Table 4: Multiple binary logistic regression of computed variables (N = 572).

Variables

COR (95% CI)

P-value

AOR (95% CI)

P-value

School type

 

Arbate Asmara

1

0.006

1

0.012*

Bahtimeskerem

1.279 (0.583-2.806)

0.540

1.117 (0.527-2.365)

0.773

Embatekera

0.826 (0.369-1.848)

0.642

0.808 (0.372-1.752)

0.589

Hadnet

1.148 (0.474-2.777)

0.760

0.972 (0.435-2.17)

0.945

Bana

0.453 (0.203-1.010)

0.053

0.426 (0.197-0.92)

0.030*

Gnbot 24

0.494 (0.220-1.109)

0.087

0.555 (0.262-1.177)

0.125

Sex

Male

       

Female

0.620 (0.422-0.911)

0.015

0.636 (0.441-0.918)

0.016*

Age

12

0.851 (0.656-1.104)

0.224

   

13

   

14

   

15

   

Grade

 

6th

1

0.968

1

 

7th

1.017 (0.558-1.851)

0.957

8th

1.065 (0.608-1.866)

0.826

Residence

Urban

0.796 (0.340-1.86)

0.598

   

Rural

 

 

Ethnicity

Tigrigna

1.704 (0.392-7.413)

0.478

   

Others

 

 

Family size

2 to 5

0.988 (0.883-1.106)

0.837

   

6-7

   

8 & above

   

Religion

Muslim

0.744 (0.267-2.073)

0.572

   

Christian

   

Father’s educational level

No formal school

 

0.448

   

Primary school

1.361 (0.389-4.759)

0.630

Junior school

0.342 (0.092-1.281)

0.111

Secondary school

1.516 (0.721-3.189)

0.273

College/University

0.951 (0.558-1.620)

0.853

 

Don’t know

1.023 (0.448-2.335)

0.958

 

 

Mother’s educational level

No formal school

 

0.708

 

 

 

Primary school

1.239 (0.515-2.981)

0.633

Junior school

1.640 (0.812-3.313)

0.168

Secondary school

1.458 (0.809-2.63)

0.210

College/University

1.466 (0.85-2.528)

0.169

Don’t know

1.245 (0.38-4.083)

0.717

N.B: *significant variables with oral hygiene practice