Table 5.

Analysis between WWI index with onset age of asthma.

Characteristic	Model 1β (95%CI)	Model 2β (95%CI)	Model 3β (95%CI)
WWI Index	7.42 (6.87,7.98)	6.80 (6.22,7.39)	3.89 (3.24,4.54)

Model 1 was adjusted for no covariates;

Model 2 was adjusted for race, gender, marital status and education;

Model 3 was adjusted for covariates in Model 2+diabetes, blood pressure, asthma, PIR, total water, total kcal, total sugar, smoked, physical activity, alcohol use, serum cholesterol, serum uric acid, coronary artery disease, cancers and serum glucose were adjusted.