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. 2009 Jun 10;69(3):387–395. doi: 10.1016/j.socscimed.2009.05.014

Table 2.

Regression variables description.

Name Unit Mean (sample size 26,561) Mean (sample size 6011)
LHS variable
Insurance 1 if insured, 0 if not 0.29 0.48



Key RHS variables
Open degree 1 Index for Open Door Policy, prov/year, dummy of Open Degree 1 0.28 0.23
Open degree 2 Dummy of Open Degree 2 0.57 0.65
Collective Index 1 Index of Collective enterprises reforms, Dummy of Collective 1 0.36 0.38
Collective Index 2 Dummy of Collective 2 0.35 0.24
SOE SOE = 1, otherwise = 0 0.19 0.30
Collective Collective = 1, otherwise = 0 0.13 0.24
Other units Other units = 1, otherwise = 0 0.52 0.32
Unemployed Unemployed(seeking job) = 1, otherwise = 0 0.02 0.02
Retired Retired = 1, otherwise = 0 0.04 0.05
Housewife Housewife = 1, otherwise = 0 0.03 0.02
Student Student = 1, otherwise = 0 0.04 0.03
Others with no work Others with no work = 1, otherwise = 0 0.02 0.01



RHS control individual variables
registration 1 if registered urban,0 if rural 0.41 0.59
age Individual age 36.68 37.25
gender 1 if male; 0 if female 0.56 0.59
Number of HH roasters contributed to income # of person in the person's household who contributes to household income 4.00 3.85
edulevel 0 none,1 primary school,2 junior high, 3 high school,4 middle technical or vocational degree,5 university or college,6 master or higher 1.97 2.21
lnhhincome Log household income adjusted by price 8.45 8.62
health_status Self-reported health status, 1 if good health, 0 if poor health 0.73 0.75
marital_status if married, 0 if not 0.73 0.79
illness (Temporary Health Status) whether the person have been sick or injured or suffering from chronic disease during the last 4 weeks 1 if sick or injured, 0 otherwise 0.07 0.07



Year province dummy variables
dyear1 Year dummy, 1 if 1991, 0 otherwise 0.27 0.26
dyear2 Year dummy, 1 if 1993, 0 otherwise 0.21 0.25
dyear3 Year dummy, 1 if 1997, 0 otherwise 0.26 0.26
dyear4 Year dummy, 1 if 2000, 0 otherwise 0.26 0.23
dprov1 Province dummy, 1 if Liaoning, 0 otherwisee 0.08 0.06
dprov2 Province dummy, 1 if Heilongjiang, 0 otherwisee 0.06 0.02
dprov3 Province dummy, 1 if Jiangsu, 0 otherwisee 0.13 0.22
dprov4 Province dummy, 1 if Shandong, 0 otherwisee 0.10 0.17
dprov5 Province dummy, 1 if Henan, 0 otherwise 0.13 0.10
dprov6 Province dummy, 1 if Hubei, 0 otherwise 0.13 0.15
dprov7 Province dummy, 1 if Hunan, 0 otherwise 0.12 0.11
dprov8 Province dummy, 1 if Guangxi, 0 otherwise 0.14 0.10
dprov9 Province dummy, 1 if Guizhou, 0 otherwise 0.12 0.06