We examined depression, impulse control disorder, and life style by degree of smartphone addiction. Chi-square tests and ANOVA were used to identify significant variables. CART was used to generate a decision making diagram of variables affecting smartphone addiction. The severe smartphone addiction group had rates of depression and impulse control disorder than the initial smartphone group. Smartphones are convenient, many people are using them resulting in tolerance, addiction or difficulties in daily life, depression, learning disability, and impulse control disorders. Smartphone addiction is a serious problem [1,2], especially in the field of information technology [3]. We aimed to predict factors affecting smartphone addiction.
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