Effect of childhood nutrition counselling on intelligence in adolescence: a 15-year follow-up of a cluster-randomised trial

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Citações na Scopus
1
Tipo de produção
article
Data de publicação
2017
DOI
Scopus
Web of Science
PubMed
Título da Revista
ISSN da Revista
Título do Volume
Editora
CAMBRIDGE UNIV PRESS
Autores
MUNHOZ, Tiago N.
SANTOS, Ina S.
KARAM, Simone de M.
MARTINES, Jose
PELTO, Gretel
BARCELOS, Raquel
GONCALVES, Helen
VALLE, Neiva C. J.
ANSELMI, Luciana
Citação
PUBLIC HEALTH NUTRITION, v.20, n.11, p.2034-2041, 2017
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
Objective The present study aimed to assess the effects of an early childhood nutrition counselling intervention on intelligence (as measured by the intelligence quotient (IQ)) at age 15-16 years. Design A single-blind, cluster-randomised trial. Setting In 1998, in Southern Brazil, mothers of children aged 18 months or younger were enrolled in a nutrition counselling intervention (n 424). Counselling included encouragement and promotion of exclusive breast-feeding until 6 months of age and continued breast-feeding supplemented by protein-, lipid- and carbohydrate-rich foods after age 6 months up to age 2 years. The control group received routine feeding advice. In 2013, the fourth round of follow-up of these individuals, at the age of 15-16 years, was undertaken. IQ was assessed using the short form of the Wechsler Adult Intelligence Scale (WAIS-III). Mental disorders (evaluated using the Development and Well-Being Assessment (DAWBA)) and self-reported school failure, smoking and alcohol use were also investigated. Adjusted analyses were conducted using a multilevel model in accordance with the sampling process. Subjects Adolescents, mean (sd) age of 154 (05) years (n 339). Results Mean (sd) total IQ score was lower in the intervention group than the control group (934 (114) and 958 (112), respectively) but the association did not persist after adjustment. The prevalence of any mental disorders was similar between intervention and control groups (231 and 235 %, respectively). There were no differences between groups regarding school failure, smoking and alcohol use. Conclusions Nutrition counselling intervention in early childhood had no effect on intelligence measured during adolescence.
Palavras-chave
Child growth, Adolescence, Nutrition counselling, Cognition, Randomised controlled trial, Intelligence
URI
https://observatorio.fm.usp.br/handle/OPI/25652
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Coleções
Artigos e Materiais de Revistas Científicas - FM/MPR
Artigos e Materiais de Revistas Científicas - LIM/39