 0.70 (0.44 - 1.12) | 0.90 (0.55 - 1.46) | ||||
| Achieved schooling (years) | <0.001* | <0.001* | 0.06* | 0.1* | ||||
| 0 - 4 | 1.00 | 1.00 | 1.00 | 1.00 | ||||
| 5 - 8 | 2.06 (1.40 - 3.02) | 1.42 (0.97 - 2.08) | 0.97 (0.60 - 1.56) | 0.76 (0.47 - 1.25) | ||||
| 9 - 11 | 5.35 (3.59 - 7.96) | 2.74 (1.80 - 4.16) | 0.76 (0.46 - 1.26) | 0.67 (0.40 - 1.13) | ||||
| ≥ 12 | 10.86 (7.30 - 16.15 | 4.93 (3.10 - 7.87) | 0.61 (0.34 - 1.08) | 0.66 (0.36 - 1.23) | ||||
| Per capita monthly family income in quartiles (U$) | <0.001* | 0.002* | <0.001* | 0.006* | ||||
| 1st (0 to 70) | 1.00 | 1.00 | 1.00 | 1.00 | ||||
| 2nd (70.1 to 133) | 1.23 (0.87 - 1.75) | 1.10 (0.75 - 1.59) | 0.90 (0.60 - 1.35) | 0.99 (0.66 - 1.46) | ||||
| 3rd (133.1 to 267) | 1.65 (1.14 - 2.39) | 1.40 (0.91 - 2.16) | 0.47 (0.30 - 0.72) | 0.58 (0.37 - 0.91) | ||||
| 4th (267.1 to 8889) | 3.15 (2.21 - 4.48) | 2.02 (1.27 - 3.21) | 0.40 (0.24 - 0.67) | 0.52 (0.30 - 0.90) | ||||
| Knowledge of any friend or relative with skin cancer | 0.02† | 0.3† | 0.4† | 0.7† | ||||
| No | 1.00 | 1.00 | 1.00 | 1.00 | ||||
| Yes | 1.39 (1.07 - 1.81) | 1.15 (0.87 - 1.51) | 0.82 (0.54 - 1.25) | 0.93 (0.61 - 1.42) | ||||
†
Wald global association test
*
Wald test for linear trend