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Table 3 Proportion using modern contraceptive 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) 14.1
 40–44 years 13.9 −0.068 0.444 −0.243 to 0.106
 45–49 years 8.6 0.121 0.290 −0.103 to 0.344
Parity
 Low parity (ref) 6.3
 Multiparity 20.1 −0.090 0.616 −0.444 to 0.263
 Grand multiparity 11.4 0.055 0.751 −0.284 to 0.394
Child mortality experience
 Ever experienced (ref) 8.2
 Never experienced 17.3 −0.031 0.717 −0.197 to 0.135
Age at first birth
 14 years or less (ref) 6.1
 15−19 years 10.3 −0.135 0.487 −0.514 to 0.245
 20−24 years 17.2 −0.280 0.144 −0.657 to 0.096
 25 years or older 15.1 −0.581 0.003 −0.966 to −0.196
Fertility desire
 Wants no more children (ref) 18.5
 Want more children 5.1 −0.416 <0.001 −0.604 to −0.227
 Undecided 27.4 0.257 0.514 −0.514 to 1.028
Ideal family size
 Small (ref) 24.6
 Large 9.9 0.014 0.869 −0.152 to 0.179
Maternal education
 None (ref) 2.7
 Primary 18.4 0.266 0.049 0.008 to 0.532
 Secondary 26.0 0.066 0.608 −0.188 to 0.321
 Higher 25.5 −0.008 0.955 −0.288 to 0.271
Household wealth index
 Poorest (ref) 1.4
 Poorer 5.3 0.298 0.220 −0.178 to 0.774
 Middle 11.9 0.254 0.254 −0.183 to 0.691
 Richer 18.2 0.182 0.396 −0.238 to 0.602
 Richest 27.6 0.164 0.431 −0.245 to 0.574
Place of residence
 Urban (ref) 20.9
 Rural 7.8 0.046 0.568 −0.113 to 0.206
Employment status
 Not working (ref) 4.9
 Working 14.8 −0.181 0.212 −0.466 to 0.103
Media exposure
 None (ref) 4.2
 Low 11.2 −0.117 0.459 −0.428 to 0.193
 Moderate 17.9 −0.053 0.695 −0.316 to 0.210
Geographic region
 Northern region (ref) 6.6
 Southern region 22.8 −1.100 <0.001 −1.293 to −0.907
  1. p value greater than 0.05 indicate not significant
  2. ref reference category