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Table 4 Detailed decomposition of changes in fertility for the study period

From: Age at first marriage, age at first sex, family size preferences, contraception and change in fertility among women in Uganda: analysis of the 2006–2016 period

EC
VariableCoefP-value95% CI%CoefP-value95% CI%
Education
 No education1.00       
 Primary0.16< 0.0010.13–0.19−0.9−6.26< 0.001−9.37 -3.1636.9
 Secondary−3.91< 0.001−4.39 -3.4323.1−3.19< 0.001− 4.83 -1.5618.8
Residence
 Urban1.00       
 Rural−0.89< 0.001−1.09 -0.695.2−8.060.006− 13.75-2.3647.5
Contraceptive use
 No1.00       
 Yes1.40< 0.0011.22–1.57−8.20.190.712−0.80- 1.17−1.1
Age at first marriage
 Not married1.00       
 Below 15−4.35< 0.001−4.74 -3.9525.6−2.770.169−6.72 1.1816.3
 15–19− 7.49< 0.001−8.18-6.8044.2−10.680.144−24.99 -3.6363.0
 20+8.35< 0.0017.61 9.08−49.2−1.210.569−5.38-2.957.1
Family size preferences
 0–21.00       
 3–40.430.0020.16 0.70−2.5−3.590.174−8.76 1.5821.2
 5+−1.37< 0.001−1.60 -1.158.1−2.050.501−8.04 3.9312.1
 Non-numeric−0.47< 0.001−0.55 -0.392.80.380.196−0.02 0.97−2.3
Age at first sexual intercourse
 Below 151.00       
 15–19−1.13< 0.001−1.41 -0.866.7−3.140.053−6.33 0.4418.5
 20+2.92< 0.0012.61 3.24−17.2−7.37< 0.001−9.7 -5.0043.5
Constant    37.100.0215.61 68.59− 218.8
  1. Coef = coefficient × 1000, CI = Confidence Interval.