The effect of informal social support on the health of Chinese older adults: a cross-sectional study

BMC Public Health

Table 7 Estimated results of heterogeneity analysis

Variables	Group 1		Group 2		Group 3		Group 4
	Female	Male	Age \( <\) 80	Age \( \ge \) 80	Rural	Urban	Low-income	High-income
	(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)
ISS	0.032^***	0.036^***	0.033^***	0.024	0.035^***	0.032^***	0.027^***	0.043^***
	(0.008)	(0.007)	(0.005)	(0.017)	(0.007)	(0.008)	(0.007)	(0.008)
Control variables	YES	YES	YES	YES	YES	YES	YES	YES
Multiple FE	YES	YES	YES	YES	YES	YES	YES	YES
Pseudo R²	0.137	0.143	0.152	0.085	0.124	0.169	0.140	0.156
Observations	3832	3950	6595	1187	4026	3756	3697	4085

Cluster-robust standard errors in parentheses. Multiple FE indicated that we simultaneously control the provincial FE, regional FE, and community FE, as well as the income FE in the econometric model. ^*, ^**, and ^*** indicate statistically significant levels of 0.1, 0.05, and 0.01, respectively

ISSN: 1471-2458