Prevalence of sub-clinical vitamin A deficiency in 2-5-year-old children in Tehran
AbstractTo determine vitamin A status using conjunctival impression cytology [CIC] in children aged 2- 5 years, we assessed 1257 randomly selected children in urban and rural areas of Tehran. History of using supplemental vitamin A, respiratory or diarrhoeal infection in the previous 6 months, residential location, parents' education, family economic status, and child's age, sex and weight were recorded. Sub- clinical vitamin A deficiency [defined as abnormal CIC] was found in 23.6% of the sample, a rate classified as a moderate public health problem. There was a statistically significant relationship, between sex and age and abnormal CIC [P < 0.05]
Rostami, N., Farsar, A.R. & Shiva, N. (2007). Prevalence of sub-clinical vitamin A deficiency in 2-5-year-old children in Tehran. http://www.who.int/iris/handle/10665/117271
EMHJ - Eastern Mediterranean Health Journal, 13 (2), 273-279, 2007
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