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Table 6 Detailed decomposition of changes in fertility for the study period (education level and place of residence excluded from the model)

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

VariableCoefP-value95% CI%CoefP-value95% CI%
Contraceptive use
 No1.00   1.00   
 Yes0.230.180−0.10-0.56−1.30.760.1370.24–1.75−4.5
Age at first marriage
 Not married1.00   1.00   
 Below 15−1.020.196−2.55-0.526.0−2.790.150−6.60-1.0116.5
 15–19−1.740.195−4.38-0.8910.3−11.290.109−25.12-2.5366.6
 20+1.880.192−0.95-4.70−11.1− 1.550.467−5.73-2.639.2
Family size preferences
 0–21.00   1.00   
 3–40.130.2170.07–0.33−0.7−3.930.146−9.22-1.3723.2
 5+−0.370.196−0.94-0.192.2−1.320.672−7.41–4.777.8
 Non-numeric−0.130.1970.33–0.070.80.480.109−0.11-1.06−2.8
Age at first sexual intercourse
 Below 151.00   1.00   
 15–19−0.330.196− 0.82-0.171.9−4.970.003−8.21--1.7429.3
 20+0.820.1640.34–1.98−4.9−10.15< 0.001−12.49--7.8159.9
Constant   18.340.18−8.21–44.90− 108.2