Table 2. Age- and Sex-Adjusted Odds Ratios for Selected Nonmelanoma Skin Cancer Risk Factors.
| Risk Factor | No. (%) | P Value | Odd Ratio (95% CI) | ||
|---|---|---|---|---|---|
| Cases | Controls | Crude | Adjusteda | ||
| Hair color | |||||
| Light | 16 (17) | 14 (14) | .60 | 1.23 (0.56-2.68) | 1.17 (0.51-2.71) |
| Dark | 80 (83) | 86 (86) | 1.0 [Reference] | 1.0 [Reference] | |
| Eye color | |||||
| Light | 67 (69) | 49 (49) | .004 | 2.32 (1.30-4.16) | 2.47 (1.30-4.67) |
| Dark | 30 (31) | 51 (51) | 1.0 [Reference] | 1.0 [Reference] | |
| Skin color | |||||
| Light | 81 (84) | 50 (50) | <.001 | 5.06 (2.61-9.84) | 5.79 (2.79-11.99) |
| Dark | 16 (17) | 50 (50) | 1.0 [Reference] | 1.0 [Reference] | |
| Family history | |||||
| Yes | 61 (63) | 51 (51) | .09 | 1.63 (0.92-2.88) | 1.66 (0.90-3.07) |
| No | 36 (37) | 49 (49) | 1.0 [Reference] | 1.0 [Reference] | |
| Tan score | |||||
| Moderate/poor | 71 (73) | 55 (55) | .008 | 2.23 (1.23-4.06) | 2.35 (1.23-4.48) |
| Good | 26 (27) | 45 (45) | 1.0 [Reference] | 1.0 [Reference] | |
| No. of severe sunburns | |||||
| ≥4 | 73 (76) | 59 (59) | .01 | 2.21 (1.19-4.08) | 2.59 (1.31-5.10) |
| <4 | 23 (24) | 41 (41) | 1.0 [Reference] | 1.0 [Reference] | |
a
Adjusted for age and sex in a logistic model.