Preserving natural teeth versus extracting them: a willingness to pay analysis

BMC Oral Health

Table 1 The frequency of qualitative variables and common descriptive statistics for quantitative variables (N = 795)

Qualitative variables
Variable	Subgroups	Frequency	Percent
Gender	Male	355	44.7
Gender	Female	440	55.3
Marital status	Single	311	39.1
	Married	438	55.1
	Divorced	27	3.4
	Widow	19	2.4
Education	Associate or lower	266	33.5
Education	Bachelor or higher	529	66.5
Employment status	Unemployed	150	18.9
	Employed	410	51.6
	Retired	67	8.4
	Job seeker	61	7.7
	Housewife	107	13.5
Domicile	Metropolis	390	49.1
Domicile	Non-metropolis	405	50.9
Basic insurance	Don't have	185	23.3
Basic insurance	Have	610	76.7
Matching between revenues and expenses	No	479	60.3
Matching between revenues and expenses	Yes	316	39.7
Self-report oral health	Poor	209	26.3
Self-report oral health	Good/fair	586	73.7
The dentist you prefer for treatment of dental problem	Specialist dentist	423	53.2
	General dentist	58	7.3
	Not important	314	39.5
Center you prefer for treatment of dental problem	Private office	309	38.9
	Private clinic	124	15.6
	Public clinic	86	10.8
	Not important	276	34.7

Quantitative variables
Variable	Minimum	Maximum	Mean*	SD*
Age	18	83	35.90	13.43
self-reported questionnaire score (0–100 linear measure)	0	69.19	46.77	8.75
WTP for painless anterior	0	870	82.16	127.91
WTP for painful anterior tooth	0	870	87.68	127.11
WTP for painless posterior tooth	0	870	64.70	99.84
WTP for painful posterior tooth	0	870	69.86	105.00
Total WTP (for painless anterior and posterior and painful anterior and posterior tooth)	0	3480	304.40	418.70

ISSN: 1472-6831