Explaining the positive relationship between fourth-grade children's body mass index and energy intake at school-provided meals (breakfast and lunch).
J Sch Health
; 83(5): 328-34, 2013 May.
Article
em En
| MEDLINE
| ID: mdl-23517000
ABSTRACT
BACKGROUND:
A 2010 publication showed a positive relationship between children's body mass index (BMI) and energy intake at school-provided meals (as assessed by direct meal observations). To help explain that relationship, we investigated 7 outcome variables concerning aspects of school-provided meals energy content of items selected, number of meal components selected, number of meal components eaten, amounts eaten of standardized school-meal portions, energy intake from flavored milk, energy intake received in trades, and energy content given in trades.METHODS:
Fourth-grade children (N = 465) from Columbia, SC, were observed eating school-provided breakfast and lunch on 1 to 4 days per child. Researchers measured children's weight and height. For daily values at school meals, a generalized linear model was fit with BMI (dependent variable) and the 7 outcome variables, sex, and age (independent variables).RESULTS:
BMI was positively related to amounts eaten of standardized school-meal portions (p < .0001) and increased 8.45 kg/m(2) per serving, controlling for other variables in the model. BMI was positively related to energy intake from flavored milk (p = .0041) and increased 0.347 kg/m(2) for every 100 kcal consumed. BMI was negatively related to energy intake received in trades (p = .0003) and decreased 0.468 kg/m(2) for every 100 kcal received. BMI was not significantly related to 4 outcome variables.CONCLUSIONS:
Knowing that relationships between BMI and actual consumption, not selection, at school-provided meals explained the (previously found) positive relationship between BMI and energy intake at school-provided meals is helpful for school-based obesity interventions.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Instituições Acadêmicas
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Ingestão de Energia
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Índice de Massa Corporal
/
Desjejum
/
Almoço
Tipo de estudo:
Prognostic_studies
Limite:
Child
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Female
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Humans
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Male
País como assunto:
America do norte
Idioma:
En
Ano de publicação:
2013
Tipo de documento:
Article