Table 2.

Correlation matrix for variables

Variables	1	2	3	4	5	6	7	8	9	10	11
Covariate
1 Gender (male = 0, female = 1)	1
2 Ethnicity (African-Am. = 0, White = 1)	–0.04	1
3 Residence (others = 0, long-term care = 1)	0.12	0.16*	1
Functional capacity
4 Self-rated health	–0.13	0.05	–0.06	1
5 Instrumental ADL	–0.24**	0.07	–0.24**	0.32**	1
6 Physical ADL	–0.13	0.05	–0.34**	0.29**	0.64**	1
Psychological factors
7 Positive affect	–0.02	0.03	–0.17*	0.29**	0.18**	0.23**	1
8 Negative affect	0.10	–0.02	0.01	–0.18	0.03	–0.04	–0.21**	1
Situational factors
9 Social network	–0.08	–0.08	–0.11	0.07	0.11	0.03	0.17**	–0.08	1
10 Social support	0.11	–0.03	–0.30**	0.22**	0.27**	0.36**	0.22**	–0.03	0.24**	1
11 Fatigue	0.02	0.03	0.21**	–0.38**	–0.38**	–0.34**	–0.40**	0.29**	–0.14*	–0.26**	1
Means	0.74	0.83	0.30	1.94	6.91	8.40	11.22	6.55	2.86	2.40	–3.16
SD	0.44	0.38	0.46	0.74	2.83	2.14	3.37	2.28	0.43	0.91	6.34

ADL = Activities of daily living.

^*p < 0.05;

^**p < 0.01.