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Table 4 Estimates of the coefficients and marginal effects from the probit regression of supplemental private health insurance enrolment on general health indicator adjusting for demographic variables, physical conditions, and risk tolerance proxies (equation 3)

From: Risk selection into supplemental private health insurance in China

 CoefficientMarginal effect
General Health Indicatora0.281* (0.116)0.0182* (0.00809)
Live in rural area−0.319** (0.0983)− 0.0207** (0.00755)
Age−0.0222*** (0.00568)−0.00144*** (0.000406)
Male−0.0604 (0.133)−0.00392 (0.00872)
Ever had condition
 High blood pressure0.0767 (0.128)0.00498 (0.00847)
 Diabetes−0.146 (0.171)− 0.00950 (0.0111)
 Cancer0.0896 (0.322)0.00582 (0.0208)
 Lung disease−0.323* (0.155)−0.0210* (0.0107)
 Heart problem0.112 (0.128)0.00727 (0.00809)
 Stroke−0.823* (0.413)−0.0534 (0.0278)
 Psychiatric problem−0.499 (0.380)− 0.0324 (0.0251)
 Arthritis−0.0969 (0.112)− 0.00629 (0.00736)
 Dyslipidaemia0.00348 (0.128)0.000226 (0.00828)
 Liver disease−0.0548 (0.173)− 0.00356 (0.0113)
 Kidney disease0.507 (0.270)0.0329 (0.0189)
 Stomach/digestive disease−0.0487 (0.121)−0.00316 (0.00789)
 Asthma0.0994 (0.227)0.00646 (0.0147)
 gMemory problem0.586 (0.345)0.0381 (0.0231)
Household total wealth (in 1000 Chinese ¥)0.00000417 (0.00000866)0.000000271 (0.000000559)
Annual personal income (in 1000 Chinese ¥)0.00424 (0.00280)0.000275 (0.000190)
Smoke now0.0487 (0.123)0.00316 (0.00798)
Drink alcohol daily or more often−0.115 (0.129)−0.00748 (0.00855)
Have commercial pension1.046*** (0.282)0.0680*** (0.0183)
Education high school or above0.155 (0.135)0.0100 (0.00865)
N9403 
  1. Standard errors in parentheses
  2. * p < 0.05, ** p < 0.01, *** p < 0.001
  3. aThe general health indicator was 1 if self-reported health was fair or better than fair and was 0 if self-reported health was poor. Zero was the baseline category in regression