Table 2.

Distribution of children using bivariate analysis with Streptococcus mutans level in saliva (CFU/mL) as dependent variable

Dependent variable: Streptococcus mutans level in saliva
Variables	CFU ≥ 106/mL (n = 162)		CFU < 106/mL (n = 304)
	n	%	n	%	OR	95% CI
Oral hygiene α
Regular, satisfactory	107	32.6	243	69.4	1
Deficient, very deficient	55	47.4	61	52.6	2.1	1.3–3.2
Who performs the toothbrushing? *α
Parents	36	25.4	106	74.6	1
Child and parents	126	38.9	198	61.1	1.9	1.2–3.0
Daily frequency of non-retentive foods (liquid) with sucrose α
≤ 7 times/day	66	29.5	158	70.5	1
> 7 times/day	96	39.7	146	60.3	1.6	1.1–2.4
dmft index
dmft < 5	153	34.2	295	65.8	1
dmft ≥ 5	9	51.0	9	50.0	1.9	0.7–5.5

Symbol (^*) indicates the question asked to parents during the interview.

Symbol (^α) means statistically significant association (p < 0.05).