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Title: Socio-economic status and body composition outcomes in urban South African children
Authors: Griffiths, Paula L.
Rousham, Emily K.
Norris, Shane A.
Pettifor, John M.
Cameron, Noel
Keywords: Obesity
Socio-economic factors
Fat mass
Lean mass
Issue Date: 2008
Publisher: © BMJ Publishing Group Ltd
Citation: GRIFFITHS, P.L. ... et al, 2008. Socio-economic status and body composition outcomes in urban South African children. Archives of Disease in Childhood, 93 (10), pp. 862-867.
Abstract: Objective: To determine which aspects of socio-economic status (SES) measured at birth and 9/10 years are associated with body composition at ages 9/10 years. Design: Mixed longitudinal cohort Setting: Johannesburg-Soweto South Africa Participants: A sub-sample of the Birth to Twenty (Bt20) cohort (n=281) with data on birthweight, height, weight, fat and lean tissue (whole body DXA), and birth and 9/10 years SES measures. Main Outcome Measures: Linear regression was used to estimate the influence of birth and ages 9/10 years SES measures on three outcomes; fat mass index (FMI) (Fat Mass (Kg)/height(m)4), lean mass index (LMI) (lean mass (Kg)/height(m)2), and BMI at ages 9/10 years controlling for sex, age, birthweight and pubertal status. Results: Compared to the lowest SES tertile, being in the highest birth SES tertile was associated with increased LMI at 9/10 years (β = 0.43, SE = 0.21 for White and Black children and β = 0.50, SE = 0.23 for Black children only), whereas children in the high SES tertile at 9/10 years had increased FMI (β = 0.46, SE = 0.22 for White and Black children and β = 0.65, SE = 0.23 for Black children only). SES at birth and 9/10 years accounted for 8 and 6% of the variance in FMI and BMI respectively (Black children). Conclusions: These findings underline the importance of examining SES across childhood ages when assessing nutrition inequalities. Results emphasise the need to consider lean and fat mass as well as BMI when studying SES andbody composition in children.
Description: This article was published in the journal, Archives of disease in childhood [© BMJ Publishing Group Ltd] and the definitive version is available at: http://adc.bmj.com/
DOI: 10.1136/adc.2006.112649
URI: https://dspace.lboro.ac.uk/2134/3386
ISSN: 1468-2044
Appears in Collections:Socio-economic status and child/adolescent health in Johannesburg-Soweto Study
Published Articles (Sport, Exercise and Health Sciences)

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