A randomised trial in Mali of the effectiveness of weekly iron supplements given by teachers on the haemoglobin concentrations of schoolchildren

Hall, Andrew; Roschnik, Natalie; Ouattara, Fatimata; Toure, I. A.; Maiga, Fadima; Sacko, Moussa; Moestue, Helen; Bendech, Mohamed Ag

doi:10.1079/phn2001327

Cited by 43 publications

(54 citation statements)

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“…Repeating the analysis among only those children who were dewormed or among only those not dewormed showed similar results as the analysis done for the two groups combined. Furthermore, the improvement in Hb concentration after the implementation of the school-based WISDS is consistent with the improvement in the Hb concentration in other school-based weekly iron supplementation studies that had a control group, in particular among schoolchildren in Mali (Hall et al, 2002) and among adolescent schoolgirls in Malaysia (Tee et al, 1999) and in Mozambique (Horjus et al, 2005).…”

Section: Discussionsupporting

confidence: 85%

The effect of a school-based weekly iron supplementation delivery system among anemic schoolchildren in the Philippines

et al. 2007

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Objective: To determine the effect of a school-based weekly iron supplementation delivery system (WISDS) on the prevalence of anemia among anemic schoolchildren. Subjects and methods: Two hundred and forty-two Filipino schoolchildren aged 6-12 years with hemoglobin (Hb) concentration o12 g/dl and enrolled for school year [2003][2004]. UNICEF iron-folate tablets containing 60 mg elemental iron and 0.40 mg folic acid were given weekly through directly observed supplementation by the teachers for 27 weeks. Compliance to iron supplementation was monitored by the teachers and was recorded using a monitoring form and a supplementation calendar. Hb concentration, weight and height were determined at baseline and at post-intervention. Results: At post-intervention, the participants' mean Hb concentration increased by 0.4 g/dl (95% confidence interval ¼ 0.3, 0.5 g/dl; Po0.0001), anemia prevalence was reduced by 53.7, and 84.3% of the participants had 100% compliance to supplementation. Conclusions: The school-based WISDS reduced anemia prevalence among anemic schoolchildren and resulted in high compliance to and coverage of iron supplementation.

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Section: Discussionsupporting

confidence: 85%

The effect of a school-based weekly iron supplementation delivery system among anemic schoolchildren in the Philippines

et al. 2007

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“…Estudos publicados apresentam resultados da correção de anemia semelhantes aos aqui observados, utilizando esquema semanal de aporte de ferro 23 . Outros efeitos promissores são relatados, a exemplo do incremento significante da concentração média de Hb 12,24 , e queda da prevalência de anemia 4,12 .…”

Section: Discussionunclassified

Eficácia da suplementação de ferro associado ou não à vitamina A no controle da anemia em escolares

et al. 2007

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Com o objetivo de avaliar a eficácia da suplementação de ferro, associado ou não à vitamina A, na anemia ferropriva, administrado semanalmente, realizou-se ensaio clínico comunitário, randomizado, não controlado por placebo, em 1999. Uma amostra probabilística de 267 escolares de ambos os sexos com 6 a 14 anos de idade foram casualizados em bloco segundo dois tipos de intervenção: um grupo (144) recebeu 200mg de sulfato ferroso com (40mg de ferro elementar) e o outro (123) recebeu dose similar de sulfato ferroso associado a 10.000 UI de vitamina A, durante 30 semanas. A prevalência de anemia ao final foi reduzida de 48,4%, para 17,7% (p < 0,001), no grupo que recebeu sulfato ferroso, e de 58,1%, para 14,3% (p < 0,001), no grupo que recebeu sulfato ferroso associado à vitamina A. Não houve diferença significante entre os grupos, ao final do estudo, quanto às médias de Hb (p = 0,355) e à proporção de anêmicos (p = 0,479). Corrigiu-se significantemente a anemia ferropriva com suplementação semanal de sulfato ferroso, mas não houve vantagem adicional com a associação da vitamina A. Sugerem-se novos estudos sobre o sinergismo desses micronutrientes.

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“…59,60 Keeping the iron load as low as possible may be important in the light of the risk of exacerbating infectious diseases indicated by a recently halted study in Zanzibar. 61 But in Zanzibar the iron was given daily to infants and very young children, so twice weekly supplements may be better tolerated by older children and have less effect on malaria, which is perhaps the main concern.…”

Section: Discussionmentioning

confidence: 99%

Micronutrient supplements for children after deworming

Hall¹

2007

The Lancet Infectious Diseases

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A randomised trial in Mali of the effectiveness of weekly iron supplements given by teachers on the haemoglobin concentrations of schoolchildren

Cited by 43 publications

References 9 publications

The effect of a school-based weekly iron supplementation delivery system among anemic schoolchildren in the Philippines

The effect of a school-based weekly iron supplementation delivery system among anemic schoolchildren in the Philippines

Eficácia da suplementação de ferro associado ou não à vitamina A no controle da anemia em escolares

Micronutrient supplements for children after deworming

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