Vitamin D Status among Young Children Aged 1–3 Years: A Cross-Sectional Study in Wuxi, China

Abstract

The prevalence of vitamin D deficiency was 16.1% among young children aged 1-3 y in Wuxi. Season and child age were associated with their vitamin D status. It is implied that young children should receive adequate amounts of vitamin D supplementation and spend more time outdoors to prolong the sunlight exposure when they grow older.