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. 2022 Nov 2;12(11):e059860.
doi: 10.1136/bmjopen-2021-059860.

Risk factors for workplace bullying, severe psychological distress and suicidal ideation during the COVID-19 pandemic among the general working population in Japan: a large-scale cross-sectional study

Kanami Tsuno  1 , Takahiro Tabuchi  2
Affiliations

Risk factors for workplace bullying, severe psychological distress and suicidal ideation during the COVID-19 pandemic among the general working population in Japan: a large-scale cross-sectional study

Kanami Tsuno et al. BMJ Open. .

Abstract

Objectives: To investigate the risk factors for workplace bullying and mental health outcomes among workers during the COVID-19 pandemic.

Design: A cross-sectional study.

Setting: A nationwide online survey was conducted from August to September 2020 in Japan.

Participants: 16 384 workers (men: n=9565; women: n=6789).

Main outcome variables: Workplace bullying was measured by one item from the Brief Job Stress Questionnaire; severe psychological distress according to the Kessler Psychological Distress Scale (≥13) and suicidal ideation by one item. Prevalence ratios were calculated by modified Poisson regression analyses adjusting for potential confounders such as gender, age, occupational characteristics and a prior history of depression.

Results: Overall, 15% of workers experienced workplace bullying, 9% had severe psychological distress and 12% had suicidal ideation during the second and third wave of the COVID-19 pandemic in Japan. The results of this study showed men, executives, managers and permanent employees had a higher risk of bullying than women or part-time workers. Increased physical and psychological demands were common risk factors for bullying, severe psychological distress and suicidal ideation. Starting to work from home was a significant predictor for adverse mental health outcomes but a preventive factor against workplace bullying.

Conclusions: The results of this study showed different high-risk groups for bullying or mental health during the pandemic. Any intervention to decrease workplace bullying or mental health problems should focus not only on previously reported vulnerable workers but also workers who have experienced a change in work style or job demands.

Keywords: COVID-19; Epidemiology; MENTAL HEALTH; OCCUPATIONAL & INDUSTRIAL MEDICINE.

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Conflict of interest statement

Competing interests: None declared.

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