Does internet use affect levels of depression among older adults in China? A propensity score matching approach

BMC Public Health

Table 5 Average treatment effect on the treated in three matching methods

Matching Method	Depression level		ATT	Bootstrap SE	z	p
Matching Method	Treated group	Control group	ATT	Bootstrap SE	z	p
Kernel Matching	11.811	12.570	−.759***	.179	−4.24	.000
Radius Matching	11.801	12.534	−.734***	.195	−3.76	.000
Nearest-neighbor Matching	11.796	12.359	−.562*	.240	−2.34	.019

(1) SE standard error, ATT average treatment effect on the treated; (2) * p < .05, ** p < .01, *** p < .001

ISSN: 1471-2458