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

Table 2 Demographics and variables of the women enrolled in this study.

	Women reporting a FH¹ of cancer in PCU² (n = 885)		Women without FH¹ report of cancer in PCU² (n = 910)
	N(%)	Mean(SD)	N(%)	Mean(SD)
Age at assessment	-	43.9 (12.7)	-	51.4 (9.2)
BMI
≤18.5	5 (0.6)	-	12 (1.3)	-
18.51–25	293 (33.6)	-	232 (25.5)	-
25.01–30	291 (33.3)	-	362 (39.8)	-
>30	284 (32.5)	-	304 (33.4)	-
Age at menarche	-	12.7 (1.7)	-	13.0 (1.7)
Parity
No children	107 (12.2)	-	65 (92.7)	-
One or more children	777 (87.8)	-	844 (7.2)	-
Age at birth of first child	-	21.5 (5.0)	-	21.7 (5.2)
Reproductive Status
Pre-menopausal	574 (64.9)	-	448 (50.3)	-
Post-menopausal	311 (35.1)	-	458 (49.7)	-
Age at menopause	-	47.0 (5.4)	-	46.8 (5.5)
Previous biopsy	78 (8.8)	-	66 (7.3)	-
Hormone replacement therapy	72 (8.1)	-	99 (10.9)	-
Consanguinity ^‡	64 (7.4)	-	53 (5.8)	-

¹ FH = Family History.
² PCU = Primary Care Unit.
(‡) Evidence of consanguinity within family, regardless of relationship to the proband.

ISSN: 1471-2407