Prevalence and factors related to dental caries among pre-school children of Saddar town, Karachi, Pakistan: a cross-sectional study

Table 3 Conditional univariate logistic regression with random effects logistic regression analysis of socio-demography and oral health status related to dental caries

Variables	Conditional univariate logistic regression			Random effects logistic regression (bootstrap)
Variables	p-value	Risk ratio	95% Confidence interval	p-value	95% Confidence interval
Age category
3 years	Ref	-		-	-
4 years	0.256	1.174	0.891-1.547	0.145	(−0.046)-0.397
5 years	0.046	1.313	1.005-1.716	0.007	0.072-0.508
6 years	0.046	1.829	1.011-3.307	0.007	0.158-0.939
Gender
Male	0.258	1.107	0.928-1.320	0.098	(−0.025)-0.229
Female	Ref			-	-
Presence of Dental Plaque
Yes	Ref	-	-	-	-
No	0.000	1.531	1.277-1.835	0.001	0.296-0.555
Poor Oral Hygiene
Yes	Ref	-	-	-	-
No	0.000	0.585	0.484-0.707	0.001	(−0.653)-(−0.410)

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