Table 3.

Significant factors associated with higher smart phone addiction and depression scores

Variables	Smart phone addiction	Beck depression
	β (t)	β (t)
	Adj P-value	Adj P-value
Gender
Femalea	0.675 (0.461)	−0.355(−0.536)
Maleb	Adj P = 0.645	Adj P = 0.592
Age	−0.203 (−2.892)	−0.050(−1.582)
(Years)	Adj P = 0.004*	Adj P = 0.114
Educational level
Schoola	−1.878 (− 1.077)	− 2.034(− 2.579)
Universityb	Adj P = 0.282	Adj P = 0.010*
Income
< $1300a	2.285 (1.398)	−0.781(−1.058)
≥ $1300b	Adj P = 0.162	Adj P = 0.291
Smart Phone Addiction		0.194 (13.119)
(%mean score)	–	Adj P < 0.001*
Constant	56.729 (22.33)	7.703 (5.414)
	Adj P < 0.001*	Adj P < 0.001*

t = Student’s t-test; ^a: reference group,^b: compared group

Abbreviations: β coefficient of determination, Adj adjusted

*Statistically significant at P < 0.05