Table 2. Descriptive statistics of the variables (N=3719).

Variables	Max	Min	Mean	S.D.
Self-rated health	5	1	2.40	1.22
Others-rated health	7	1	5.03	1.37
Health evaluation index	1.78	-2.03	0.01	0.79
Relational network	12.71	0	6.75	2.66
Organization membership	Yes (14.20%); No (85.80%)
Structural social capital index	2.26	-1.53	-0.01	0.74
Trust	10	0	5.38	1.62
Reciprocity	5	1	3.90	0.81
Mutual assistance	5	1	4.56	0.89
Cognitive social capital index	1.20	-3.68	0.01	0.70
Positive attitude	4	1	2.93	0.89
Physical exercise	21	0	2.40	3.38
Sex	Males (51.82%); Females (48.18%)
Age	98	62	68.83	5.85
Education level	5	0	0.58	0.86
Marital status	Have a spouse (79.65); No spouse (20.35%)
Social status	5	1	3.14	1.15