Skip to main content
. 2017 May 17;7(5):e013644. doi: 10.1136/bmjopen-2016-013644

Table 3.

Decomposition of inequalities in stillbirth history in Tehran 2014

Variable Mean Coefficient Elasticity Ck Absolute contribution Per cent contribution
Most deprived 0.199 0.083 −0.004 −0.800 0.003
Quintile 2 0.200 −0.25 −0.013 −0.399 −0.005
Quintile 3 0.200 −0.462 0.023 0.007 0.000
Quintile 4 0.201 −0.564 0.029 0.4 0.011
Sum 26.6
Mother’s age: 15–25 0.263 −0.9 0.06 −0.171 −0.01
Mother’s age: 26–35 0.617 −0.512 0.08 0.048 0.004
Sum −17.1
Father’s age: 15–25 0.652 0.116 −0.019 −0.264 0.005
Father’s age: 26–35 0.598 −0.099 0.015 −0.024 000
Sum 12.6
Mother’s nationality (non-Iranian) 0.07 −0.315 0.006 −0.675 −0.004 −10.1
Father’s nationality (non-Iranian) 0.07 −0.066 0.001 −0.662 −0.001 −2.1
Mother’s education (under diploma) 0.272 0.589 −0.04 −0.448 0.018
Mother’s education (diploma) 0.402 0.159 −0.016 −0.033 0.001
Sum 50.1
Father’s education (under diploma) 0.328 0.071 −0.006 −0.419 0.002
Father’s education (diploma) 0.354 0.058 −0.005 0.011 0.000
Sum 6.5
Father’s occupation (skilled) 0.431 −0.066 0.007 0.191 0.001
Father’s occupation (unskilled) 0.505 −0.018 0.002 −0.133 0.000
Sum 2.9
Mother’s occupation (housewife) 0.874 0.685 −0.153 −0.074 0.011 30.5
Natural logarithmic mean of stillbirth −3.966 0.037 100