Relationship between anxiety, depression, sleep quality and smartphone use among dental students
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Abstract
Objective: To evaluate the relationship between anxiety, depression, sleep quality and smartphone use in dental students at the Universidade of Ceará - Brazil. Methods: The target audience consisted of students over 18 years old, of both genders, who had smartphones and internet access. Questionnaires were applied to verify anxiety (Beck Anxiety Inventory), depression (Beck Depression Inventory), sleep quality (Pittsburgh Sleep Quality Index) and smartphone dependence (Smartphone Dependence Inventory). For statistical analysis, a 5% significance level was adopted (Student's T, Fisher's Exact, multivariate ANOVA, and independent t-test). The multivariate ANOVA test showed that there is an effect of smartphone dependence on the dependent variables analyzed simultaneously [Hotelling's Trace = 0.130; F 3.126 = 5.442; p = 0.001]. Results: There was relevance between smartphone dependence and levels of sleep quality (p=0.004), as well as influence of this variable on mean values of depression and sleep (p<0.005). Conclusion: Thus, there was an association between smartphone dependence and mean values of depression and sleep quality, and an association between smartphone dependence and levels of sleep quality among dental students.
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