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Table 3 Two-part model for WTP for the supplementary private health insurance

From: Willingness to pay for private health insurance among workers with mandatory social health insurance in Mongolia

  First part logit Second part OLS
Participate SE   WTP SE  
Age −0.014 0.007 * 193 150  
Sex (male) −1.125 0.311 *** 9697 6383  
Household income 0.214 0.096 * 182 1855  
Sex*household income 0.248 0.132   1101 2538  
Industry
 Mining and quarrying       
 Processing industries 0.199 0.278   6992 5897  
 Electricity 0.477 0.313   − 620 6538  
 Construction 0.909 0.367 * 6542 7281  
 Wholesale and retail trade 0.559 0.292   12,768 6036 *
 Transportation 0.219 0.333   2543 7025  
 Information and communication 0.509 0.314   − 3334 6528  
 Finance and insurance 0.966 0.358 ** 4586 6743  
 Public administration −0.168 0.334   − 898 7328  
 Education services 1.161 0.352 ** 2977 6906  
 Health care 0.282 0.353   1867 7428  
Satisfied with SHI
 No       
 Yes 0.416 0.122   − 1426 2475  
Education
 Primary/ Secondary       
 College −0.125 0.212   6543 4482  
 University 0.147 0.149   − 1496 3114  
 Postgraduate 0.012 0.222   − 2048 4595  
Marital status
 Never married       
 Married −0.102 0.139   − 347 2776  
 Other −0.390 0.228   1232 4874  
Proportion of income spent on medical care
 none       
  < 5% 0.119 0.224   5549 4430  
 5–15% −0.117 0.209   1202 4237  
 15–25% −0.381 0.267   − 3162 5700  
  > 25% −0.164 0.280   13,784 5869 *
Sex* Proportion of income spent on medical care
  < 5%* Male 0.123 0.305   2749 6040  
 5–15%* Male 0.743 0.297 * − 1025 5936  
 15–25%* Male 1.324 0.374 *** 4576 7545  
  > 25%* Male 0.351 0.433   −13,080 9208  
Self-rated health
 Very good       
 Good 0.007 0.206   − 1860 4088  
 Fair −0.216 0.225   592 4525  
 Poor −0.499 0.412   2055 8869  
 Very poor 0.389 0.816   −13,970 16,288  
Smoking status
 Nonsmoker       
 Past smoker 0.488 0.323   8433 5829  
 Current smoker 0.153 0.241   265 4846  
Sex# Smoking status
 Male* Past smoker 0.091 0.416   −15,871 7689 *
 Male* Current smoker −0.023 0.291   − 9143 5870  
Adequate exercise
 No       
 Don’t know −0.606 0.249 * 3478 5302  
 Yes −0.143 0.217   4363 4417  
Sex* Adequate exercise
 Male* Don’t know 0.869 0.334 ** − 5121 6944  
 Male* Yes 0.494 0.275   − 5481 5546  
 Constant term −1.261 0.423 * 36,982 9141 ***
  1. *P ≤ .05; **P ≤ .01; ***P ≤ .001