Table 2.

Linear regression of the impact of internet use on mental health (n=6648)^a.

Variable	Model 1, βb (SE)	Model 2, β (SE)	Model 3, β (SE)
Internet use	0.1952c (0.009)	0.118c (0.011)	0.075c (0.011)
Sex	N/Ad	−0.011 (0.008)	−0.006 (0.008)
Age	N/A	−0.002c (0.006)	−0.003c (0.001)
Marital status	N/A	0.062c (0.009)	0.061c (0.009)
Hukou (household registration)	N/A	−0.022e (0.009)	−0.048c (0.010)
Education	N/A	0.029c (0.004)	0.025c (0.005)
Social insurance	N/A	−0.003 (0.010)	−0.009 (0.010)
Work status	N/A	−0.026e (0.010)	−0.003 (0.010)
Home ownership	N/A	0.058c (0.012)	0.045c (0.012)
Self-rated health	N/A	0.080c (0.005)	0.077c (0.005)
Residing in eastern region	N/A	N/A	0.165c (0.011)
Residing in central region	N/A	N/A	0.037c (0.010)

^aR² for model 1: 0.0558; model 2: 0.0886; model 3: 0.1553.

^bβ is a regression coefficient.

^cP<.001.

^dN/A: not applicable.

^eP<.01.