Abstract:PURPOSE Hispanics and Indigenous women are underrepresented in cancer research. We aimed to estimate the incidence of breast cancer (BC) among indigenous and non-indigenous women and describe reproductive and lifestyle risk factors. METHODS The baseline questionnaire was completed by 115,307 women (2006-2008). Indigenous ancestry was defined by self-adscription and/or speaking an indigenous language. Incident BC-cases were confirmed using self-reports, administrative and clinical databases, cancer registries, … Show more
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