表 1. Variables and their assigned values.

变量及其赋值

Variable	Value
Self-rated health	Excellent=1, very good=2, good=3, fair=4, poor=5
Chronic disease	Yes=1, no=0
Sex	Female=1, male=0
Age	Old-age=1, middle-age=0
Marital status	Married=1, divorced=2, widowed=3, never married=4
Annual household consumption expenditure	Low=1, medium=2, high=3
Personal education level	Illiterate=1, elementary school=2, middle school=3, high school=4, junior college=5, bachelor or above=6
Urban or ruralresidents	Urban=1, rural=0
Community literacy level	Low=1, medium=2, high=3
Community per capita net income	Low=1, medium=2, high=3
The community has unemployment subsidies	Yes=1, no=0
The community has low-income subsidies	Yes=1, no=0
The community has other subsidies	Yes=1, no=0
The community has subsidies for persons older than 65	Yes=1, no=0
The community has subsidies for persons older than 80	Yes=1, no=0
Community has medical facilities	Yes=1, no=0