Table 2.

Bivariate analysis between the independent variables: socio-demographic and health indicators, and the outcomes: caries experience (DMFT > 0), OHI-S, TDI and C-OIDP with odds ratio (OR) and 95% confidence interval (CI)

	Caries experience DMFT/dmft>0		OHI-S -poor OHI	TDI - Trauma present	C-OIDP impact >0 (Age 11–13)
	OR (95% CI)		OR (95% CI)	OR (95% CI)	OR (95% CI)
	Unadjusted	Adjusted #	Unadjusted	Unadjusted	Unadjusted
Age
Under 12	1	1	1	1	-
12 and above	0.1 (0.0–0.3)	0.07 (0.0–0.3)	0.9 (0.4–2.4)	1.8 (0.6–5.5)
Gender
Girls	1	1	1	1	1
Boys	0.7 (0.3–1.8)	1.1 (0.2–5.4)	0.9 (0.3–2.4)	0.8 (0.2–2.8)	0.8 (0.6–1.1)
Residence
Non boarders	1	1	1	1	1
Boarders	0.9 (0.4–2.1)	0.8 (0.2–3.4)	1.0 (0.4–2.6)	0.5 (0.2–1.5)	1.1 (1.0–1.4)
Mother education
Not educated	1	1	1	1	1
Educated	0.5 (0.2–1.3)	0.6 (0.2–2.6)	0.6 (0.2–2.0)	2.2 (0.4–10.7)	0.4 (0.0–6.7)
Father education
Not educated	1	1	1	1	1
Educated	0.8 (0.3–2.5)	1.8 (0.3–9.1)	0.8 (0.2–2.6)	0.4 (0.1–1.5)	0.3 (0.0–5.6)
Mother occupation
Not working	1	1	1	1	1
Working	0.5 (0.2–1.1)	0.7 (0.2–2.4)	0.8 (0.3–2.0)	1.1 (0.3–3.6)	0.8 (0.7–1.1)
Father occupation
Not working	1	1	1	1	1
Working	0.8 (0.3–2.1)	0.8 (0.2–3.3)	2.2 (0.8–6.5)	0.5(0.2–1.8)	0.2 (0.0–3.5)
Oral health
Caries experience
No	-	-	1	1	1
Yes			2.0 (0.8–5.2)	0.3 (0.1–1.2)	1.3 (0.9–1.7)
OHI-S
Good	1	1	-	1	1
Poor	2.0 (0.8–5.2)	1.9 (0.6–6.7)		0.6 (0.2–1.7)	1.1 (1.0–1.3)
TDI
No trauma	1	1	1	-	1
Present	0.3 (0.1–1.2)	0.8 (0.2–4.0)	0.6 (0.8–1.7)		1.0 (0.8–1.0)
Visual impairment
Complete (CVI)	1	1	1	4.3 (1.1–16.5)*	1.3 (0.4–5.0)
Partial (PVI)	3.3 (1.4–8.1)*	6.3 (1.7–22.7)*	3.0 (1.1–8.2)*	1	1

Binary logistic regression model for caries, adjusting for all variables illustrated above.

*p < 0.01.

# Logistic regression model: p = 0.001, chi square = 30.4, Nagelkerke R² = 0.43.