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Household food insecurity is not associated with BMI for age or weight for height among Brazilian children aged 0-60 months.

ABSTRACT: We examined the association between Household Food Insecurity (HFI), weight for height z-score (WHZ) and Body Mass Index for age z-score (BMI-Z) in a representative sample of children 0-60 months of age (n = 3,433) in five Brazilian geographical regions. Data were derived from the 2006-07 Brazilian Demographic and Health Survey. HFI was measured with the Brazilian Food Insecurity Scale. Associations were estimated using multiple linear regression models (? coefficients and 95% CI) taking into account the complex sampling design. Interaction terms between HFI and geographical region and HFI and child sex and child age were assessed. The weighted prevalence of any level of HFI was 48.6%. Severe food insecurity was more prevalent among children from the North region (16.8%), born from mothers with <4 years of schooling (15.9%) and those from families with ?3 children (18.8%). The interaction between HFI and geographical region was non-significant for BMI-Z (P = 0.119) and WHZ (P = 0.198). Unadjusted results indicated that HFI was negatively associated with BMI-Z (moderate to severe HFI: ? = -0.19, 95% CI: -0.35 - -0.03, P = 0.047), and WHZ (moderate to severe HFI: ? = -0.26, 95% CI: -0.42 - -0.09, P = 0.009). Estimates lost significance after adjustments for key confounders such as mothers' skin color, mothers' years of schooling, place of household, household income quartiles, mothers' smoking habit, mothers' marital status, number of children 0-60 months in the household, and birth order. HFI is unrelated to weight outcomes among Brazilian children 0-60 months.

SUBMITTER: Kac G

PROVIDER: S-EPMC3448695 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature

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Household food insecurity is not associated with BMI for age or weight for height among Brazilian children aged 0-60 months.

Kac Gilberto G Schlüssel Michael M MM Pérez-Escamilla Rafael R Velásquez-Melendez Gustavo G da Silva Antônio Augusto Moura AA

PloS one 20120921 9

We examined the association between Household Food Insecurity (HFI), weight for height z-score (WHZ) and Body Mass Index for age z-score (BMI-Z) in a representative sample of children 0-60 months of age (n = 3,433) in five Brazilian geographical regions. Data were derived from the 2006-07 Brazilian Demographic and Health Survey. HFI was measured with the Brazilian Food Insecurity Scale. Associations were estimated using multiple linear regression models (β coefficients and 95% CI) taking into ac ...[more]

PMID: 23029220

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Project description:The growth of children is an indicator of health and society's wellbeing. Growth references are useful in monitoring a child's growth, which is a very important part of child care. Poland's growth references are not updated regularly. Although several growth reference ranges have been developed in Poland over recent years, sampling was restricted to urban populations of major cities. The aim of this study was to assess how well Polish children match with, or diverge from, regional charts and to compare them with international growth references.Four Polish and two international (WHO 2007 and USCDC2000) growth references were used to calculate the height, weight and BMI z-scores in a recent, large, population-representative sample of school-aged children and adolescents in Poland. The distributions of z-scores were analysed with descriptive and inferential statistical methods.Mean height z-scores calculated with the use of the WHO 2007 and USCDC2000 references were positive and significantly different from zero over the entire age range. The mean height z-score was closest to zero in the Poznan reference for boys (0.05) and Warszawa reference for girls (0.01). Median weight z-scores were positive under all weight references over the entire age range with only the exception of 18-year-old girls' weight z-score calculated relative to USCDC2000. Median BMI z-scores were positive in males in early childhood, decreasing with age. In the case of girls, the median BMI z-score calculated using WHO 2007 and USCDC2000 was close to zero in early childhood, decreased in adolescents and reached minimum values at age 18 years. Median BMI z-scores calculated with the use of the Lodz reference fluctuated between 0.05 and 0.2 over the studied age range.In this contemporary sample of Polish school-aged children, distributions of height, weight and BMI differed from those of children from the international growth references. These differences should be considered when using the references. There exist certain limitations to the analysis of height, weight, and BMI z-scores when Polish regional references are used.

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Household food insecurity is not associated with BMI for age or weight for height among Brazilian children aged 0-60 months.

Publications

Household food insecurity is not associated with BMI for age or weight for height among Brazilian children aged 0-60 months.

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