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How do they grow? A study of south‐eastern Nigerian adolescent girls

This study assessed the nutritional status of Nigerian adolescent girls living in two areas of south‐eastern Nigeria. A cross sectional survey was undertaken in a rural village in Ogoniland, and five secondary schools in Port Harcourt, south‐eastern Nigeria. All (386) menarcheal girls aged 14–19 y living in the rural village, and a stratified cluster sample (845) of menarcheal girls aged 14–19 in the five urban schools were investigated. Mean heights and weights of rural girls were around ‐1 Z‐score below the British reference median. 10. 4% of rural and 4. 7% of urban girls were stunted (≤2nd centile, British 1990 reference values). After calculating mean body mass index‐for‐age, various cut‐off points for low body mass index were tested. At a cut‐off of ≤9th centile, 15. 6% of rural and 8. 0% of urban girls would be classified as thin. Girls with a haemoglobin < 10. 0 g/dl were significantly more likely to have a low body mass index than those with haemoglobin values a 10. 0 g/dl. More studies are needed to refine the definition and interpretation of low body mass index in adolescents.