ArticleNeuropsychopharmacology reports2022
COVID-19 vaccination did not improve employee mental health: A prospective study in an early phase of vaccination in Japan.
Article in Neuropsychopharmacology reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed, 11 citations in OpenAlex.
- Confidence in COVID-19 vaccines moderates the association between vaccination status and mental distress.Stress and health : journal of the International Society for the Investigation of Stress · 2023Article
- COVID-19 Vaccination Is Not Associated with Psychiatric Adverse Events: A Meta-Analysis.Vaccines · 2023Review
- Possible contribution of COVID-19 vaccination to the subsequent mental well-being in Japan.Scientific reports · 2022Article
- COVID-19 vaccination did not improve employee mental health: A prospective study in an early phase of vaccination in Japan.Neuropsychopharmacology reports · 2022Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesThis study aimed to examine the effectiveness of vaccination to improve mental health among employees in Japan based on a prospective study.
methodsThe data were retrieved from the Employee Cohort Study conducted during the COVID-19 pandemic in Japan (E- COCO-J) at T1 (4-10 February 2021) and T2 (22-29 June 2021). Psychological distress was measured by using an 18-item scale of the Brief Job Stress Questionnaire (BJSQ). The analytic sample was limited to individuals employed at both T1 and T2 without missing covariates. Vaccination status was measured at T2. Statistical analysis was conducted to test the differential change in the psychological distress at T1 and T2 with the time × group interactions by using repeated ANOVA, adjusting for the covariates (gender, age, marital status, education, chronic disease, company size, industry, and occupation).
resultsOf the total sample (N = 948), 105 (11.1%) were vaccinated at least once at T2. The crude mean scores of psychological distress at T1 and T2 were 41.8 and 42.0 for vaccinated participants and 41.2 and 41.2 for nonvaccinated participants, respectively, with no significant effect of having been vaccinated (Cohen's d = 0.02, P = 0.833). After adjusting the covariates, there was no significance (P = 0.446).
conclusionsThe COVID-19 vaccination was supposed to have a limited effect on mental health among Japanese employees in an early phase of vaccination. To keep providing mental health care for employees is important even after starting the vaccination program.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.