PMID (identifiant
de la référence Pubmed) : |
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 (21767408) |
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| Titre : |
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Comparison of indicators of material circumstances in the context of an epidemiological study. |
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| Auteur(s) : |
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Thomas Matukala Nkosi1, 2, Marie-Elise Parent1, 2, 3, Jack Siemiatycki2, 3, Javier Pintos3, Marie-Claude Rousseau ( ) 1, 2, 3 |
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| Laboratoire : |
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| Résumé : |
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Since individual-level income is difficult to collect, investigators often rely on group-based measures derived from census data. No study has assessed the use of residential property values as an indicator of individual material circumstances. We aimed to compare two proxy indicators of material circumstances, one based on residential value and the other on median census tract income, to self-reported household income. METHODS: We used data from a case-control study (1996-2002), restricting analyses to 676 residents of the Island of Montreal for whom the three indicators were available. The degree of discrepancy between the residential value index, census income, and self-reported household income--each in 5 categories--was estimated, along with overall and weighted Kappas. RESULTS: When comparing residential value index and census income to self-reported household income, perfect concordance was observed for 38% and 30% of subjects, respectively; very good concordance, defined as ≤1 category difference, was observed for 76% and 69% of subjects, respectively. When compared to self-reported household income, overall and weighted Kappas showed stronger agreement with residential value index (weighted Kappa=0.37, 95% CI: 0.32, 0.42) than with census income (weighted Kappa=0.25, 95% CI: 0.20, 0.30). CONCLUSIONS: A residential value index may provide a measure of material circumstances that is closer to self-reported household income than the commonly used census income. Each indicator presents advantages and disadvantages, and their choice may depend on study objectives and feasibility. |
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| Domaine : |
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Sciences du Vivant/Santé publique et épidémiologie
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Langue du texte
intégral : |
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Anglais |
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1471-2288 |
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| Type de publication : |
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Articles dans des revues avec comité de lecture |
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| DOI : |
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10.1186/1471-2288-11-108 |
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| Journal : |
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| BMC Medical Research Methodology (BMC Med Res Methodol) |
| Publisher |
BioMed Central |
| ISSN |
1471-2288 |
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| Audience : |
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internationale |
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| Date de publication : |
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2011 |
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Date de publication
électronique : |
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18/07/2011 |
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| Volume : |
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11 |
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| Page, identifiant, ... : |
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108 |
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| Descripteur(s) MeSH : |
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Adult – Aged – Epidemiologic Studies – Housing – Humans – Income – Middle Aged – Self Report – Socioeconomic Factors |
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| Contrat, financement : |
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This study was supported by research and personnel support grants from the National Health Research and Development Program from Health Canada, the National Cancer Institute of Canada, the Institut de recherche en santé et sécurité au travail du Québec, the Fonds de la recherche en santé du Québec (FRSQ), and the Canadian Institutes of Health Research (CIHR). MEP is the recipient of a salary award from the FRSQ. JS holds the Guzzo-Cancer Research Society (CRS) Chair in Environment and Cancer at University of Montreal. MCR is the recipient of a New Investigator Award from the CIHR. |
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