Table 3.

Logistic regression analysis for factors associated with smartphone addiction

Variable	B	SE	Wald	P	OR	95% CI
Professional Identity Scale	-0.019	0.004	26.830	0.000	0.982	0.975–0.988
Poor mental health	0.517	0.115	20.142	0.000	1.677	1.338–2.102
Smartphone use before sleep	1.138	0.191	35.551	0.000	3.120	2.147–4.536
Perceived study pressure			29.985	0.000
Medium	0.235	0.169	1.925	0.165	1.265	0.908–1.762
High	0.696	0.172	16.287	0.000	2.005	1.430–2.811
Constant	-0.719	0.409	3.092	0.079	0.487