Table 3.

Analysis between METS-IR index with asthma prevalence by using IPTW.

Characteristic	Model 1 OR (95%CI)	Model 2 OR (95%CI)	Model 3 OR (95%CI)	Model 4OR (95%CI)
Lower	1	1	1	1
Higher	1.332 (1.231, 1.441)	1.427 (1.316, 1.547)	1.298 (1.191, 1.416)	1.287(1.181, 1.402)

Model 1=no covariates were adjusted. Model 2=Model 1+age, gender, race were adjusted. Model3=Model 2+, diabetes, blood pressure, education, marital status, PIR, total water, total kcal, total sugar, smoked, physical activity, alcohol use, serum cholesterol, blood relative has asthma were adjusted. Model 4=after IPTW.