Table 4. Poisson regression model for association between enamel defects and malnutrition (N = 1420).

Variables	Enamel hypoplasia APR (95% CI)	p-value	Hypomineralized primary second molar APR (95% CI)	p-value	Fluorosis APR (95% CI)	p-value	Amelogenesis imperfecta APR (95% CI)	p-value
0-2-year-olds
Normal	1.00	-	-	-	1.00	-	1.00	-
Underweight	**	<000.1	-	-	30.38(0.68—**)	0.078	**	<0.001
Stunted	1.29(0.23–7.15)	0.771	-	-	0.33(0.17–0.66)	0.002	**	<0.001
Wasted	0.51(0.06–4.18)	0.531	-	-	**	<0.001	2.41(0.15–38.07)	0.531
Overweight	1.20(0.22–6.66)	0.834	-	-	7.32(0.15–353.04)	0.314	**	<0.001
3-5-year-olds
Normal	1.00	-	1.00	-	1.00	-	1.00	-
Underweight	1.87(0.41–1.86)	0.721	0.56(0.13–2.48)	0.445	**	0.995	2.06(0.53–7.95)	0.294
Stunted	1.11(0.57–2.17)	0.754	0.74(0.24–2.31)	0.608	**	0.996	0.38(0.10–1.45)	0.156
Wasted	0.41(0.17–0.99)	0.047	0.27(0.05–1.38)	0.117	**	0.997	**	<0.001
Overweight	0.23(0.03–1.60)	0.136	**	<0.001	**	0.999	**	<0.001
0-5-year-olds
Normal	1.00	-	1.00	-	1.00	-	1.00	-
Underweight	0.76(0.36–1.64)	0.490	1.37(0.40–4.72)	0.618	3.81(0.42–34.34)	0.331	0.96(0.14–6.38)	0.965
Stunted	1.12(0.58–2.17)	0.745	0.44(0.11–1.69)	0.231	0.22(0.11–0.41)	<0.001	0.47(0.11–1.97)	0.303
Wasted	0.42(0.19–0.95)	0.037	0.41(0.14–1.21)	0.107	**	<0.001	0.30(0.03–3.50)	0.338
Overweight	0.55(0.18–1.62)	0.277	**	<0.001	2.61(0.24–28.41)	0.431	**	<0.001

APR: adjusted prevalence ratio, CI: confidence interval.

**Extremely large or too small estimates due to condition prevalence