IZA Journal of Labor & Development

Table 4 Fraction of families who had a fourth child depending on parity and sex composition of previous children

From: The effect of children on female labor force participation in urban Iran

	Fraction of sample	Fraction that had a 4th child
(1) 3 sons	13.6%	0.560
		(0.007)
(2) other combinations	86.4%	0.573
		(0.003)
Difference: (1)-(2)		−0.013**
		(0.007)
(1) 3 daughters	12.7%	0.557
		(0.007)
(2) other mixes	87.3%	0.573
		(0.003)
Difference: (1)-(2)		−0.015**
		(0.008)
(1) same sex	25.8%	0.594
		(0.005)
(2) mixed sex	74.2%	0.563
		(0.003)
Difference: (1)-(2)		0.031***
		(0.006)
(1) 2 sons, 1 daughter	38.0%	0.548
		(0.004)
(2) other compositions	62.0%	0.585
		(0.003)
Difference: (1)-(2)		−0.036***
		(0.005)
(1) 1 son, 2 daughters	36.2%	0.578
		(0.004)
(2) other compositions	63.8%	0.567
		(0.003)
Difference: (1)-(2)		0.011**
		(0.005)

Note: Standard errors are reported in parentheses.
***significant at the 1% level, **significant at the 5% level.

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