Association between sun-protective behaviours and psoriasis
| Model | Presence of psoriasis by sun-protective behaviours | |||
| Staying in the shade | Wearing long sleeves | Using sunscreen | Overall sun protection | |
| OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
| Unadjusted | ||||
| Rare | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
| Moderate | 0.99 (0.66 to 1.50) | 0.55 (0.34 to 0.89)* | 1.47 (0.98 to 2.20) | 0.93 (0.65 to 1.32) |
| Frequent | 1.33 (0.88 to 2.02) | 1.26 (0.77 to 2.03) | 1.22 (0.84 to 1.76) | 1.91 (1.08 to 3.39)* |
| Adjusted† | ||||
| Rare | 1 (reference) | 1 (reference) | 1 (reference) | 1 (reference) |
| Moderate | 0.95 (0.62 to 1.45) | 0.55 (0.33 to 0.90)* | 1.25 (0.82 to 1.91) | 0.90 (0.62 to 1.31) |
| Frequent | 1.42 (0.92 to 2.18) | 1.36 (0.82 to 2.26) | 0.96 (0.62 to 1.50) | 1.67 (0.90 to 3.12) |
Boldface indicates statistical significance.
*P<0.05, **P<0.01.
†Adjusted for sociodemographic variables, body mass index, alcohol drinking status, smoking status, sun sensitivity and time spent outdoors.