Table 2

Logistic regression analysis results for stillbirth history* and its regressors in Tehran

Variables		Exp(B)	p Value	Adjusted OR	95% CI
Variables					Low	High
Mother’s age	15–25	0.44	0.001	0.221	0.09	0.545
	26–35	1.016	0.053	0.599	0.342	1.049
	>36 (reference)	2.295	–	–	–	–
Father’s age	15–25	0.97	0.355	1.64	0.574	4.701
	26–35	0.583	0.427	0.819	0.501	1.33
	>36 (reference)	1.755
Mother’s nationality	Iranian (reference)	0.959	–	–	–	–
	Non-Iranian	1.041	0.883	0.729	0.011	2.417
Father’s nationality	Iranian (reference)	0.958	–	–	–	–
	Non-Iranian	1.413	0.975	0.936	0.0143	2.99
Mother’s education	Under diploma	1.909	0.149	1.8	0.81	4.006
	Diploma	0.743	0.632	1.17	0.61	2.25
	Academic (reference)	0.069	–	–	–	–
Father’s education	Under diploma	1.537	0.880	1.07	0.424	2.71
	Diploma	0.862	0.894	1.05	0.451	2.48
	Academic (reference)	0.716	–	–	–	–
Father’s occupation	Professional (reference)	1.395	–	–	–	–
	Skilled	0.767	0.863	0.935	0.44	1.98
	Unskilled	1.273	0.954	0.982	0.539	1.79
Mother’s occupation	Housewife	1.812	0.113	2.004	0.848	4.73
	Employed (reference)	0.551	–	–	–	–
Economic status	Most deprived	2.338	0.03	1.08	0.509	2.31
	Quintile 2	0.459	0.021	0.358	0.149	0.858
	Quintile 3	0.798	0.224	0.629	0.299	1.32
	Quintile 4	0.621	0.130	0.569	0.274	1.18
	Least deprived (reference)	1.193	–	–	–	–

*It is worth noting that in the present paper we only measured and decomposed inequality in the ‘history of stillbirth’ and not in the ‘stillbirth in the last (current) pregnancy’. In fact, there was no inequality in the stillbirth in the current pregnancy (C=0.103, 95% CI −0.055 to 0.264).