Table 3.

Factors associated with asthma in multivariate logistic regression model

Variables	Odds ratio	CI 95% odds ratio	P
Age (each one year increased)	0.993	0.983-1.003	0.148
Sex (female/male)	0.847	0.782-0.918	<0.001
Body mass index (each one unit increase)	1.056	1.047-1.065	<0.001
Smoking (smoker/nonsmoker)	1.130	1.006-1.270	0.039
Junk food consumption
No use at all	Reference
2-3 days	0.851	0.627-1.157	0.298
1 day or not at all	0.848	0.631-1.140	0.271
Physical activity	0.787	0.711-0.871	<0.001
Fruit consumption
No use at all	Reference
<200 g/day	0.713	0.610-0.833	<0.001
≥200 g/day	0.671	0.571-0.788	<0.001
Vegetable consumption
No use at all	0.826	0.745-0.916	<0.001
Carbonated beverage
No use at all	Reference
2-3 days/week	1.151	1.061-1.248	0.001
All days	1.588	1.327-1.900	<0.001
Each hour decreased sleep duration reverse	1.275	1.115-1.459	0.001
Diabetic/nondiabetic	2.098	1.338-3.289	0.002
Smoking in family/no smoker in family	1.846	1.688-2.018	<0.001

CI=Confidence interval