Table 2.

Results of basic panel mixed logit model.

Attributes	Levels	Coefficient	Odds ratio (OR)	P	SD	P	Willingness to pay	P
Price (per 100 RMB)		−2.259	0.104	<0.001	1.540	<0.001	NA	NA
Alternative-Specific Constant		3.271	26.349	<0.001	NA	NA	102.74	<0.001
Vaccination setting
	Immunization clinics	Reference
	Mobile vaccination unit	−0.254	0.776	0.029	−0.064	0.410	−11.24	0.050
Appointment mode
	By drop-in	Reference
	By individual	0.445	1.561	0.006	0.700	0.123	19.70	0.010
	By group	1.097	2.997	<0.001	1.375	<0.001	48.58	<0.001
Service time
	Weekdays	Reference
	Weekends	0.239	1.270	0.049	1.038	0.001	10.60	0.057
Number of observations		1617
Number of respondents		539
Waldχ [2]/LRχ [2]		1980.2
P>χ [2]		<0.001
Akaike Information Criterion		1594.680
Log pseudo-likelihood		−786.342