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Table 3 Determinant factors of dental caries amongst primary school children in Harar, Eastern Ethiopia, 2018

From: Analysis of salivary level Lactobacillus spp. and associated factors as determinants of dental caries amongst primary school children in Harar town, eastern Ethiopia

VariablesDental cariesCOR (95% CI)AOR (95% CI)P-value
YesNo   
No. (%)No. (%)   
Grade
 1–461(42.7)82(57.3)2.07 (1.37–3.14)1.73 (1.02–2.92)0.041
 5–889(33.7)175(66.3)11 
Previous year average academic score (%)
Less than 506(54.5)5(45.5)7.31 (2.66–20.0)3.68 (1.1–12.29)0.034
50 and greater131(34.2)252(65.8)11 
Consumption of sweet foods
Yes140(39.2)217(60.8)2.5 (1.21–5.17)4.08 (1.62–10.2)0.003
No10(20.4)39(79.6)11 
Cleaning teeth
 No72(48)78(52)3.57 (2.34–5.45)2.23 (1.32–3.78)0.002
 Yes78(30.4)179(69.6)11 
Way of cleaning teeth
 Toothbrush without paste97(39.4)149(60.6)0.26 (0.16–0.42)3.05 (1.69–5.49)0.001
 Toothbrush with paste52(32.9)106(67.1)11 
Dental ache history
 Yes79(53.4)69(46.6)3.03 (1.99–4.62)2.95 (1.78–4.89)< 0.001
 No71(27.4)188(72.6)11 
Salivary Lactobacillus count
Significant125(45.8)148(54.2)3.68 (2.24–6.04)4.01 (2.24–7.18)< 0.001
Insignificant25(18.4)109(81.3)11 
Salivary pH
 Acidic (<  6.5)58(42.9)113(57.1)2.87 (1.75–4.72)1.93 (1.07–3.48)0.028
 Basic (> 7.25)27(32.9)55(67.1)0.83 (0.41–1.69)0.38 (0.17–0.88)0.025
 Neutral (6.75–7.25)38(29.9)89(70.1)11 
  1. COR crude odds ratio, AOR adjusted odds ratio, CI confidence interval P-value < 0.05