		(1)	(2)
VARIABLES	LABELS	No son	At least one son
			
treated_1	Treatment follow-up 1	0.348***	0.082
		(0.129)	(0.108)
treated_2	Treatment follow-up 2	0.212	0.007
		(0.144)	(0.102)
Constant	Constant	-2.970***	0.439
		(1.040)	(0.961)
			
Observations		1,414	2,337
R-squared		0.425	0.352
Control group mean period1		2.473	5.031
Robust standard errors in parentheses			
*** p<0.01, ** p<0.05, * p<0.1			
