From: The effect of children on female labor force participation in urban Iran
 | Fraction of sample | Fraction that had a third child |
---|---|---|
(1) firstborn son | 51.0% | 0.603 (0.003) |
(2) firstborn daughter | 49.0% | 0.627 (0.003) |
Difference: (1)-(2) |  | −0.024*** (0.004) |
(1) second-born son | 51.1% | 0.607 (0.003) |
(2) second-born daughter | 48.9% | 0.624 (0.003) |
Difference: (1)-(2) | Â | -0.017*** (0.004) |
(1) two sons | 26.2% | 0.607 (0.004) |
(2) not (two sons) | 73.8% | 0.618 (0.002) |
Difference: (1)-(2) | Â | -0.012*** (0.005) |
(1) two daughters | 24.0% | 0.649 (0.004) |
(2) not (two daughters) | 76.0% | 0.604 (0.002) |
Difference: (1)-(2) | Â | 0.045*** (0.005) |
(1) mixed sex | 50.2% | 0.627 (0.003) |
(2) same sex | 49.8% | 0.603 (0.003) |
Difference: (1)-(2) | Â | 0.024*** (0.004) |