Table 1.

Characteristics of the Study Sample

Variables		N/Mean	%/SD
Gender	Male	900	45.6
	Female	1072	54.4
Age (years)	<60	469	23.8
	≥60	1503	76.2
Education	Primary school and below	695	35.2
	Middle school	519	26.3
	High school and above	758	38.4
BMI (kg/m2)	<18.5	53	2.7
	18.5–23.9	1119	56.7
	24-27.9	540	27.4
	≥28	260	13.2
Complication	Yes	464	26.0
	No	1319	74.0
Duration of Diseases (years)		9.3	7.2
Self-report health	Poor	390	17.8
	Neutral	940	47.7
	Good	642	32.6
Marriage	Married	1725	87.5
	Unmarried	247	12.5
Monthly household	<2000	451	22.9
Income (RMB)	2000~3999	959	48.6
	≥4000	562	28.5
CHCs	A	400	20.3
	B	398	20.2
	C	394	20.0
	D	379	19.2
	E	401	20.3
Managed by	Yes	990	50.2
GP team	No	982	49.8
Medical insurance	Uninsured	140	7.1
	UEBMI	801	40.6
	URBMI	916	46.5
	Others	115	5.8