TABLE 3: Association between demographic and social variables and presence of trachoma in students living in the Jequitinhonha Valley, Minas Gerais, Brazil, 2018 (bivariate analysis).

Variables	Trachoma				p-value*
	Yes		No
	(n)	(%)	(n)	(%)
Gender					0.661
Male	13	43.3	176	39.3
Female	17	56.7	272	60.7
Age					0.558
≤10 years	9	30.0	158	35.3
>10 years	21	70.0	290	64.7
Current school grade					0.965
1st to 5th grade	12	40.0	181	40.4
6th to 9th grade	18	60.0	267	59.6
Number of people residing in the household					0.108
≤4	14	46.7	145	32.4
>4	16	53.3	303	67.6
Type of school					0.008
Municipal	18	60.0	161	35.9
State	12	40.0	287	64.1
School location					<0.001
Rural area	18	60.0	114	25.4
Urban area	12	40.0	334	74.6
Is there a maid or cleaner in the household? (Fisher’s exact test)					0.497**
No	29	96.7	410	91.5
Yes	1	3.3	38	8.5
Is the mother employed?					0.437
No	18	60.0	236	52.7
Yes	12	40.0	212	47.3
Is the father employed?					0.898
No	7	23.3	100	22.3
Yes	23	76.7	348	77.7

(*) Chi-square test; (**) Fisher’s exact test.