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Height and weight in relation to breast cancer morbidity and mortality. A prospective study of 570,000 women in Norway
Author(s) -
Tretli Steinar
Publication year - 1989
Publication title -
international journal of cancer
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.475
H-Index - 234
eISSN - 1097-0215
pISSN - 0020-7136
DOI - 10.1002/ijc.2910440105
Subject(s) - medicine , overweight , breast cancer , norwegian , risk factor , prospective cohort study , cancer , gynecology , demography , obesity , linguistics , philosophy , sociology
The height and weight of 570,000 Norwegian women, aged 30‐69 years, were measured and the subjects were then followed up for 6‐18 years with regard to breast cancer morbidity and mortality. They were arranged in 5‐year age‐groups. In all age‐groups the tallest women were found to have the highest risk for both morbidity and mortality. Overweight was a risk factor for breast cancer mortality in all age‐groups, but it was a risk factor only in the post‐menopausal age‐groups in the case of morbidity. It appeared to protect against breast cancer in the pre‐menopausal age‐group. Stages I and II—IV follow‐up endpoints show negative and positive associations, respectively, with overweight. It is not likely that this can be fully explained by earlier detection of cancer among slim women.