Factors associated with blood lead levels in children in Shenyang, China: a cross-sectional study

BMC Pediatrics

Table 4 Multivariate logistic regression model of probability of blood lead levels ≥20 μg/L

Variable		Adjusted OR^a	95%CI	p-value
Maternal education	≤high school	1
Maternal education	college or higher	0.650	0.355–1.188	0.161
Hand washing before meals	seldom or not	1
Hand washing before meals	often	0.427	0.238–0.767	0.004
Fruit	<1 times/day	1
Fruit	≥1 times/day	0.622	0.317–1.221	0.168
Bean products	≤2 times/week	1
Bean products	>2 times/week	1.449	0.797–2.632	0.224
Puffed food	<1 times/week	1
Puffed food	≥1 times/week	1.714	1.012–2.901	0.045
Eggs	<1 times/day	1
Eggs	≥1 times/day	1.787	1.000–3.192	0.050

^aAdjusted for maternal education, hand washing frequency, and consumption of fruit, bean products, puffed grains, and eggs. CI confidence interval, OR odds ratio

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