{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,30]],"date-time":"2026-05-30T00:31:58Z","timestamp":1780101118574,"version":"3.54.0"},"reference-count":13,"publisher":"Cambridge University Press (CUP)","issue":"3","license":[{"start":{"date-parts":[[2007,1,2]],"date-time":"2007-01-02T00:00:00Z","timestamp":1167696000000},"content-version":"unspecified","delay-in-days":1676,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Public Health Nutr."],"published-print":{"date-parts":[[2002,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec id=\"S1368980002000587_sec01\"><jats:title>Objective:<\/jats:title><jats:p>To assess the effect on the haemoglobin concentrations of schoolchildren of weekly iron tablets administered by teachers.<\/jats:p><\/jats:sec><jats:sec id=\"S1368980002000587_sec02\"><jats:title>Design:<\/jats:title><jats:p>Sixty schools were randomly assigned to two groups: in 30 schools children were given weekly for 10 weeks a tablet providing 65 mg of iron and 0.25 mg of folic acid; in the other 30 schools no iron tablets were given. All children were dewormed and given vitamin A before the study began. The haemoglobin concentration of up to 20 randomly selected children in each school was estimated before and 2 weeks after the end of treatment.<\/jats:p><\/jats:sec><jats:sec id=\"S1368980002000587_sec03\"><jats:title>Setting:<\/jats:title><jats:p>Rural community schools in Kolondieba district of Mali.<\/jats:p><\/jats:sec><jats:sec id=\"S1368980002000587_sec04\"><jats:title>Subjects:<\/jats:title><jats:p>Some 1113 schoolchildren aged 6\u201319 years with a mean of 11.4 years.<\/jats:p><\/jats:sec><jats:sec id=\"S1368980002000587_sec05\"><jats:title>Results:<\/jats:title><jats:p>The haemoglobin concentration of treated children rose on average by 1.8 g l<jats:sup>-1<\/jats:sup> (<jats:italic>P<\/jats:italic> &lt; 0.001) and the prevalence of anaemia fell by 8.2% (<jats:italic>P<\/jats:italic> &lt; 0.001); in untreated children the haemoglobin concentration fell by an average of -2.7 g l<jats:sup>-1<\/jats:sup> (<jats:italic>P<\/jats:italic> &lt; 0.001) and the prevalence of anaemia rose by 9.4% (<jats:italic>P<\/jats:italic> &lt; 0.001). The fall in haemoglobin concentration among untreated girls of -4.0 g l<jats:sup>-1<\/jats:sup> was greater than in untreated boys (-0.3 g l<jats:sup>-1<\/jats:sup>, <jats:italic>P<\/jats:italic> &lt; 0.001).<\/jats:p><\/jats:sec><jats:sec id=\"S1368980002000587_sec06\"><jats:title>Conclusions:<\/jats:title><jats:p>Weekly iron tablets given by teachers prevented a general fall in the haemoglobin concentrations of untreated children, and led to a small but statistically significant rise among treated children (<jats:italic>P<\/jats:italic> &lt; 0.001). Young children benefited more than children aged \u226512 years, and girls benefited more than boys.<\/jats:p><\/jats:sec>","DOI":"10.1079\/phn2001327","type":"journal-article","created":{"date-parts":[[2003,2,26]],"date-time":"2003-02-26T12:47:22Z","timestamp":1046263642000},"page":"413-418","source":"Crossref","is-referenced-by-count":44,"title":["A randomised trial in Mali of the effectiveness of weekly iron supplements given by teachers on the haemoglobin concentrations of schoolchildren"],"prefix":"10.1017","volume":"5","author":[{"given":"Andrew","family":"Hall","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Natalie","family":"Roschnik","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fatimata","family":"Ouattara","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Idrissa","family":"Tour\u00e9","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fadima","family":"Maiga","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Moussa","family":"Sacko","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Helen","family":"Moestue","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohamed Ag","family":"Bendech","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"56","published-online":{"date-parts":[[2007,1,2]]},"reference":[{"key":"S1368980002000587_ref009","doi-asserted-by":"publisher","DOI":"10.1093\/jn\/130.11.2691"},{"key":"S1368980002000587_ref006","doi-asserted-by":"publisher","DOI":"10.1016\/S0035-9203(99)90306-1"},{"key":"S1368980002000587_ref005","doi-asserted-by":"publisher","DOI":"10.1093\/ajcn\/50.3.667"},{"key":"S1368980002000587_ref002","first-page":"159","article-title":"Improvements in growth following iron supplementation in young Kenyan school children","volume":"6","author":"Latham","year":"1990","journal-title":"Nutrition"},{"key":"S1368980002000587_ref008","volume-title":"Vitamin A Supplements. A Guide to their Use in the Treatment and Prevention of Vitamin A Deficiency and Xerophthalmia","year":"1997"},{"key":"S1368980002000587_ref011","volume-title":"Efficacy of Intermittent Iron Supplementation in the Control of Iron Deficiency Anaemia in Developing Countries. An Analysis of Experience","author":"Beaton","year":"1999"},{"key":"S1368980002000587_ref003","doi-asserted-by":"publisher","DOI":"10.1093\/jn\/124.5.645"},{"key":"S1368980002000587_ref004","doi-asserted-by":"publisher","DOI":"10.1093\/ajcn\/42.6.1221"},{"key":"S1368980002000587_ref001","doi-asserted-by":"publisher","DOI":"10.1079\/PHN2000111"},{"key":"S1368980002000587_ref012","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-3156.2000.00641.x"},{"key":"S1368980002000587_ref013","doi-asserted-by":"publisher","DOI":"10.1093\/ajcn\/69.6.1249"},{"key":"S1368980002000587_ref010","doi-asserted-by":"publisher","DOI":"10.4269\/ajtmh.1997.56.378"},{"key":"S1368980002000587_ref007","volume-title":"Evaluation de l'\u00e9tat de sant\u00e9 des enfants des \u00e9coles communautaires de Kolondi\u00e9ba: Baseline Survey Report for School Health and Nutrition Programme","author":"Sacko","year":"1999"}],"container-title":["Public Health Nutrition"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.cambridge.org\/core\/services\/aop-cambridge-core\/content\/view\/S1368980002000587","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,6]],"date-time":"2019-05-06T21:04:55Z","timestamp":1557176695000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.cambridge.org\/core\/product\/identifier\/S1368980002000587\/type\/journal_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2002,6]]},"references-count":13,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2002,6]]}},"alternative-id":["S1368980002000587"],"URL":"https:\/\/doi.org\/10.1079\/phn2001327","relation":{},"ISSN":["1368-9800","1475-2727"],"issn-type":[{"value":"1368-9800","type":"print"},{"value":"1475-2727","type":"electronic"}],"subject":[],"published":{"date-parts":[[2002,6]]}}}