. Author manuscript; available in PMC: 2016 Oct 1.

Published in final edited form as: Ann Behav Med. 2015 Oct;49(5):704–714. doi: 10.1007/s12160-015-9705-4

Table 1.

Participant characteristics at CHS enrollment

	Husbands	Wives	P value
Age in Years (SD)^a	73.55 (5.28)	71.18(4.74)	<0.001
Race or ethnic group-no. (%)
White	1225(92.1)	1229 (92.4)	ns^*
Black	30(2.3)	27 (2.0)
American Indian/Alaska Native	3 (0.2)	1(0.1)
Asian	0(0)	2 (0.2)
Other	2 (0.2)	1(0.1)
Hispanic- no (%)^b	13(1.0)	9 (0.7)
Education (yrs)-mean (sd)	12.7(3.5)	12.5 (2.8)	p=.04^**

Notes. All variables are W1 characteristics at the time of enrollment. Statistical analyses included analysis of variance tests for continuous variables and contingency table analysis using the χ² test for categorical variables.

n=1260,

n=1252,

ns according to McNemar’s test,

^**

By paired t-test.