Relationships between vitamin A, iron status and helminthiasis in Bangladeshi school children

[摘要] ObjectiveTo explore the relationships between biochemical indicators of vitamin A and iron status and the intestinal helminths Ascaris lumbricoides and hookworm in primary school children.SettingTwo rural governmental schools in northwestern Bangladesh.DesignCross-sectional study.SubjectsThe sample consisted of 164 children in grades 3–5.MethodsSerum retinol and β-carotene (by high-performance liquid chromatography, HPLC), haemoglobin (HemoCue), ferritin (enzyme-linked immunoadsorbent assay, ELIZA) and height and weight were measured. Dietary intake of vitamin A was assessed using a food frequency questionnaire and faecal analyses were done using Stoll's egg-count technique.ResultsThe mean serum retinol was 26.8 μg dl−1 and 20% had a level of

[学科分类] 卫生学

[关键词] Vitamin A deficiency;Iron deficiency;Anaemia;Iron deficiency anaemia;Helminthiasis;Retinol;Beta-carotene;Haemoglobin;Ferritin;Dietary intake;Primary school children;Bangladesh