. 2020 Nov 8;61(3):144–151. doi: 10.1111/j.1875-595X.2011.00031.x

Table 4.

Odds ratios (OR) and 95% confidence intervals (CI) derived from multivariate ordinal logistic regression analysis with dependent variables: dmft, d/(d + f)%, DMFT, D/(D + F)%, and DI-s

Independent variables	dmft, OR (95% CI)	P	d/(d + f) %, OR (95% CI)	P	DMFT, OR (95% CI)	P	D/(D + F)% OR (95% CI)	P	DI-s, OR (95% CI)	P
Age (years)
5–6	0.31 (0.25–0.39)	<0.001	2.34 (1.51–3.63)	<0.001	–		–		0.57 (0.46–0.70)	<0.01
7–8	0.70 (0.61–0.80)	<0.001	1.32 (1.08–1.62)	<0.001	0.16 (0.14–0.20)	<0.001	1.70 (1.19–2.43)	<0.01	0.95 (0.84–1.09)
9–10	1.0^*		1.0^*		0.52 (0.45–0.60)	<0.001	1.45 (1.14–1.86)	<0.01	1.27 (1.113–1.45)	<0.001
11–12	–		–		1.0^*		1.0^*		1.0^*
Gender
Girls	0.87 (0.77–0.98)	<0.05	0.99(0.81–1.20)	NS	1.33 (1.17–1.52)	<0.001	0.84 (0.67–1.05)	NS	0.77 (0.69–0.85)	<0.001
Boys	1.0^*		1.0^*		1.0^*		1.0^*		1.0^*
Ethnic background
Immigrants	4.34 (3.63–5.21)	<0.001	2.44 (1.86–3.18)	<0.001	2.63 (2.22–3.11)	<0.001	1.68 (1.26–2.25)	<0.001	1.72 (1.48–1.99)	<0.001
Greek	1.0^*		1.0^*		1.0^*		1.0^*		1.0^*
Residence area
Urban	1.37 (1.09–1.73)	<0.01	0.95 (0.66–1.35)	NS	0.85 (0.67–1.06)	NS	0.86 (0.57–1.28)	NS	1.66 (1.37–2.01)	<0.001
Semi-urban	1.0^*		1.0^*		1.0^*		1.0^*		1.0^*
Area-based income
Low 1	1.52 (1.22–1.90)	<0.001	1.60 (1.15–2.22)	<0.001	1.32 (1.05–1.66)	<0.01	1.26 (0.84–1.84)	NS	1.76 (1.47–2.12)	<0.001
Low 2	1.30 (1.02–1.66)	<0.05	1.26 (0.87–1.83)	NS	2.14 (1.69–2.72)	<0.001	1.05 (0.71–1.59)	NS	1.59 (1.30–1.94)	<0.001
Low 3	1.13 (0.93–1.38)	NS	1.11 (0.82–1.49)	NS	1.20 (0.97–1.48)	<0.10	0.95 (0.66–1.36)	NS	1.12 (0.95–1.32)	NS
Low 4	1.15 (0.93–1.41)	NS	1.43 (1.04–1.96)	<0.001	1.23 (0.99–1.54)	<0.10	1.66 (1.10–2.49)	<0.05	1.67 (1.40–1.98)	<0.001
High 5	1.0^*		1.0^*		1.0^*		1.0^*		1.0^*
Nagelkerke R²	0.114		0.055		0.151		0.038		0.045

Reference category.