Table 3.

Cox Regression by Models

	Model 1			Model 2			Model 3			Model 4			Model 5			Model 6
	B	SE	Exp(B)	B	SE	Exp(B)	B	B	Exp(B)	B	B	Exp(B)	B	B	Exp(B)	B	B	Exp(B)
Caregiver characteristics
Kinshipa	−.44	.16	.64***	−.53	.16	.59***	−.53	.16	.59***	−.53	.16	.59***	−.57	.17	.57***	2.93	1.6	18.70
Duration of careb	−.01	.01	.99	−.01	.01	.99*	−.01	.01	.99	−.01	.01	.99	−.01	.01	.99	−.01	.01	.99
Primary objective stressor
ADL dependencies				.06	.04	1.06	.04	.04	1.04	.05	.04	1.05	.05	.04	1.05	.09	.05	1.10
Behavior problems				.09	.03	1.09**	.08	.03	1.08*	.06	.03	1.06	.06	.03	1.07	.09	.04	1.1*
Adult day care use at T1							.49	.16	1.65**	.49	.17	1.64**	.52	.17	1.68**	1.07	.26	2.91***
Primary subjective stressors
Role captivity at T1										.08	.03	1.09*	.09	.04	1.09**	.04	.05	1.04
Role overload at T1										−.02	.03	.98	−.01	.03	.99	.−.06	.05	.94
Secondary stressor
Social impact										.02	.02	1.02	.02	.02	1.02	.07	.03	1.08*
Psychological distress
Anger													.01	.03	1.01	.03	.04	1.04
Depression at T1													−.01	.01	.99	−.01	.01	.99
Interaction
Daughter × Duration of Care																−.01	.01	.99
Daughter × ADL																−.07	.09	.94
Daughter × Behavior Problems																−.05	.07	.96
Daughter × Adult Day Care Use at T1																−1.10	.36	.33**
Daughter × Role Captivity																.15	.07	1.16*
Daughter × Role Overload																.14	.07	1.16*
Daughter × Social Impact																−.12	.05	.89*
Daughter × Anger																−.03	.07	.97
Daughter × Depression																−.03	.02	.97
	χ = 9.55 (2)**			Δχ = 12.67 (2)**			Δχ = 9.41 (1)**			Δχ = 7.69 (3)			Δχ = 1.28 (2)			Δχ = 26.29 (9)**

Notes: ADL = activities of daily living.

^a1 refers to wives and 2 refers to daughters.

^bDuration of caregiving refers to the months of caregiving since the diagnosis.

*p < .05. **p < .01. ***p < .001.