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. 2015 Sep 23;1:14. doi: 10.1186/s40738-015-0006-1

Table 4.

Socioeconomic and demographic fertility differentials for 1988/89 to 2011 based on DHS surveys

Variable DHS Year
1988/89 1995 2000/01 2006 2011
Age Coef. 95 % CI Coef. 95 % CI Coef. 95 % CI Coef. 95 % CI Coef. 95 % CI
15-19 0.07 0.05 0.08 0.05 0.04 0.06 0.04 0.03 0.05 0.05 0.04 0.05 0.04 0.03 0.04
20-24 0.09 0.07 0.11 0.06 0.05 0.07 0.05 0.04 0.06 0.06 0.05 0.07 0.05 0.04 0.07
25-29 0.09 0.07 0.11 0.06 0.05 0.07 0.04 0.03 0.05 0.05 0.04 0.06 0.04 0.04 0.05
30-34 0.07 0.05 0.09 0.04 0.04 0.05 0.04 0.03 0.04 0.04 0.03 0.05 0.04 0.03 0.04
35-39 0.06 0.05 0.08 0.03 0.03 0.04 0.03 0.02 0.03 0.03 0.02 0.04 0.03 0.02 0.03
40-44 0.02 0.02 0.03 0.02 0.01 0.02 0.01 0.01 0.01 0.02 0.01 0.02 0.01 0.01 0.01
45-49 0.01 0.01 0.01 0.01 0.00 0.01 0.01 0.00 0.01 0.00 0.00 0.01 0.00 0.00 0.01
Rate ratios
DHS year
Variable 1988/89 1995 2000/01 2006 2011
Education
NoneRc 1.0 1.0 1.0 1.0 1.0
Primary 0.97 1.07** 1.01 1.05 1.06
Secondary 0.93 .95 .78*** 0.96 1.04
Residence
UrbanRc 1.0 1.0 1.0 1.0 1.0
Rural 1.11* 1.23*** 1.3*** 1.12** 1.17**
Marital Status
SingleRc 1.0 1.0 1.0 1.0 1.0
Married 3.8*** 4.6*** 5.9*** 6.4*** 6.71***
Formerly 2.8*** 3.1*** 3.6*** 4.2*** 4.55***
Wealth Index
PoorestRc 1.0 1.0 1.0
Poorer 0.98 0.96 0.91**
Middle 1.10** 0.94 0.92*
Richer 1.08* 0.93 0.88***
Richest 1.05 0.75*** 0.71***
Contraceptive use
Not Using Rc 1.0 1.0 1.0 1.0 1.0
Using method 1.12 1.11** 1.06* 0.93* 1.00

* p < 0.1; ** p < 0.05; *** p < 0.01 , Rc Reference Category