S H Dijkstra, A van Beek, J W Janssen, et al. High prevalence of vitamin D deficiency in newborn infants of high-risk mothers. Arch Dis Child 2007;92:750–3. The position of the p Value (0.001) in the last column of table 1 is listed in the row titled “Winter, n (%)” and should have been listed in the row titled “Vitamin D deficient, n (%)”. We apologise for this error.