Table 2. Multilevel logistic regression of determinants in the presence of gingival bleeding.

SB Brasil, 2010.

Variable	OR	CI95%	p value
Contextual
Gini Index a
Middle tertile	0.74	0.54–1.00	0.05
Upper tertile	0.77	0.56–1.07	0.12
MHDI b	0.94	0.65–1.34	0.73
SB/FHS coverage c
25%-50%	0.67	0.52–0.88	0.004
>50%	0.53	0.39–0.73	<0.001
Individual
Sex d	0.87	0.76–1.00	0.02
Self-reported skin color e	1.32	1.14–1.53	<0.001
Income f	0.83	0.72–0.97	0.40
Education	0.73	0.63–0.85	0.10

^a lower tertile = 1, middle tertile = 2 and upper tertile = 3.

^b ≤ 0.7 = 1; >0.7 = 2.

^c < 25% = 0; 25%-50% = 1; >50% = 2.

^d male = 0; female = 1.

^e white = 0; nonwhite = 1.

^f ≤ R$ 1,500 = 0; > R$ 1,500 = 1.

Missing data: income (159) and education (212).

Sextant excluded or not evaluated: sex 17 (2,514); sex 11 (2,297); sex 27 (2,559); sex 37 (2,211); sex 31 (632); sex 47 (2,201).