A study on the impact of Internet use on depression among Chinese older people under the perspective of social participation

Table 4 Balance test

Variable	Mean		%bias	T-test		V(T)/V(C)
Variable	Treated	Control	%bias	t	P> \| t \|	V(T)/V(C)
Gender	0.312	0.312	0.00	0.00	1.000	.
Age	66.095	66.422	−5.60	−0.75	0.453	0.88
Education level	2.379	2.388	−1.00	−0.11	0.916	0.78^*
Marital status	0.838	0.872	−8.60	−1.22	0.223	.
Smoking status	0.122	0.104	6.30	0.74	0.460
Drinking status	0.358	0.321	8.30	0.99	0.322
Residence	0.786	0.807	−5.00	−0.68	0.497
Religious belief	0.107	0.104	0.90	0.13	0.899
Political status	0.284	0.300	−4.10	−0.43	0.668
Air quality status	2.899	2.884	1.90	0.25	0.801	0.98
Medical insurance	0.994	0.994	0.00	0.00	1.000	.

ISSN: 1471-2318