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Table 3 Logistic regression analysis for factors associated with smartphone addiction

From: Smartphone addiction and its associated factors among freshmen medical students in China: a cross-sectional study

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