Table 4.

The associations between UPFs and eczema by sex in children, NHANES 2005–2006.

UPFs	Eczema in female	Eczema in male
Q1	ref = 1.00	ref = 1.00
Q2	2.39 (0.70, 8.15)	0.60 (0.24, 1.50)
Q3	4.81 (1.87, 12.38)	0.55 (0.24, 1.27)
Q4	2.90 (0.97, 8.74)	0.67 (0.26, 1.71)
	p for trend = 0.0114	p for trend =0.4107

All models were adjusted for age, race/ethnicity, family income ratio, BMI, tobacco exposure, animals, cockroaches, and mildew.