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Table 4 Association between knowledge of mothers on PMTCT of HIV and each explanatory variable (Crude & adjusted OR), Gondar, North West Ethiopia, 2011

From: Determinant factors of pregnant mothers’ knowledge on mother to child transmission of HIV and its prevention in Gondar town, North West Ethiopia

Explanatory Variable Knowledge on PMTCT of HIV Crude OR (95% CI) Adjusted OR (95% CI) P-value
  Yes(1) No(0)    
Age      0.012
15-24 158 20 7.110(3.231,15.644) 3.885 (1.511, 9.991)  
25-34 156 28 5.014 (2.361,10.649) 3.773 (1.397, 10.192)  
35-49 20 18 1.00 1.00  
Residence      
Urban 266 19 9.676 (5.333,17.556) 3.620 (1.726, 7.593) 0.001
Rural 68 47 1.00 1.00  
Education level      0.009
No Education 138 56 1.00 1.00  
Primary education 31 7 1.797 (0.748, 4.320) 0.683 (0.241, 1.938)  
Secondary & above 165 3 22.319(6.836,72.874) 6.152(1.747, 21.658)  
Perceived risk of HIV      0.006
Yes 230 31 2.497 (1.461, 4.268) 2.614 (1.321, 5.170)  
No 104 35 1.00 1.00  
Have Comprehensive Knowledge on HIV/AIDS
 Yes 221 18 5.215 (2.899, 9.382) 2.859 (1.405, 5.815) 0.004
 No 113 48 1.00 1.00  
Accessibility of Health facility
 Yes 277 30 5.832 (3.324, 10.231) 2.163 (1.025, 4.567) 0.043
 No 57 36 1.00 1.00  
  1. ➢ For explanatory variables having more than two categories, the overall significance is given by their corresponding P-values.
  2. ➢ The assessment made whether the required assumptions for the application of multiple logistic regression was fulfilled showed that this parsimonious model adequately fits the data as P = 0.287 (by using Hosmer and Lemeshow test).