Table 1.

Characteristic of participants (n = 514).

Characteristic		n	%
Age (mean ± SD)		33 ± 8
Min–Max		22–62
Gender	Male	222	43.2
	Female	292	56.8
Education level	High school	30	5.9
	Undergraduate	287	55.8
	Postgraduate	197	38.3
Profession	Dentist	401	78.0
	Nurse	89	17.3
	Technician	16	3.1
	Other	8	1.6
Marital status	Single	208	40.5
	Married	294	57.2
	Divorced	7	1.4
	Separated	3	0.6
	Widow	2	0.4
Religion	No religion	415	80.7
	Buddhism	58	11.3
	Roman Catholicism	41	8.0
Place of residence	Urban	418	81.3
	Suburban/Rural	96	18.7
Working place	Public hospital	244	47.5
	Private hospital	43	8.4
	Private clinic	209	40.6
	Other	18	3.5