Variables | Exp(B) | p Value | Adjusted OR | 95% CI | ||
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).