Smartphone addiction and depression, anxiety: The role of bedtime procrastination and self-control

•Smartphone addiction predicted depression and anxiety among university students;•Bedtime procrastination mediated the relationships between smartphone addiction and depression, smartphone addiction and anxiety;•Self-control moderated the direct paths of the two mediation models;•Compared with those...

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Bibliographic Details
Published in:Journal of affective disorders 2021-10, Vol.293, p.415-421
Main Authors: Geng, Yaoguo, Gu, Jingjing, Wang, Jing, Zhang, Ruiping
Format: Article
Language:English
Subjects:
Anxiety
Bedtime procrastination
Depression
Self-control
Smartphone addiction
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Summary:•Smartphone addiction predicted depression and anxiety among university students;•Bedtime procrastination mediated the relationships between smartphone addiction and depression, smartphone addiction and anxiety;•Self-control moderated the direct paths of the two mediation models;•Compared with those who scored lower on self-control, university students who scored higher on self-control would suffer from less depression, anxiety even when they were at the risk of smartphone addiction; Owing to the widespread use of smartphones, researchers have an increasing interest in smartphone addiction. The purpose of this study is to look into the outcomes of smartphone addiction while answering when and how smartphone addiction may predict university students’ depression and anxiety. Primary data were collected from 355 students studying in different universities in China. Participants completed Smartphone Addiction Scale-Short Version (SAS-SV), Bedtime Procrastination Scale (BPS), Self-control Scale (SCS) and Depression-Anxiety-Stress Scale (DASS). PROCESS macros in SPSS24.0 were used to examine the moderated mediating effects. Smartphone addiction Scale scores were positively correlated with depression, anxiety among university students through bedtime procrastination. Self-control was found to play the moderating role such that the mediated relationships were weak for students with high self-control. This study is a cross sectional study, so we cannot make causal inferences. Individuals with smartphone addiction are inclined to postpone their bedtime and further experience more depression and anxiety. Self-control serves as a protective factor for bedtime procrastination, depression and anxiety.
ISSN:0165-0327
1573-2517
DOI:10.1016/j.jad.2021.06.062