Table 6.

Heterogeneity in health impacts of internet use by gender.

Matching algorithm	Male				Female
	ATT	S.E.	T-statistics	Rosenbaum bounds	ATT	S.E.	T-statistics	Rosenbaum bounds
NN(1)	−0.691	0.255	−2.71***	1.72–1.73	−1.028	0.328	−3.13***	1.89–1.90
NN(5)	−0.684	0.212	−3.23***	2.09–2.10	−1.001	0.276	−3.63***	2.26–2.27
NN(10)	−0.755	0.210	−3.60***	2.21–2.22	−1.044	0.272	−3.84***	2.34–2.35
Radius	−0.730	0.211	−3.47***	2.22–2.23	−0.977	0.272	−3.60***	2.32–2.33
Kernel	−0.851	0.191	−4.46***	2.57–2.58	−1.012	0.249	−4.06***	2.55–2.56

Authors' own computation.

^*** indicates the significance level of 1%.