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The Ontario Familial Breast Cancer Registry (OFBCR) is one of six international sites of the Cooperative Familial Registry for Breast Cancer Studies collecting family history, epidemiologic information, and blood samples from families (with various patterns of familial risk) for the purpose of studying the etiology of breast cancer. To invite 2361 female breast cancer patients residing in Ontario to take part in the Registry, a package was sent that included a Family History Questionnaire. Several variations of mailing and follow-up strategies were employed. Overall, the response rate was 67%. The best response (74%) was achieved by following up our introductory package of information with a postcard 10 days later and a telephone call several weeks thereafter. Given the design of the project, which involves a considerable commitment on the part of both patients and their family members, we are impressed by the positive response of these women.

Objectives: While decreased intake of dietary fat may have significant positive effects on women's health by reducing the risk of cancer and other diseases, little research has been carried out to determine the potential adverse effects of dietary fat reduction. This study compares the self-reported physical and emotional health of 402 low fat intervention and control group participants in the Canadian Diet and Breast Cancer Prevention Trial., Methods: Subjects who had been participating in the dietary intervention trial for at least 2 years completed 3 mailed questionnaires: two designed to assess physical and emotional health (MOS 36-Item Short-Form Health Survey (SF-36) and the Women's Health Questionnaire (WHQ)) and a Health Practices Survey., Results: There were no significant differences between the study groups on total scores or any of the subscales/health domains for the SF-36 or the WHQ. In premenopausal women only, intervention group subjects scored significantly lower on the vasomotor symptoms scale, indicating less symptom experience. Frequency of visits to physicians and alternative health practitioners were not significantly different between the study groups., Conclusions: The results of this study suggest that participation in a low-fat, high-carbohydrate dietary intervention did not have any detrimental effects on participants' self-reported physical health or emotional well-being.