Table 5. Binary logistic regression analysis for factors associated with atopic dermatitis.

Predictors	Odds ratios	Confidence interval	p-value
(Intercept)	1.17	0.61–2.24	0.633
Sex: Male vs. Female	0.56	0.40–0.77	< 0.001
Age: < 18 years	Ref
Age: 18–35 years	0.96	0.52–1.81	0.906
Age: 36–55 years	1.20	0.57–2.56	0.624
Age: > 55 years	0.56	0.20–1.53	0.260
Smoker: Non-smoker	Ref
Smoker: Ex-smoker	2.09	1.19–3.67	0.010
Smoker: Sometimes	1.78	1.11–2.84	0.016
Smoker: Daily	2.27	1.59–3.25	< 0.001
Marital status: Single	Ref
Marital status: Divorced	0.59	0.17–1.79	0.369
Marital status: Married	1.24	0.83–1.83	0.288
Marital status: Widowed	0.44	0.06–2.34	0.359
Exercise	0.94	0.83–1.07	0.330
Family history: Yes vs. No	3.3	2.56–4.35	< 0.001
Comorbidities
Asthma: Yes vs. No	0.82	0.55–1.21	0.313
Allergic rhinitis: Yes vs. No	1.61	1.08–2.41	0.019
Food allergy: Yes vs. No	3.40	2.15–5.50	< 0.001