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

BMC Oral Health

Table 3 The frequency of qualitative variables for zero response participants

Variable	Subgroups	Painless anterior tooth		Painful anterior tooth		Painless posterior tooth		Painful posterior tooth
Variable	Subgroups	Frequency	Percent	Frequency	Percent	Frequency	Percent	Frequency	Percent
Gender	Male	60	57.1	55	55.6	93	52.8	72	50.7
Gender	Female	45	42.9	44	44.4	83	47.2	70	49.3
Marital status	Single	45	42.9	43	43.4	65	36.9	53	37.3
	Married	51	48.6	49	49.5	98	55.7	77	54.2
	Divorced	4	3.8	4	4.0	6	3.4	5	3.5
	Widow	5	4.8	3	3.0	7	4.0	7	4.9
Education	Associate and less	60	57.2	57	57.6	89	50.6	74	52.2
Education	Bachelor and higher	45	42.8	42	42.4	87	49.4	68	47.8
Employment status	Unemployed	37	35.2	33	33.3	47	26.7	39	27.5
	Employed	34	32.4	35	35.4	69	39.2	48	33.8
	Retired	9	8.6	8	8.1	16	9.1	14	9.9
	Job seeker	13	12.4	10	10.1	17	9.7	18	12.7
	Housewife	12	11.4	13	13.1	27	15.3	23	16.2
Domicile	Metropolis	49	46.7	43	43.4	77	43.8	65	45.8
Domicile	Non-metropolis	56	53.3	56	56.6	99	56.3	77	54.2
Basic insurance	Don't have	31	29.5	31	31.3	49	27.8	41	28.9
Basic insurance	Have	74	70.5	68	68.7	127	72.2	101	71.1
Matching between revenues and expenses	No	83	79.0	78	78.8	138	78.4	108	76.1
Matching between revenues and expenses	Yes	22	21.0	21	21.2	38	21.6	34	23.9

ISSN: 1472-6831