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Table 1 The FHS-7 questionnaire: intra-class correlation (ICC) between responses to individual questions in two settings: primary care unit (PCU) and immediately before genetic cancer risk assessment (GCRA) and total of positive answers at GCRA interview.

From: Development and validation of a simple questionnaire for the identification of hereditary breast cancer in primary care

# Question Positive answers ICC
(PCU/GCRA)
1 Did any of your 1st degree relatives have breast or ovarian cancer? 348 (19.4%) 0.87
2 Did any of your relatives have bilateral breast cancer? 84 (4.7%) 0.56
3 Did any man in your family have breast cancer? 2 (0.1%) 0.33
4 Did any woman in your family have breast and ovarian cancer? 5 (0.3%) 0.08
5 Did any woman in your family have breast cancer before the age of 50 years? 537 (29.9%) 0.79
6 Do you have 2 or more relatives with breast and/or ovarian cancer? 221 (12.2%) 0.58
7 Do you have 2 or more relatives with breast and/or bowel cancer? 251 (14.0%) 0.53