Table 2.

Demographic characteristics of women screened and qualified for KEEPS compared to those enrolled in the WHI

	KEEPS				WHI (CEE+MPA)a
	Excluded		Qualified		All average age 63 (N = 16,608)	50–59 years (N = 5,522)
	N	%	N	%	%	%
Education
Grade school	18	0.5	3	0.4	2.3	2.8
Some high school	35	0.9	3	0.4	4.5	3.9
High school or GED	166	4.4	52	7.1	19.5	16.5*
Some college/vocational	416	11.1	131	18.0	38.9	39.1*
College graduate or higher	1030	27.4	483	66.3	34.9	37.7*
Not answered	2091	55.7	56	7.7	ND	ND
Incomeb
<$10,000	48	1.3	5	0.7	5.5	6.5
$10 to <$20,000	85	2.3	10	1.4	15.0	10.2
$20 to <$ (35) 40,000	122	3.2	47	6.5	27.5	21.8
$(35) 40 to $(50) <60,000	177	4.7	77	10.6	21.2	20.6
$(50) 60 to $(75) <100,000	255	6.8	101	13.9	17.7	21.5
≥$(75) 100,000	266	7.1	122	16.8	13.2	19.4
Not answered	2803	74.6	366	50.3	ND	ND
Marital status
Married/partnered	926	24.7	479	65.8	60.1	63.6
Separated/divorced	368	9.8	134	18.4	16.8	23.6
Widowed	60	1.6	19	2.6	19.0*	7.5
Never married	946	25.2	83	11.4	4.1	5.2*
Not answered	1454	38.7	13	1.8	ND	ND
Smoking status
Never smokers	ND	ND	580	78.9	49.8	46.8*
MHT use
Never				78.7	73.4	70.5
Past				19.3	19.9	17.2
Current				1.9	7.7	12.3*
Menopausal symptoms
None	8	3.1	27	3.7	61.4	42.0*
Mild	76	29.6	203	27.9	26.2	35.6
Moderate to severe	173	67.3	498	68.4	12.4	22.4*

ND not determined or reported

*P < 0.0001 (significantly different by chi-square test from KEEPS qualified participants)

^aData derived from Annals of Epidemiology 13:S78–S86, 2003 [85]

^bIncome for the WHI are reported as values in parentheses