Table 3.
Association of second-hand smoke with inflammatory skin diseases.
| Atopic Dermatitis | Chronic Hand Eczema | Urticaria | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Case (n = 481) |
Control (n = 18,583) |
p | Case (n = 560) |
Control (n = 18,504) |
p | Case (n = 1332) |
Control (n = 17,732) |
p | |
| Never | 362 (75.3%) | 14,738 (79.3%) | 0.042 | 393 (70.2%) |
14,707 (79.5%) |
<0.001 | 1010 (75.8%) |
14,090 (79.5%) |
0.002 |
| <1 day/week | 84 (17.5%) |
2513 (13.5%) |
109 (19.5%) |
2488 (13.4%) |
223 (16.7%) |
2374 (13.4%) |
|||
| ≥1 day/week | 35 (7.3%) |
1332 (7.2%) |
58 (10.4%) |
1309 (7.1%) |
99 (7.4%) |
1268 (7.2%) |
|||