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2004 MAR 4 - (NewsRx.com & NewsRx.net) -- Differences in breast cancer risk between South Asian ethnic subgroups were partly due to diet and body size, researchers say.
According to a study from England, "South Asian women in England have a lower breast cancer risk than their English-native counterparts, but less is known about variations in risk between distinct South Asian ethnic subgroups. We used the data from a population-based case-control study of first-generation South Asian migrants to assess risks by ethnic subgroup."
"In all, 240 breast cancer cases, identified through cancer registries, were individually matched on age and general practitioner to two controls. Information on the region of origin, religious and linguistic background, and on breast cancer risk factors was obtained from participants," wrote V.A. McCormack and colleagues, University of London, London School of Hygiene & Tropical Medicine, Department of Epidemiology & Population Health.
"Breast cancer odds varied significantly between the ethnic subgroups (p=.008), with risk increasing in the following order: Bangladeshi Muslims (odds ratio (OR) 0.33, 95% confidence interval (CI): 0.10, 1.06), Punjabi Hindu (OR 0.59, 95% CI: 0.33, 1.27), Gujarati Hindu (1=reference group), Punjabi Sikh (OR 1.23, 95% CI: 0.72, 2.11), and Pakistani/Indian Muslims (OR 1.76, 95% CI: 1.10, 2.81)," the researchers wrote.
"The statistically significant raised risk in ...