Variable | p | aOR | 95% CI |
---|---|---|---|
Gender (females vs males*) | 0.001 | 4.39 | 1.80–10.68 |
Age | < 0.001 | 1.05 | 1.03–1.08 |
Use of hydrating cream (yes vs no*) | 0.002 | 4.30 | 1.70–10.85 |
Passive smoking (yes vs no*) | 0.069 | 1.64 | 0.96–2.79 |
Working near a power plant (yes vs no*) | 0.039 | 3.07 | 1.06–8.88 |
NO2 exposure categories (vs no exposure*) | 0.105 | ||
Mild | 0.149 | 2.28 | 0.74–7.02 |
Moderate | 0.436 | 1.53 | 0.53–4.43 |
Severe | 0.022 | 8.24 | 1.36–49.90 |
Number of family members with acne or history of acne | 0.035 | 1.48 | 1.03–2.13 |
Skin type | < 0.001 | ||
Normal | 1 | ||
Dry | < 0.001 | 0.20 | 0.09–0.44 |
Mixed | 0.103 | 0.41 | 0.14–1.20 |
Oily | 0.149 | 0.61 | 0.31–1.20 |