Table I.

Study Population Baseline Demographics

Characteristic	Entire Sample	Individuals who did not pursue testing	Individuals who pursued testing	U.S. Study Sites	Canada Study Sites
Number of Individuals	1001	918	83	875	126
Age	41.8 [1001]	41.7 [918]	43.0 [83]	42.1 [875]	39.9‡ [126]
Women [%]	68.9% [1001]	68.6% [918]	72.3% [83]	68.7% [875]	69.9% [126]
Years of education	14.9 [1001]	14.9 [918]	15.5† [83]	15.1 [875]	13.8‡ [126]
White [%]	98.1% [1001]	98.2% [918]	96.4% [83]	97.9% [875]	99.2% [126]
Any children [%]	72.2% [724]	72.1% [679]	73.3% [45]	72.8% [627]	68.0% [97]
Number of children, among those with children	2.8 [537]	2.8 [502]	2.9 [35]	2.8 [468]	2.2 [69]
Pursued genetic testing after enrollment	8.3% [1001]	0% [918]	100% [83]	8.3% [875]	7.9% [126]

Note: Sample sizes are noted in square brackets.

^†p<0.05 for comparison with the other group [column to the left]

^‡p<0.01 for comparison with the other group [column to the left]