Accepted for/Published in: JMIR Formative Research
Date Submitted: Sep 29, 2021
Open Peer Review Period: Sep 28, 2021 - Nov 23, 2021
Date Accepted: Jan 19, 2022
Date Submitted to PubMed: Feb 8, 2022
(closed for review but you can still tweet)
Effect of the Imacoco Care psychoeducation website on improving psychological distress among workers under COVID-19 pandemic: a randomized controlled trial
ABSTRACT
Background:
The prolonged coronavirus disease 2019 (COVID-19) pandemic affected mental health among workers. Psychoeducational intervention via an Internet website could be effective for primary prevention of mental health among workers in the current COVID-19 pandemic.
Objective:
The aim of this randomized controlled trial (RCT) was to examine the effect of a newly developed online psychoeducational website named "Imacoco-care" on reducing psychological distress and fear about COVID-19 infection among workers.
Methods:
Participants in the present study were recruited from registered members of a web survey company in Japan. Participants who fulfilled the eligibility criteria were randomly allocated to intervention or control groups. Participants in the intervention group were invited to access the Imacoco-care within a month after the baseline survey. Kessler’s Psychological Distress Scale (K6) and The Fear of COVID-19 Scale (FCV-19S) were obtained at baseline, 1-, and 3-month follow-ups.
Results:
A total of 1200 workers were randomly allocated to an intervention or control group (n = 600 for each). In the intention-to-treat (ITT) analyses, the Imacoco-care showed significant favorable effect on K6 (p = 0.03) with small effect size (d = -0.14), and adverse effect on FCV-19S (p = 0.01) with small effect size (d = 0.16) in the intervention group at 3-month follow-up. In the per-protocol analyses (only included participants who have read the Imacoco-care at least one time), the Imacoco-care also showed significant favorable effect on reducing K6 (p = 0.03), while adverse effect on FCV-19S was not significant (p = 0.06) in the intervention group at 3-month follow-up.
Conclusions:
A web-based psychoeducation approach may be effective on improving psychological distress in a general working population, while it may be important not only distributing information but also encouraging to access and see the contents to prevent the adverse effect of psychoeducational intervention. Clinical Trial: The University Hospital Medical Information Network Clinical Trials Registry (UMIN-CTR). The registration number is UMIN000042556 (https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000048548).
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