Table 1.

Characteristics of the sample (N = 286).

Variable	Categories	n (%)
Age	<60 years	191 (66.8)
	≥60 years	95 (33.2)
Gender	Male	181 (63.3)
	Female	105 (36.7)
Education	<High school	176 (61.5)
	≥ High school	110 (38.5)
Marital status	Single/divorced/widow	25 (8.7)
	Cohabiting/married	261 (91.3)
Employment	Unemployed	95 (33.2)
	Employed	191 (66.8)
Religion	No	239 (83.6)
	Yes	47 (16.4)
Household monthly income	<3,000 RMB	235 (82.2)
	≥3,000 RMB	51 (17.8)
Disease duration	<6 months	160 (55.9)
	≥6 months	126 (44.1)