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