Passive smoking exposure from partners as a risk factor for ER+/PR+ double positive breast cancer in never-smoking Chinese urban women: a hospital-based matched case control study.

ABSTRACT:

Background

The relationship between passive smoking exposure (PSE) and breast cancer risk is of major interest.

Objective

To evaluate the relationship between PSE from partners and breast cancer risk stratified by hormone-receptor (HR) status in Chinese urban women population.

Design

Hospital-based matched case control study.

Setting

Chinese urban breast cancer patients without current or previous active smoking history in China Medical University 1st Hospital, Liaoning Province, China between Jan 2009 and Nov 2009.

Patients

Each breast cancer patient was matched 1∶1 with healthy controls by gender and age (±2 years) from the same hospital.

Measurements

The authors used unconditional logistic regression analyses to estimate odds ratio for women wi

SUBMITTER: Tong JH 

PROVIDER: S-EPMC4035255 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature