Table 2.

Zero-Order Correlations Among Study Variables.

Variable	1	2	3	4	5	6	7	8	9
1. Positive exchanges (W1)	—	.42**	.43**	.14**	.07	.04	−.01	−.00	−.08
2. Positive exchanges (W3)		—	.56**	.02	.00	−.01	−.08	.03	−.06
3. Positive exchanges (W5)			—	−.02	−.02	−.05	.04	−.01	−.01
4. Negative exchanges (W1)				—	.55**	.49**	.13**	.13*	.04
5. Negative exchanges (W3)					—	.65**	.08	.08	.01
6. Negative exchanges (W5)						—	.05	.09	.04
7. Disability (W1)							—	.27**	.21**
8. Disability (W3)								—	.36**
9. Disability (W5)									—

Notes: W = wave.

*p <.05; **p <.01.