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Sexual minority population density and incidence of lung, colorectal and female breast cancer in California.

Abstract：

OBJECTIVE:Risk factors for breast, colorectal, and lung cancer are known to be more common among lesbian, gay, and bisexual (LGB) individuals, suggesting they may be more likely to develop these cancers. Our objective was to determine differences in cancer incidence by sexual orientation, using sexual orientation data aggregated at the county level. METHODS:Data on cancer incidence were obtained from the California Cancer Registry and data on sexual orientation were obtained from the California Health Interview Survey, from which a measure of age-specific LGB population density by county was calculated. Using multivariable Poisson regression models, the association between the age-race-stratified incident rate of breast, lung and colorectal cancer in each county and LGB population density was examined, with race, age group and poverty as covariates. RESULTS:Among men, bisexual population density was associated with lower incidence of lung cancer and with higher incidence of colorectal cancer. Among women, lesbian population density was associated with lower incidence of lung and colorectal cancer and with higher incidence of breast cancer; bisexual population density was associated with higher incidence of lung and colorectal cancer and with lower incidence of breast cancer. CONCLUSIONS:These study findings clearly document links between county-level LGB population density and cancer incidence, illuminating an important public health disparity.

journal_name

BMJ Open

journal_title

BMJ open

authors

Boehmer U,Miao X,Maxwell NI,Ozonoff A

doi

10.1136/bmjopen-2013-004461

subject

Has Abstract

pub_date

2014-03-26 00:00:00

pages

e004461

issue

3

issn

2044-6055

pii

bmjopen-2013-004461

journal_volume

4

pub_type

杂志文章

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