]>

Table 5: Matched cases and controls by relationship: 15 subjects.

Age of diagnosis of breast cancer cases (index cases) Age of controls (relatives) at interview Relationship Sister-sister:  54 74  54 58  42 45  60 50  39 48  39 49  39 51  35 41 Sub total of subjects: 8 Aunt-niece  50 67  39 31  50 29  42 30 Sub total of subjects: 4 Mother-daughter  35 50  62 44 Sub total of subjects: 2 Grandmother-granddaughter  62 23 Sub total of subjects: 1 Grand total of subjects: 15