Document Detail

Approaches for assessing the role of household socioeconomic status on child anthropometric measures in urban South Africa.
MedLine Citation:
PMID:  18770528     Owner:  NLM     Status:  MEDLINE    
The objectives of this article were to compare the variance explained in anthropometric outcomes when using individual measures of socioeconomic status (SES) versus different approaches to create SES indices within the urban African context, and to examine the influence of SES measured during infancy on child anthropometric outcomes at 7/8 years. Data from the 1990 Birth-to-Twenty cohort study set in Johannesburg-Soweto, South Africa, were used (n = 888). Linear regression models were used to investigate the association between SES (individual and index measures) during infancy and anthropometric measures at age 7/8 years, controlling for sex, age, and population group. Both individual and index measures of SES explained similar proportions of the variance for each anthropometric outcome. SES measured during infancy influenced weight more than height at age 7/8 years in Johannesburg-Soweto. Positive associations were found between SES and the anthropometric measures--ownership of a car, telephone, and having an inside flush toilet were the most significant SES variables. The similarities observed in the variance explained relating to the anthropometric outcomes suggest that researchers who want to adjust for SES in analyses could use an SES index to make statistical models more parsimonious. However, using such indices loses information relating to the specific socioeconomic factors that are important for explaining child anthropometrics. If the purpose of the research is to make policy recommendations for the improvement of child growth, individual SES variables would provide more specific information to target interventions.
Zoë A Sheppard; Shane A Norris; John M Pettifor; Noël Cameron; Paula L Griffiths
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  American journal of human biology : the official journal of the Human Biology Council     Volume:  21     ISSN:  1520-6300     ISO Abbreviation:  Am. J. Hum. Biol.     Publication Date:    2009 Jan-Feb
Date Detail:
Created Date:  2008-12-16     Completed Date:  2009-03-03     Revised Date:  2014-02-19    
Medline Journal Info:
Nlm Unique ID:  8915029     Medline TA:  Am J Hum Biol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  48-54     Citation Subset:  IM    
Copyright Information:
(c) 2008 Wiley-Liss, Inc.
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MeSH Terms
African Continental Ancestry Group / statistics & numerical data
Cohort Studies
Linear Models
Social Class*
South Africa
Urban Population / statistics & numerical data
Grant Support
70363//Medical Research Council; G0400161//Medical Research Council

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