Effectiveness of Supervisor Training in Reducing Stigma Toward Mental Health Problems:Randomized Controlled Trial

Effectiveness of Supervisor Training in Reducing Stigma Toward Mental Health Problems:Randomized Controlled Trial - Effectiveness of Supervisor Training in Reducing Stigma Toward Mental Health Problems:Randomized Controlled Trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000059327

Enrollment

100

Registered

2025-10-08

Start date

2025-07-28

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

No applicable Adult

Interventions

This study aims to reduce stigma associated with mental health problems in the workplace. A 120-minute face-to-face training session will be implemented as the intervention. The target participants ar

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: managerial staff

Exclusion criteria

Exclusion criteria: None

Design outcomes

Primary

Measure	Time frame
Stigma toward mental health problems will be measured at three time points (baseline, post-intervention, and 2-month follow-up) using the Japanese version of the Link Stigma Scale (Shimotsu, 2006).	—

Secondary

Measure	Time frame
1. Knowledge regarding mental health problems 2. Attitudes toward mental health problems 3. Behavior toward individuals with mental health problems 4. Mental health literacy 5. Social distance 6. Psychological safety All measures will be assessed at three time points: - Before random allocation - Immediately after the intervention - Two months post-intervention	—

Countries

Japan

Contacts

Public ContactShinobu Watanabe

University of Tsukuba Master's Program in Counseling Science, , Graduate School of Comprehensive Human Sciences

s2440224@u.tsukuba.ac.jp+81-3-3942-6852

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026