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. 2023 Sep:144:107715.
doi: 10.1016/j.addbeh.2023.107715. Epub 2023 Apr 8.

Longitudinal association between problematic smartphone use and sleep disorder among Chinese college students during the COVID-19 pandemic

Jianghui Zhang  1 , Guojing Yuan  1 , Haiyun Guo  1 , Xueqing Zhang  1 , Kexin Zhang  1 , Xiaoyan Lu  1 , Huayu Yang  1 , Zhihui Zhu  1 , Guifang Jin  1 , Haiyan Shi  1 , Jun Du  1 , Jiahu Hao  2 , Ying Sun  2 , Puyu Su  2 , Linsheng Yang  1 , Zhihua Zhang  3
Affiliations

Longitudinal association between problematic smartphone use and sleep disorder among Chinese college students during the COVID-19 pandemic

Jianghui Zhang et al. Addict Behav. 2023 Sep.

Abstract

Background: Problematic smartphone use (PSU) and sleep disorders (SD) are common public health problems among college students. While previous cross-sectional studies have found a relationship between PSU and SD, the causal direction of this relationship remains unclear. This study aims to examine the longitudinal changes of PSU and SD during the COVID-19 pandemic, determine the causal relationship between them, and identify confounding factors that affect this association.

Methods: The study sample consisted of 1186 Chinese college students (47.7% male) with a mean age of 18.08 years. Participants completed the Smartphone Addiction Scale - Short Version (SAS-SV) and the Pittsburgh Sleep Quality Index (PSQI) at both baseline and follow-up surveys, conducted one year apart. The cross-lagged panel model (CLPM) was used to examine the causal relationship between PSU and SD, stratified by gender and duration of daily physical activity. The fixed effect panel regression was used to confirm the findings of CLPM.

Results: The results of the CLPM analysis showed a significant bidirectional relationship between PSU and SD for the overall sample, which was consistent with the fixed effects model findings. However, subgroup analyses revealed that the bidirectional association disappeared among males or those who engaged in daily physical activity for more than 1 h.

Conclusions: Our study shows a significant bidirectional association between PSU and SD, with variations across gender and daily physical activity levels. Encouraging physical activity may serve as a potential intervention to disrupt the bidirectional association between PSU and SD, which has important implications for public health strategies aimed at reducing the negative consequences of PSU and SD.

Keywords: College students; Cross-lagged panel model; Fixed effects model; Problematic smartphone use; Sleep disorder.

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Conflict of interest statement

Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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