Table 3.

Direct and interactive relationships of functional limitations, informal and formal support, and depressive symptoms

	Model 1			Model 2			Model 3			Model 4			Model 5
	β	B	SE	β	B	SE	β	B	SE	β	B	SE	β	B	SE
Intercept		1.330∗∗∗	0.317		1.843	0.306		1.876∗∗∗	0.311		1.897∗∗∗	0.310		0.637	0.493
Age	0.022	0.003	0.004	−0.041	−0.006	0.004	−0.044	−0.006	0.004	−0.049	−0.007+	0.004	0.066	0.009	0.006
Sex	0.003	0.006	0.049	0.083	0.154∗∗∗	0.049	0.085	0.156∗∗	0.049	0.088	0.163∗∗	0.049	0.081	0.150∗∗	0.049
Income	0.027	0.048	0.053	0.029	0.051	0.051	0.027	0.049	0.051	0.025	0.044	0.051	0.031	0.056	0.051
Education	0.016	0.029	0.046	0.028	0.050	0.044	0.028	0.049∗∗	0.044	0.028	0.050	0.044	0.028	0.050	0.044
Living alone	−0.202	−0.362∗∗∗	0.055	−0.202	−0.361∗∗∗	0.052	−0.201	−0.360∗∗∗	0.052	−0.199	−0.356∗∗∗	0.052	−0.200	−0.357∗∗∗	0.052
Cog. status	0.133	0.347∗∗∗	0.067	0.114	0.295∗∗∗	0.064	0.113	0.295∗∗∗	0.065	0.113	0.294∗∗∗	0.065	0.119	0.308∗∗∗	0.065
Chr. conds.a	0.158	0.118∗∗∗	0.021	0.086	0.064∗∗	0.021	0.085	0.064∗∗	0.021	0.086	0.065∗∗	0.021	0.080	0.060∗∗	0.021
Medications	0.172	0.088∗∗∗	0.015	0.114	0.058∗∗∗	0.014	0.110	0.057∗∗∗	0.014	0.101	0.052∗∗∗	0.014	0.096	0.049∗∗	0.014
Children	0.004	0.004	0.023	0.002	0.002	0.022	0.003	0.003	0.022	0.004	0.004	0.022	0.005	0.004	0.022
Relatives	−0.065	−0.058∗	0.023	−0.048	−0.042+	0.022	−0.047	−0.042†	0.022	−0.045	−0.040†	0.022	−0.044	−0.039†	0.022
Friends	−0.109	−0.096∗∗∗	0.024	−0.084	−0.074∗∗	0.023	−0.085	−0.075∗∗	0.023	−0.086	−0.076∗∗	0.023	−0.091	−0.080∗∗∗	0.023
FLa				0.315	0.067∗∗∗	0.006	0.311	0.066∗∗∗	0.007	0.396	0.084∗∗∗	0.009	0.400	0.085∗∗∗	0.010
Sla							0.015	0.036	0.063	0.015	0.036	0.067	0.009	0.021	0.071
S2a							0.029	0.128	0.110	0.023	0.103	0.112	0.038	0.167	0.121
S3a							0.005	0.012	0.073	0.036	0.091	0.084	0.083	0.213∗	0.102
SI × FL										−0.061	−0.027†	0.015	−0.039	−0.017	0.016
S2 × FL										−0.008	−0.010	0.029	−0.002	−0.003	0.037
S3 × FL										−0.106	−0.041∗∗	0.015	−0.107	−0.042∗	0.018
Age × FL													−0.116	−0.016†	0.009
Age × SI													−0.002	−0.004	0.100
Age × S2													−0.055	−0.234	0.201
Age × S3													−0.136	−0.269∗	0.126
Age × SI × FL													−0.011	−0.003	0.015
Age × S2 × FL													0.017	0.011	0.035
Age × S3 × FL													0.071	0.015	0.016
Overall adjusted R2		0.153			0.231			0.232			0.237			0.248
Δ adjusted R2		0.153	p = 0.000		0.079	p = 0.000		0.001	p = 0.672		0.005	p = 0.039		0.011	p = 0.005

^aCog. status = Cognitive status; Chr. conds. = chronic conditions; FL = functional limitations; SI = informal support only; S2 = formal support only; S3 = both informal and formal support.

^†p < 0.10

^∗p < 0.05

^∗∗p < 0.01

^∗∗∗p < 0.001.