Table 4 Odds ratios (ORs) and 95% Confidence interval (CI) for caries experience (DMT>0), moderate to high need for treatment and poor oral health perceptions according to socio-demographic characteristics and oral health behaviors.

Model 1: DMT>0

Residence (rural versus urban)

1.2 (1.0 - 1.5)

1.3 (1.1 - 1.6)

Sex (girls versus boys)

1.4 (1.3 - 1.6)

1.5 (1.3 - 1.7)

Age (15-19 versus 10-14 years)

1.3 (1.0 - 1.7)

1.3 (1.1 - 1.4)

R squared

0.011

Dental attendance (yes versus no)

3.7 (3.1 - 4.5)

R²

0.052

Model 2: Moderate/high treatment need

Wealth: (2^nd poor quartile versus 1^st poorest quartile)

1.3 (0.9 - 1.9)

1.3 (0.9 - 1.9)

Wealth: (3^rd poor quartile versus 1^st poorest quartile)

2.6 (1.3 - 5.1)

2.2 (1.1 - 4.4)

Wealth: (4^th least poor quartile versus 1^st poorest quartile)

1.1 (0.7 - 1.8)

1.0 (0.6 - 1.6)

Sex (girls versus boys)

1.4 (1.1 - 1.9)

1.5 (1.1 - 2.1)

Age (15-19 versus 10-14 years)

1.5 (1.1 - 2.1)

1.6 (1.1 - 2.2)

R squared

0.021

Dental attendance (yes versus no)

3.5 (2.4 - 5.1)

R²

0.044

Model 3: Poor oral health perception

Mother's education (High versus Low)

0.9 (0.7 - 1.1)

0.9 (0.7 - 1.1)

Residence (rural versus urban)

0.7 (0.6 - 0.8)

0.7 (0.6 - 0.9)

Sex (girls versus boys)

0.8 (0.6 - 0.9)

0.8 (0.7 - 0.9)

R²

0.017

Toothpaste use (yes versus no)

0.6 (0.5 - 0.8)

Sugar intake (high versus low)

1.2 (0.9 - 1.4)

Tooth brushing: Once a day versus never/seldom

0.9 (0.8 - 1.0)

Tooth brushing: >once a day versus never/seldom

0.9 (0.8 - 1.0)

R²

0.037