Document Detail

Collecting food-related data from low socioeconomic groups: how adequate are our current research designs?
MedLine Citation:
PMID:  7578545     Owner:  NLM     Status:  MEDLINE    
Australian researchers examining the relationship between socioeconomic status and food-related behaviour have often selected their samples from the electoral roll and then collected their data using a mail-survey method. These studies have generally found statistically significant associations between socioeconomic status and behaviour, although these relationships are usually only weak-to-moderate in strength. Given the consistent and strong pattern of association between socioeconomic status and mortality, and diet and mortality, there is a possibility that these studies may have used a research design that underestimates the magnitude of the association. To assess this possibility, results obtained using an electoral-roll sample and mail-survey method were compared with findings obtained by administering the same questionnaire directly to a sample of indigent clients contacted through a welfare agency. The comparison suggests that studies that draw their samples from electoral rolls and then collect data using a mail-survey questionnaire may greatly understate the level of socioeconomic inequality in food-related behaviour in the wider community.
G Turrell; J M Najman
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Australian journal of public health     Volume:  19     ISSN:  1035-7319     ISO Abbreviation:  Aust J Public Health     Publication Date:  1995 Aug 
Date Detail:
Created Date:  1995-11-30     Completed Date:  1995-11-30     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  9105166     Medline TA:  Aust J Public Health     Country:  AUSTRALIA    
Other Details:
Languages:  eng     Pagination:  410-6     Citation Subset:  IM    
Department of Anthropology and Sociology, University of Queensland, Brisbane.
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MeSH Terms
Diet Surveys*
Evaluation Studies as Topic
Food Habits*
Questionnaires / standards
Reproducibility of Results
Research Design / standards*
Selection Bias
Socioeconomic Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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