Innate left handedness and risk of breast cancer: case-cohort study

Fifty eight breast cancer cases were not analysed as premenopausal or postmenopausal breast cancer because menopausal information was not available and the age at diagnosis was 51-55 years. * The number of person years (lived in the total cohort) is extrapolated from the random sample. [dagger] Adju...

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Bibliographic Details
Published in:BMJ 2005-10, Vol.331 (7521), p.882-883
Main Authors: Ramadhani, Made K, Elias, Sjoerd G, van Noord, Paulus A H, Grobbee, Diederick E, Peeters, Petra H M, Uiterwaal, Cuno S P M
Format: Article
Language:English
Subjects:
Adult
Biological and medical sciences
Body mass index
Breast cancer
Breast Neoplasms - etiology
Case-Control Studies
Epidemiology
Female
Functional Laterality
Gender equality
General aspects
Gynecology. Andrology. Obstetrics
Handedness
Health risk assessment
Hormones
Humans
Mammary gland diseases
Mammography
Medical sciences
Menopause
Middle Aged
Postmenopause
Pregnancy
Prenatal Exposure Delayed Effects
Prospective Studies
Random sampling
Risk Factors
Socioeconomic factors
Tumors
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Summary:Fifty eight breast cancer cases were not analysed as premenopausal or postmenopausal breast cancer because menopausal information was not available and the age at diagnosis was 51-55 years. * The number of person years (lived in the total cohort) is extrapolated from the random sample. [dagger] Adjusted for socioeconomic status, age, height, body mass index (except in body mass index specific analysis), smoking status, history of breast cancer in mother or sister, age at menarche, parity status (except in parity specific analysis), all at baseline; adjusted for age at last known menstruation and menopausal status during follow-up (except for outcome of premenopausal or postmenopausal breast cancer).
ISSN:0959-8138
0959-8146
1468-5833
1756-1833
DOI:10.1136/bmj.38572.440359.AE