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Table 3 Risk factors for children with VAD and low serum Vitamin A status (univariate 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) 0.76 0.38–1.07 < 0.001
Residential regions(urban vs rural) 4.65 1.52–8.74 < 0.001
Average education years of parents (per unit increase in year of education) 0.84 0.75–0.94 0.003
Oral administration of vitamin A capsule(no vs yes) 0.42 0.18–1.12 0.005