Korean Clinical Psychology Association

Current Issue

Korean Journal of Clinical Psychology - Vol. 40, No. 3

[ Original Article ]
Korean Journal of Clinical Psychology - Vol. 40, No. 3, pp.235-244
Abbreviation: KJCP
ISSN: 1229-0335 (Print) 2733-4538 (Online)
Print publication date 30 Aug 2021
Received 11 Mar 2021 Revised 24 May 2021 Accepted 04 Jun 2021
DOI: https://doi.org/10.15842/kjcp.2021.40.3.005

The Relationship between Sleep Quality and Depressive Mood in University Students Experiencing Financial Difficulties: An Ecological Momentary Assessment Study
Eun Jung Yang ; Eun-Jung Shim
Department of Psychology, Pusan National University, Busan, Korea

Correspondence to : Eun-Jung Shim, Department of Psychology, Pusan National University, Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan, Korea; E-mail: angelasej@pusan.ac.kr
This article is based on the master’s thesis of the first author from Pusan National University.


© 2021 Korean Clinical Psychology Association
Funding Information ▼

Abstract

This study aimed to examine the mediating effects of fatigue, stress, and affect on the relationship between sleep quality and depressive mood in university students experiencing financial difficulties. Participants (35) were university students in a metropolitan area of South Korea, recruited from September 2019 to December 2019 and from February 2020 to June 2020. They completed a pre-ecological momentary assessment online survey assessing sleep quality, fatigue, stress, and quality of life. Subsequently, participants participated in a 14-day ecological momentary assessment of daily depressive mood, sleep quality, fatigue, stress, and positive and negative affect. A multilevel mediation analysis indicated that fatigue completely mediated the relationship between sleep quality and depressive mood at the within- and between-subject levels, whereas stress and positive affect completely mediated the relationship only at the within-subject level. Negative affect did not mediate the relationship between sleep quality and depressive mood either at the within- or between-subject level. These findings suggest that interventions targeting mediators such as fatigue, stress and affect may alleviate the impact of poor sleep quality on depressive mood among university students experiencing financial difficulties.


Keywords: depression, ecological momentary assessment, financial difficulties, sleep quality, university students

Acknowledgments

This research was supported by the Ministry of Education of the Republic of Korea and the National Research Foundation of Korea (NRF-2018S1A5A2A01037181).

Author contributions statement

Eun-Jung Shim, professor at Pusan National University, and Eun Jung Yang, graduate student at Pusan National University, conducted the study and drafted the manuscript. Eun Jung Yang performed statistical analyses. All authors approved the final script.


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