The modifying effect of social class on the relationship between body mass index and breast cancer incidence.


OBJECTIVES We sought to determine whether social class modifies the effect of BMI on breast cancer incidence. METHODS Participants included 5642 postmenopausal White women recruited in 1989 to CLUE II, a prospective cohort study in Washington County, Maryland. We obtained exposure data from CLUE II and the 1990 US Census. We used survival and random… (More)
DOI: 10.2105/AJPH.2007.126979


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