Table 5. The latent class logit model estimates.

		Group 1		Group 2
		Coefficient	SE	Coefficient	SE
Preventive service time	Workday*†
	Vacation‡	0.126**	0.046	1.793***	0.179
Preventive effectiveness	Low§†
	General¶	1.301***	0.091	0.297	0.172
	High**	1.889***	0.432	1.808	0.952
	Very high††	3.180***	0.434	1.466	0.952
Distance‡‡	≥50 min†
	25–50 min	0.262***	0.060	0.323*	0.157
	10–25 min	0.449	0.312	1.529	0.881
	≤10 min	0.440	0.310	1.353	0.881
OOP service cost (CNY)		−0.010***	0.000	0.003	0.002

Note:*p<0.05, **p<0.01, ***p<0.001.

^*Non vacation

^†Reference.

^‡Usually weekends and statutory holidays

^§The probability of reduction in caries is 60%-70%

^¶The probability of reduction in caries is 70%-80%

^**The probability of reduction in caries is 80%-90%

^††The probability of reduction in caries is higher than 90%

^‡‡The driving time to the healthcare institution by public transport, including bus, subway, etc.

CNYChinese yuanOOPout-of-pocket