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Table 2 Proportion not using any method and unadjusted regression coefficient showing bivariate relationship

From: Factors influencing contraceptive use and non-use among women of advanced reproductive age in Nigeria

Characteristic Non-use (%) Coefficient p > |z| 95% CI
Maternal age
 35–39 years (ref) 77.7
 40–44 years 77.7 −0.054 0.471 −0.201 to −0.093
 45–49 years 87.1 0.692 <0.001 0.503 to 0.880
Parity
 Low parity (ref) 89.6
 Multiparity 66.8 −1.373 <0.001 −1.666 to −1.080
 Grand multiparity 82.4 −0.506 <0.001 −0.787 to −0.226
Child mortality experience
 Ever experienced (ref) 87.1
 Never experienced 72.7 −0.927 <0.001 −1.067 to −0.788
Age at first birth
 14 years or less (ref) 91.4
 15–19 years 84.5 −0.721 <0.001 −1.047 to −0.396
 20–24 years 73.6 −1.457 <0.001 −1.780 to −1.135
 25 years or older 72.7 −1.736 <0.001 −2.064 to −1.408
Fertility desire
 Wants no more children (ref) 71.9
 Want more children 90.4 1.029 <0.001 0.878 to 1.179
 Undecided 64.6 −0.173 0.630 −0.875 to 0.529
Ideal family size
 Small (ref) 60.8
 Large 84.5 1.213 <0.001 1.069 to 1.357
Maternal education
 None (ref) 95.5
 Primary 72.9 −1.785 <0.001 −2.004 to −1.566
 Secondary 58.9 −2.514 <0.001 −2.723 to −2.304
 Higher 56.8 −2.748 <0.001 −2.983 to −2.514
Household wealth index
 Poorest (ref) 97.3
 Poorer 91.9 −0.876 <0.001 −1.257 to −0.494
 Middle 82.4 −1.809 <0.001 −2.158 to −1.460
 Richer 70.7 −2.490 <0.001 −2.825 to −2.156
 Richest 56.7 −3.066 <0.001 −3.395 to −2.742
Place of residence
 Urban (ref) 67.0
 Rural 87.8 1.246 <0.001 1.110 to 1.381
Employment status
 Not working (ref) 92.6
 Working 76.6 −1.393 <0.001 −1.632 to −1.153
Media exposure
 None (ref) 93.5
 Low 81.8 −1.258 <0.001 −1.515 to −1.000
 Moderate 71.9 −1.786 <0.001 −2.005 to −1.568
Geographic region
 Northern region (ref) 91.9
 Southern region 60.3 −2.550 <0.001 −2.723 to −2.378
  1. p value greater than 0.05 indicate not significant
  2. ref reference category