Job demands and temporomandibular disorders: mediating and moderating effects of psychological distress and recovery experiences

Author:

Mori Naana12,Miyanaka Daisuke34,Tokita Masahito3,Kawada Michiko5,Sakakibara Keiko6,Hamsyah Fuad57,Yuheng Lin5,Shimazu Akihito3

Affiliation:

1. Keio Research Institute at SFC , Kanagawa 252-0882, Japan

2. University of Yamanashi Department of Advanced Biomedical Research, Interdisciplinary Graduate School of Medicine, , Yamanashi 409-3898, Japan

3. Keio University Faculty of Policy Management, , Kanagawa 252-0882, Japan

4. Better Options, Inc , Tokyo 170-0005, Japan

5. Keio University Graduate School of Media and Governance, , Kanagawa 252-0882, Japan

6. Toyo University Department of Social Psychology, Faculty of Sociology, , Tokyo 112-8606, Japan

7. Universitas Gadjah Mada Faculty of Psychology, , Yogyakarta 55281, Indonesia

Abstract

Abstract Objectives: This study examined the relationship between recovery experience, job demands, psychological distress, and temporomandibular disorders (TMD) in Japanese workers. Methods: It used cross-sectional data from the fourth survey of a multi-wave longitudinal project, conducted using the registered monitors of an internet research company. Finally, 1278 respondents’ data were analyzed (655 males, 623 females; mean [SD] age = 41.63 [10.31] years). We utilized Sugiaski’s TMD screening question to assess TMD prevalence, Brief Job Stress Questionnaire to assess job demands, Kessler Psychological Distress Scale (K6) to assess psychological distress, and the Japanese version of the Recovery Experience Questionnaire to assess recovery experiences. The moderated mediation analysis was conducted using the Process macro program for SPSS developed by Preacher and Hayes, examining the effect of job demands on TMD through psychological distress, moderated by the recovery experience. Results: The results showed that 13.1% (n = 168) of the respondents had TMD. Mediation analysis indicated high job demands were associated with an increased TMD prevalence through psychological distress. The moderated mediation analysis revealed that relaxation and control moderated the relationship between job demands and psychological distress. Conclusions: This cross-sectional study established the relationship between job demands, psychological distress, and TMD among Japanese workers. The findings suggest that increased job demands contribute to high TMD prevalence through the mediation of psychological distress, moderated by relaxation and control.

Publisher

Oxford University Press (OUP)

Subject

Public Health, Environmental and Occupational Health

Reference37 articles.

1. Temporomandibular disorders;Durham;BMJ.,2015

2. Association between stress at work and temporomandibular disorders: a systematic review;Aranha;Biomed Res Int.,2021

3. Symptoms, signs, and clinical diagnoses according to the research diagnostic criteria for temporomandibular disorders among Finnish multiprofessional media personnel;Rantala;J Orofac Pain.,2003

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