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Non-dietary factors...
Non-dietary factors as risk factors for breast cancer, and as effect modifiers of the association of fat intake and risk of breast cancer
- Article/chapterEnglish1997
Publisher, publication year, extent ...
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Springer Science and Business Media LLC,1997
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printrdacarrier
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LIBRIS-ID:oai:DiVA.org:uu-474650
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-474650URI
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https://doi.org/10.1023/a:1018431104786DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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To assess more precisely the relative risks associated with established risk factors for breast cancer, and whether the association between dietary fat and breast cancer risk varies according to levels of these risk factors, we pooled primary data from six prospective studies in North America and Western Europe in which individual estimates of dietary fat intake had been obtained by validated food-frequency questionnaires. Based on information from 322,647 women among whom 4,827 cases occurred during follow-up: the multivariate-adjusted risk of late menarche (age 15 years or more compared with under 12) was 0.72 (95 percent confidence interval [CI] = 0.62-0.82); of being postmenopausal was 0.82 (CI = 0.69-0.97); of high parity (three or more births compared with none) was 0.72 (CI = 0.61-0.86); of late age at first birth (over 30 years of age compared with 20 or under) was 1.46 (CI = 1.22-1.75); of benign breast disease was 1.53 (CI = 1.41-1.65); of maternal history of breast cancer was 1.38 (CI = 1.14-1.67); and history of a sister with breast cancer was 1.47 (CI = 1.27-1.70). Greater duration of schooling (more than high-school graduation compared with less than high-school graduation) was associated significantly with higher risk in age-adjusted analyses, but was attenuated after controlling for other risk factors. Total fat intake (adjusted for energy consumption) was not associated significantly with breast cancer risk in any strata of these non-dietary risk factors. We observed a marginally significant interaction between total fat intake and risk of breast cancer according to history of benign breast disease; with fat intake being associated nonsignificantly positively with risk among women with a previous history of benign breast disease; no other significant interactions were observed. Risks for reproductive factors were similar to those observed in case-control studies; relative risks for family history of breast cancer were lower. We found no clear evidence in any subgroups of a major relation between total energy-adjusted fat intake and breast cancer risk.
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Spiegelman, D
(author)
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Adami, H O
(author)
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van den Brandt, P A
(author)
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Folsom, A R
(author)
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Goldbohm, R A
(author)
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Graham, S
(author)
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Howe, G R
(author)
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Kushi, L H
(author)
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Marshall, J R
(author)
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Miller, A B
(author)
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Speizer, F E
(author)
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Willett, W
(author)
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Wolk, A
(author)
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Yaun, S S
(author)
Related titles
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In:Cancer Causes and Control: Springer Science and Business Media LLC8:1, s. 49-560957-52431573-7225
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Hunter, D J
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Spiegelman, D
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Adami, H O
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van den Brandt, ...
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Folsom, A R
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Goldbohm, R A
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Graham, S
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Howe, G R
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Kushi, L H
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Marshall, J R
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Miller, A B
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Speizer, F E
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Willett, W
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Wolk, A
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Yaun, S S
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Cancer and Oncol ...
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Cancer Causes an ...
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Uppsala University