Table 1.

Sample characteristics by “morbidity group.”

	Healthy (n = 2,893)	Physical (n = 6,234)	Mental (n = 1,510)	Physical and mental (n = 2,163)	Total sample (n = 12,800)
Sex
Female	21.8	46.4	14.8	17.0	52.3
Male	24.6	51.7	8.4	15.3	47.7
Age
60–64	32.7	40.2	8.6	18.5	30.1
65–69	25.5	46.9	11.2	16.4	27.3
70–74	18.1	55.8	13.4	12.7	21.8
≥75	10.1	61.7	13.3	14.9	20.8
Site in Guangdong Province
Central	25.1	45.7	14.2	15.0	40.8
East	22.4	46.9	12.8	17.9	30.7
West	20.9	52.8	10.4	15.9	28.5
Education
Illiterate	19.5	43.5	13.5	22.5	56.4
Primary	19.1	49.5	14.5	15.9	28.9
Secondary	24.7	51.2	10.3	13.8	11.8
University	26.2	48.1	11.4	14.3	2.9
Marital status
Married/living with partner	27.1	45.8	10.6	16.5	55.3
Widowed	13.4	57.1	15.4	14.1	28.1
Separated/divorced	14.1	49.6	13.1	23.2	10.2
Never married	16.7	54.7	11.2	17.4	6.4
Economic status
Poor	9.4	60.5	8.6	21.5	24.8
Intermediate	25.8	46.9	12.8	14.5	45.4
Good	31.4	41.2	11.7	15.7	29.8
Occupation
Farmer	26.4	44.7	11.1	18.7	58.8
Other work	20.1	48.6	9.4	21.9	11.2
No work	17.9	53.9	14.5	13.7	30.0
Total	22.6	48.7	11.8	16.9	100.0