Table 4.

Results of mixed logit regression analysis and WTP.

Attribute Levels	β (SE)	SD (SE)	WTP
Mode of service (reference level, traditional Chinese medicine services)
Western medicine services	0.394(0.025) *	1.482(0.045) *	−382.15
Integrated TCM and WM services	0.485(0.025) *	1.624(0.041) *	−470.54
Distance to practice (reference level, ≤30 min)
>30 min	−0.071(0.018) *	1.073(0.019) *	68.2
Care provider (reference level, GP)
Expert	0.847(0.018) *	2.33(0.043) *	−822.51
Cost (CNY)	−0.001(0.016) *	0.904(0.015) *
Log likelihood	−9638.80
Respondents, n	2019
Observations, n	32,304

Notes: * p < 0.01. SE: standard error. SD: standard deviation. WTP: willingness to pay.