Table 2.

Sample profile (N = 1771).

	Mean	S.D.	Min.	Max.
Age	45.17	14.66	20.00	86.00
Male	0.45	0.49	0.00	1.00
Married	0.81	0.38	0.00	1.00
Years of education	12.93	3.45	6.00	21.00
Lower class	0.58	0.49	0.00	1.00
Unemployed	0.07	0.27	0.00	1.00
Child in house	0.61	0.49	0.00	1.00
Local Hukou	0.72	0.45	0.00	1.00
Homeownership	0.79	0.40	0.00	1.00
Years of residence	7.30	5.42	0.00	50.00
NCSC	0.00	1.00	−4.74	2.65
Discussion network	5.27	10.99	0.00	100.00
Social participation	0.81	0.35	0.00	1.00
Depressive symptoms	9.98	6.75	0.00	44.00