Table 2.

Piecewise models of social network size, self-rated health, and immune function before and after spousal dementia caregivers’ bereavement

Effect	Social Network Size				Self-rated Health				Response to Con A				Response to PHA
	b	SE	DF	p	b	SE	DF	p	b	SE	DF	p	b	SE	DF	p
Intercept	18.49*	1.57	185	<.0001	1.55*	0.11	190	<.0001	0.16*	0.02	141	<.0001	0.25*	0.02	70.6	<.0001
Intercept spline	1.98	1.51	170	0.191	0.39*	0.11	167	0.001	−0.03*	0.01	557	0.014	0.02*	0.01	551	0.009
Time since loss (Pre-loss slope)	−2.42*	1.11	178	0.031	−0.19*	0.08	176	0.022	−0.03*	0.01	572	0.001	−0.05*	0.01	556	<.0001
Slope spline	3.48*	1.16	174	0.003	0.21*	0.08	172	0.016	0.02*	0.01	566	0.050	0.02*	0.01	554	0.004

Note. Spline terms reflect changes in the intercept and time slope at the point of spousal loss. Con A = Concanavalin A; PHA = phytohemagglutinin.

^*p < .05. N_caregivers = 52