Catastrophic healthcare expenditure and its inequality for households with hypertension: evidence from the rural areas of Shaanxi Province in China

Table 1 Description of independent variables

Need variables		Control variables
variables	description	variables	description
Illness	1 = Having members of illness in last two weeks, 0^a otherwise	Economic status	household consumption expenditure
Inpatient	1 = having members of inpatient in last half year, 0 ^aotherwise	Marriage status	0^a = Not married,1 = married,2 = else marriage of house head
Elderly Members	1 = having members over 60 years old,0^a otherwise	Supplementary medical insurance	1 = Having members covered by supplementary medical insurance, 0^a otherwise
Score	natural logarithm of house head’s self-report health score	Household scale	0^a if residents < =2 1 if 2 < residents < =4 2 if residents > 5
		Migrants scale	0^a if migrants = 0 1 if 0 < migrants < =2 2 if migrants > =3
		Time	natural logarithm of minutes to go to the nearest medical institution
		Gender	1 if female house head, 0^a otherwise
		Drinking ratio	Drinking counts/residents
		Education level	0^a if illiteracy, 1 if elementary, 2 if middle school, 3 if high school, 4 if university of house head

Note: Dummy were created for category variables in regression model, ^a indicate reference group

ISSN: 1475-9276