Table 4 Detailed poisson decomposition of children ever born
From: Determinants of change in fertility pattern among women in Uganda during the period 2006–2011
Variable | Due to change in characteristics (E) | Due to change in coefficients (C) | ||||||
|---|---|---|---|---|---|---|---|---|
Coef | Std. Err | P-value | % | Coef | Std. Err | P-value | % | |
Age | ||||||||
15–19 | 1.000 | 1.000 | ||||||
20–24 | −0.961 | 0.075 | 0.000 | 25.4 | 0.038 | 1.339 | 0.977 | −1.0 |
25–29 | 1.719 | 0.107 | 0.000 | −45.4 | 0.249 | 1.999 | 0.901 | −6.6 |
30–34 | −2.309 | 0.138 | 0.000 | 61.1 | −0.063 | 0.996 | 0.950 | 1.7 |
35–39 | 1.090 | 0.063 | 0.000 | −28.8 | 0.190 | 1.444 | 0.895 | −5.0 |
40–44 | −0.249 | 0.014 | 0.000 | 6.6 | −0.021 | 0.616 | 0.973 | 0.5 |
45–49 | − 0.016 | 0.001 | 0.000 | 0.4 | 0.242 | 1.548 | 0.876 | −6.4 |
Education level | ||||||||
No education | 1.000 | 1.000 | ||||||
Primary | 0.003 | 0.008 | 0.683 | −0.1 | 1.030 | 6.220 | 0.868 | −27.2 |
Secondary+ | −0.646 | 0.143 | 0.000 | 17.1 | −0.211 | 1.301 | 0.871 | 5.6 |
Place of residence | ||||||||
Urban | 1.000 | 1.000 | ||||||
Rural | −0.283 | 0.053 | 0.000 | 7.5 | 1.376 | 8.141 | 0.866 | −36.4 |
Wealth index | ||||||||
Poorest | 1.000 | 1.000 | ||||||
Poorer | 0.033 | 0.016 | 0.037 | −0.9 | 0.066 | 0.549 | 0.904 | −1.8 |
Middle | 0.007 | 0.004 | 0.085 | −0.2 | − 0.185 | 1.191 | 0.877 | 4.9 |
Richer | −0.009 | 0.003 | 0.007 | 0.2 | 0.309 | 1.828 | 0.866 | −8.2 |
Richest | −0.236 | 0.038 | 0.000 | 6.2 | 0.892 | 5.174 | 0.863 | −23.6 |
Sex of household head | ||||||||
Male | 1.000 | 1.000 | ||||||
Female | −0.006 | 0.001 | 0.000 | 0.1 | 1.082 | 6.368 | 0.865 | −28.6 |
Current working status | ||||||||
Not working | 1.000 | 1.000 | ||||||
Working | −0.109 | 0.140 | 0.436 | 2.9 | −0.375 | 2.924 | 0.898 | 9.908 |
Polygamy | ||||||||
No co-wife | 1.000 | 1.000 | ||||||
Has co-wife | −0.005 | 0.031 | 0.868 | 0.1 | −0.597 | 3.531 | 0.866 | 15.8 |
Not sure | −0.069 | 0.013 | 0.000 | 1.8 | −1.108 | 6.560 | 0.866 | 29.3 |
Exposure to family planning messages | ||||||||
No | 1.000 | 1.000 | ||||||
Yes | −0.394 | 0.127 | 0.002 | 10.4 | −0.112 | 0.655 | 0.865 | 3.0 |
Source of modern family planning methods | ||||||||
Non user | 1.000 | 1.000 | ||||||
Government | −0.028 | 0.116 | 0.807 | 0.7 | 0.050 | 0.372 | 0.892 | −1.3 |
Private | −0.024 | 0.026 | 0.353 | 0.6 | −0.126 | 0.822 | 0.878 | 3.3 |
Contraceptive use | ||||||||
Not using | 1.000 | 1.000 | ||||||
Using | 0.301 | 0.105 | 0.004 | −8.0 | 0.560 | 3.388 | 0.869 | −14.8 |
Age at first sex | ||||||||
Below 15 | 1.000 | 1.000 | ||||||
15–19 | 0.391 | 0.119 | 0.001 | −10.3 | −0.394 | 2.518 | 0.876 | 10.4 |
20+ | −0.167 | 0.024 | 0.000 | 4.4 | 0.374 | 2.212 | 0.866 | −9.9 |
Don’t know | −0.587 | 0.178 | 0.001 | 15.5 | −0.305 | 1.778 | 0.864 | 8.1 |
Family size preference | ||||||||
0–2 Children | 1.000 | 1.000 | ||||||
3–4 Children | 0.251 | 0.096 | 0.009 | −6.6 | 0.915 | 5.640 | 0.871 | −24.2 |
5+ Children | −0.688 | 0.110 | 0.000 | 18.2 | 0.712 | 4.771 | 0.881 | −18.8 |
Age at first marriage | ||||||||
Never married | 1.000 | 1.000 | ||||||
Below 15 | −0.417 | 0.033 | 0.000 | 11.0 | −1.468 | 8.345 | 0.860 | 38.8 |
15–19 | −2.830 | 0.246 | 0.000 | 74.8 | −3.842 | 21.673 | 0.859 | 101.6 |
20+ | 2.105 | 0.217 | 0.000 | −55.7 | −1.604 | 9.118 | 0.860 | 42.4 |
Constant | 2.671 | 14.963 | 0.858 | −70.6 | ||||
Total | −4.133 | 0.432 | 0.000 | 109.3 | 0.351 | 1.179 | 0.766 | −9.3 |