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Lifestyle and breast cancer risk fac...

Tam, Carolyn Yuen Chong.

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Lifestyle and breast cancer risk factors in postmenopausal Caucasian and Chinese-Canadian women.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Lifestyle and breast cancer risk factors in postmenopausal Caucasian and Chinese-Canadian women./
作者:	Tam, Carolyn Yuen Chong.
面頁冊數:	228 p.
附註:	Source: Dissertation Abstracts International, Volume: 72-01, Section: B, page: 0166.
Contained By:	Dissertation Abstracts International72-01B.
標題:	Health Sciences, Public Health. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NR67687
ISBN:	9780494676875

Lifestyle and breast cancer risk factors in postmenopausal Caucasian and Chinese-Canadian women.
Tam, Carolyn Yuen Chong.

Lifestyle and breast cancer risk factors in postmenopausal Caucasian and Chinese-Canadian women. - 228 p.

Source: Dissertation Abstracts International, Volume: 72-01, Section: B, page: 0166.

Thesis (Ph.D.)--University of Toronto (Canada), 2010.

Striking differences exist between countries in the incidence of breast cancer, with rates higher in the West than in Asian countries. The causes of these differences are unknown, but because incidence rates change in migrants, they are thought to be due to lifestyle rather than genetic differences.

ISBN: 9780494676875Subjects--Topical Terms:

1017659
Health Sciences, Public Health.

Lifestyle and breast cancer risk factors in postmenopausal Caucasian and Chinese-Canadian women.
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245 1 0 $a Lifestyle and breast cancer risk factors in postmenopausal Caucasian and Chinese-Canadian women.
300 $a 228 p.
500 $a Source: Dissertation Abstracts International, Volume: 72-01, Section: B, page: 0166.
502 $a Thesis (Ph.D.)--University of Toronto (Canada), 2010.
520 $a Striking differences exist between countries in the incidence of breast cancer, with rates higher in the West than in Asian countries. The causes of these differences are unknown, but because incidence rates change in migrants, they are thought to be due to lifestyle rather than genetic differences.
520 $a The objective of this thesis was to compare established breast cancer risk factors, physical activity, and diet in three groups of postmenopausal women at substantially different risks of developing breast cancer---Caucasians (N = 413), Chinese born in the West or who migrated to the West before age 21 (N = 216), and recent Chinese migrants, 99% of whom coming from urban China (N = 421). In this cross-sectional study, information on risk factors and diet were collected by telephone, and physical activity and anthropometric data were obtained at a home visit.
520 $a Compared to Caucasians, recent Chinese migrants weighed on average 14 kg less, were 6 cm shorter, had menarche a year later, were more often parous, and less often had a family history of breast cancer or a benign breast biopsy. Estimating 5-year absolute breast cancer risks using the Gail Model showed that risk estimates in Caucasians would be reduced by only 11% if they had the risk factor profile of recent Chinese migrants for the variables in the Gail Model. Compared to Caucasians, recent Chinese migrants had lower average total physical activity over lifetime, and also spent less time on moderate- and vigorous-intensity activity. Compared to Caucasians, recent Chinese migrants consumed per day on average 175 fewer calories, 6 more grams of energy-adjusted protein, 16 more grams of energy-adjusted carbohydrates, and 5 fewer grams of energy-adjusted fat. Also, recent Chinese migrants consumed higher amounts of grains, fruits, vegetables, fish, and soy products, and lower amounts of alcohol, meat, dairy products, and sweets than Caucasians. Western born Chinese and early Chinese migrants had values intermediate between the other two groups for most of the variables.
520 $a These results suggest that in addition to the established risk factors, some dietary factors may also contribute to the lower breast cancer risk in urban Chinese women.
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