Table 1.

Sociodemographic and work characteristics of the participants (n = 2106).

Variables		n	%
Sex	Male	1561	74.1
	Female	544	25.8
	Other	1	0.1
Age range	21–30	397	18.9
	31–40	516	24.5
	41–50	683	32.4
	51–60	378	17.9
	>60	132	6.3
IBGE race classification	White	1830	86.9
	Brown/Black	133	6.3
	East Asian	126	6.0
	I prefer not to answer	17	0.8
Higher education level	Dentistry degree	613	29.1
	Postgraduate degree (certificate/MSc/PhD/Postdoc)	1493	70.9
Time since graduation (clinical experience in years)	<4 years/not working in clinical practice	342	16.2
	5–10 years	297	14.1
	11–20 years	557	26.4
	>20 years	910	43.2
Lives in	São Paulo	911	43.3
	Countryside	1195	56.7
Main workplace	Private practice	1556	73.9
	Hospital	100	4.7
	University/Research laboratory	224	10.6
	Public dental service	226	10.7