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Table 1 Prevalence of dental caries and socio-demographic characteristics amon g primary school children at Bahir Dar city, 2014 (n = 147)

From: Dental caries and associated factors among primary school children in Bahir Dar city: a cross-sectional study

Socio-demographic variables   Dental carries   COR (95% CI) P- value
  Positive N (%) Negative N (%) Total N (%)   
Age in years      
6 -10 15 (33.3) 30 (66.7) 45 (30.4) 0.4 (0.18 - 1.0) 0.03
11 -15 17 (16.7) 85 (83.3) 102 (69.6 1  
Sex      
Boys 12 (18.5) 53 (81.5) 65 (44.6) 1  
Girls 20 (24.4) 62 (75.6) 82 (55.4) 0.7 (0.31 - 1.57) 0.87
Grade      
1- 4 23 (31.9) 49 (68.1) 72 (49) 0.26 (0.07 - 0.92) 0.03
5- 8 9 (12.2) 65 (87.8) 75 (51) 1  
Family income      
<1000 21 (26.3) 59 (73.8) 80 (54.1) 0.23 (0.07- 0.72) 0.2
1001-2000 5 (11.9) 37 (88.1) 42 (28.4) 0.24 (0.63 - 8.66) 0.82
>2000 6 (24) 19 (76) 25 (17.6) 1  
Family educational status      
Illiterate 10 (18.5) 44 (81.5) 54 (36.7)   
Can read and write 7 (38.9) 11 (61.1) 18 (12.2)   0.03
1-8 grade level 7 (31.8) 15 (68.2) 22 (15)   
9-12 grade level 8 (25) 24 (75) 32 (21.8)   
>12 grade level 0 21 (100) 21 (14.3)   
Total 32 (21.8) 115 (78.2) 147 (100)   
  1. Key: COR (crude odds ratio), CI (Confidence interval), 1(Reference category).