The impact of active social media use on the mental health of older adults

BMC Psychology

Table 4 PSM results (ATT)

Dependent variable: negative emotion
Matching method	Treated group	Control group	ATT	SE	t value	Number of samples in the treated group(N)		Number of samples in the control group(N)
Nearest matching	12.963	13.726	-0.763***	0.291	-2.62	755		11,470
Radius matching	12.991	13.6121	-0.062***	0.219	-2.84	747		11,470
Kernel matching	12.963	13.715	-0.075***	0.215	-3.49	756		11,470
Dependent variable: positive emotion
Nearest matching	6.155	5.667	0.488***	0.112	4.32	755	11,470
Radius matching	6.143	5.720	0.423***	0.083	5.08	747	11,470
Kernel matching	6.153	5.705	0.448***	0.082	5.47	756	11,470
Dependent variable: self-rated health
Nearest matching	3.080	3.021	0.059*	0.052	1.74	771	13,401
Radius matching	3.077	3.003	0.074*	0.039	1.87	763	13,401
Kernel matching	3.080	2.982	0.098**	0.039	2.52	772	13,401
Dependent variable: health satisfaction
Nearest matching	3.136	3.142	0.006**	0.041	2.14	755	11,470
Radius matching	3.134	3.123	0.011*	0.033	1.72	747	11,470
Kernel matching	3.136	3.11	0.023*	0.032	1.77	756	11,470

Note: ATT refers to the difference in the mean mental health between the treated group and the control group; SE is the standard error; *, **, and *** indicate statistical significance at the 10%, 5%, and 1% levels, respectively

ISSN: 2050-7283