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Table 3 Results from the multivariate analysis – adjusted for demographic, socio-economic and reproductive variables, North and South Gondar zones, northwest Ethiopia, 2007

From: Differentials of fertility in North and South Gondar zones, northwest Ethiopia: A comparative cross-sectional study

Explanatory variable Fertility level OR (adjusted) 95% C. I. P-value
  High Low   Lower Upper  
Place of residence       < 0.001*
   Big towns 84 389 1.00    
   Small towns 79 230 1.27 0.86 1.90 0.235
   Rural areas 848 794 2.79 2.01 3.87 < 0.001
Age at first marriage       < 0.001*
   < 15 years 635 553 1.00    
15 – 19 years 353 638 0.65 0.53 0.80 < 0.001
20 and above 23 200 0.21 0.13 0.36 < 0.001
Current marital status       
   Married 889 1088 1.62 1.20 2.19 0.002
   Others 122 325 1.00    
Educational level       0.002
   No education 884 989 1.00    
   Primary 104 214 0.92 0.67 1.27 0.613
   Secondary and above 23 210 0.37 0.21 0.64 < 0.001
Monthly household expenditure       < 0.001*
   ≤ 320 Eth Birr 256 556 1.00    
321 – 500 Eth Birr 309 487 1.48 1.16 1.88 0.001
501 – 999 Eth Birr 327 292 3.39 2.60 4.43 < 0.001
   ≥ 1000 Eth Birr 119 78 6.97 4.54 10.71 < 0.001
Number of children who have died       < 0.001*
   none 513 1235 1.00    
   1–2 children 382 166 4.31 3.42 5.42 < 0.001
   3 and above children 116 12 19.87 10.45 37.77 < 0.001
Knowledge of the respondent regarding the period of pregnancy       
   Correct 92 274 1.00    
   Wrong 919 1139 1.42 1.04 1.93 0.027
Attitude towards using contraceptives in the future       
   Yes 552 860 1.00    
   No 459 553 1.26 1.02 1.55 0.030
Total number of children born alive from the mother of the respondent       
   1 – 4 children 150 321 1.00    
   5 – 9 children 650 929 1.27 0.97 1.64 0.079
   10 and above 211 162 2.16 1.55 3.03 < 0.001
  1. * For variables having more than two categories, the overall significance is given by their corresponding P – values N.B. The combined contribution of the rest 12 variables was very minimal (LRT = 19.67, (df = 20), P > > 0.20). This justifies the dropping of these variables so as to have a more parsimonious model that works just as the full model.