Table 3.

OIDP regressed on socio-demographic characteristics and oral health behaviours

Variable	Step 1: Socio-demographics‡	Step 2: Socio-demographics and behavioural factors§
	OR (95% CI)	OR (95% CI)
Age
12-15 yr	1	1
16-21 yr	1.2 (1.0-1.5)	1.2 (1.0-1.5)
Mother's education:
Low	1	1
High	0.9 (0.7-1.2)	0.9 (0.7-1.2)
Father's education:
Low	1	1
High	0.9 (0.7-1.2)	0.9 (0.7-1.2)
Family SES
High	1	1
Moderate/Low	1.3(1.0-1.7)	1.2 (0.9-1.6)
Parents afford dental care
yes	1	1
No	1.6 (1.3-2.0)	1.6 (1.3-2.0)
Tooth brushing
Not regularly		1
Regularly		0.8 (0.6-1.1)
Ever tried smoking
No		1
yes		2.0 (1.2-3.4)
Dental visit past 2 yr
Yes		1
No		0.6 (0.4-0.8)
Sugar sweetened soft drink intake
Never		1
At least on weekly basis		0.7 (0.6-0.9)

^‡Adjusted Odds ratios (ORs) and 95% Confidence interval (CI) for having at least one OIDP according to socio-demographic characteristics

^§Adjusted Odds ratios (ORs) and 95% Confidence interval (CI) for having at least one OIDP according to Socio-demographics and oral health behaviours.