Odd ratios were calculated per IQR increase in exposure.
Model 1, single-pollutant mode.
Model 2, models were adjusted for other pollutants, paternal atopy,
maternal work during pregnancy, maternal primipara, monthly household
income, open windows often, and use an air purifier. The VIF value of
PM10, PM2.5, and
PM2.5-10 was over 5, which was multicollinearity and not
included in the model at the same time.