. Author manuscript; available in PMC: 2015 Dec 1.

Published in final edited form as: J Behav Med. 2014 Mar 13;37(6):1108–1117. doi: 10.1007/s10865-014-9561-x

Table 1.

Descriptive statistics and intraclass correlations for key variables

	Total	Husbands	Wives	Intraclass Correlation
N	3,846	1,923	1,923
Race
White	90.87	90.85	90.90
Non-white	9.13	9.15	9.10
Age, M (SD)	67.17 (9.0)	68.67 (9.0)	65.67^*** (8.8)	0.83
Years of education, M (SD)	13.00 (2.9)	13.05 (3.1)	12.95 (2.7)	0.58
Years of marriage, M (SD)	38.63 (14.8)	38.67 (14.8)	38.59 (14.9)	–
Perceived support, M (SD)	3.53 (0.6)	3.63 (0.5)	3.43^*** (0.6)	0.32
Perceived strain, M (SD)	1.96 (0.6)	1.91 (0.6)	2.01^*** (0.7)	0.38
Self-rated health, M (SD)	3.32 (1.1)	3.27 (1.1)	3.37^** (1.0)	0.23
Functional limitations, M (SD)	4.09 (3.8)	3.84 (3.7)	4.35^*** (3.8)	0.23

p < 0.05

^**

p < 0.01

^***

p < 0.001