Table 2. Prevalence of DMFT (per individual) and association with sociodemographic variables.

	DMFT = 0		DMFT = 1 to 3		DMFT ≥4
	N	%	N	%	N	%	p
Parents´educational level
≤ 4th grade	5	26.3	3	15.8	11	57.9	0.001
5–12 grade	45	18.8	89	37.2	105	43.9
>12 grade	29	43.3	21	31.3	17	25.4
Total	79	24.3	113	34.8	133	40.9
Father´s professional situation
Employed	70	23.6	102	34.5	124	41.9	0.5
Unemployed	8	21.1	17	44.7	13	34.2
Total	78	23.3	119	35.6	137	41.1
Gender
Male	44	27.3	52	32.3	65	40.4	0.04
Female	51	19.6	92	35.4	117	45.0
Total	95	41.3	144	32.7	182	26.0
Age
≤ 15 years	62	27.1	88	38.4	79	34.5	0.02
> 15 years	32	18.5	51	29.5	90	52.0
Total	94	23.4	139	34.6	169	42.0
Residence area
Rural	56	19.9	97	34.5	128	45.6	0.1
Urban	39	27.9	47	33.6	54	38.6
Total	95	22.6	144	34.2	182	43.2