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Table 1 Independent variables (N = 609)

From: Willingness to pay for social health insurance among informal sector workers in Wuhan, China: a contingent valuation study

Variable name Definition Mean SD
AGE Age in years 35.6 10.8
MALE Dummy variable = 1 if sex is male, 0 if female 0.49 0.50
EDU2 Dummy variable = 1 if highest educational attainment above elementary school but not above middle school, 0 otherwise 0.35 0.48
EDU3 Dummy variable = 1 if highest educational attainment above middle school but not above high school, 0 otherwise 0.39 0.49
EDU4 Dummy variable = 1 if highest educational attainment above high school, 0 otherwise 0.11 0.31
INCOME Monthly income (RMB) 874.8 760.2
MIGRANT Dummy variable = 1 if migration status is migrant, 0 if resident 0.21 0.41
EMPLOY Dummy variable = 1 if employment is permanent, 0 if employment is temporary 0.8 0.40
HEX Average monthly health expenditure in the past year (RMB) 27.4 72.1
  1. SD = standard deviation, RMB = Renminbi