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dc.contributor.authorWebster, Thomas F.en_US
dc.contributor.authorHoffman, Kateen_US
dc.contributor.authorWeinberg, Janiceen_US
dc.contributor.authorVieira, Verónicaen_US
dc.contributor.authorAschengrau, Annen_US
dc.date.accessioned2012-01-09T14:33:27Z
dc.date.available2012-01-09T14:33:27Z
dc.date.issued2008-08
dc.identifier.citationWebster, Thomas F., Kate Hoffman, Janice Weinberg, Verónica Vieira, Ann Aschengrau. "Community- and Individual-Level Socioeconomic Status and Breast Cancer Risk: Multilevel Modeling on Cape Cod, Massachusetts" Environmental Health Perspectives 116(8): 1125-1129. (2008)
dc.identifier.issn1552-9924
dc.identifier.urihttps://hdl.handle.net/2144/2771
dc.description.abstractBACKGROUND. Previous research demonstrated increased risk of breast cancer associated with higher socioeconomic status (SES) measured at both the individual and community levels. However, little attention has been paid to simultaneously examining both measures. OBJECTIVES. We evaluated the independent influences of individual and community SES on the risk of breast cancer using case-control data. Because our previous work suggests that associations may be stronger after including a latency period, we also assessed the effect of community-level SES assuming a 10-year latency period. METHODS. We obtained individual education for cases and matched controls diagnosed between 1987 and 1993 on Cape Cod, Massachusetts (USA). We acquired community-level SES from census data for 1980 and 1990. Using SES data at diagnosis and 10 years earlier, we constructed models for breast cancer risk using individual-level SES only, community-level SES only, and a multilevel analysis including both. We adjusted models for other individual-level risk factors. RESULTS. Women with the highest education were at greater risk of developing breast cancer in both 1980 and 1990 [odds ratio (OR) = 1.17 and 1.19, respectively]. Similarly, women living in the highest-SES communities in 1990 had greater risk (OR = 1.30). Results were stronger in the analyses considering a latency period (OR = 1.69). Adjusting for intragroup correlation had little effect on the analyses. CONCLUSIONS. Models including individual- or community-level measures of SES produced associations similar to those observed in previous research. Results for models including both measures are consistent with a contextual effect of SES on risk of breast cancer independent of individual SES.en_US
dc.description.sponsorshipBoston University Center for Interdisciplinary Research in Environmental Exposures and Health; National Institute of Environmental Health (P42ES007381)en_US
dc.language.isoen
dc.publisherNational Institute of Environmental Health Sciencesen_US
dc.subjectBreast canceren_US
dc.subjectLatencyen_US
dc.subjectMultilevel modelingen_US
dc.subjectSocioeconomic statusen_US
dc.titleCommunity- and Individual-Level Socioeconomic Status and Breast Cancer Risk: Multilevel Modeling on Cape Cod, Massachusettsen_US
dc.typeArticleen_US
dc.identifier.doi10.1289/ehp.10818
dc.identifier.pmid18709175
dc.identifier.pmcid2516595


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