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Table 4 Risk factors for children with VAD and low serum Vitamin A status (multivariate logistic regression analysis)(n = 357)

From: The survey of serum retinol of the children aged 0~4 years in Zhejiang Province, China

Variable Odds ratio 95% confidence interval P-value
Age (per unit increase in month) 0.64 0.45–1.11 < 0.001
Residential regions(urban vs rural) 4.52 1.48–8.92 0.004
Average education years of parents (per unit increase in year of education) 0.77 0.67–0.89 < 0.001
Oral administration of vitamin A capsule(no vs yes) 0.35 0.11–1.01 0.007