Effects of internet-based cognitive behavioral therapy on workplace loneliness among workers

Effects of internet-based cognitive behavioral therapy on workplace loneliness among workers: A randomized controlled trial - Effects of internet-based cognitive behavioral therapy on workplace loneliness among workers: A randomized controlled trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000060407

Enrollment

1000

Registered

2026-01-30

Start date

2026-01-30

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

None listed

Interventions

The program is a self guided cognitive behavioral therapy CBT intervention delivered through video based materials hosted on a website which are also available in PDF format. The program consists of t

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Those who are more than 18 years old. 2) Individuals in full-time employment

Exclusion criteria

Exclusion criteria: N/A

Design outcomes

Primary

Measure	Time frame
Workplace loneliness (Scale for Loneliness at Work, 3 items) General loneliness (UCLA Loneliness Scale, 20 items)	—

Secondary

Measure	Time frame
Depressive symptoms Patient Health Questionnaire 9 PHQ 9 9 items Psychological distress Kessler Psychological Distress Scale K6 6 items Well being Mental Health Continuum Short Form MHC SF 14 items Work engagement Utrecht Work Engagement Scale UWES 9 items Job performance Health and Work Performance Questionnaire HPQ 2 items Supervisor support Brief Job Stress Questionnaire BJSQ 3 items Coworker support Brief Job Stress Questionnaire BJSQ 3 items Workplace social capital bonding Workplace Social Capital scale 6 items	—

Measure

Time frame

Depressive symptoms Patient Health Questionnaire 9 PHQ 9 9 items Psychological distress Kessler Psychological Distress Scale K6 6 items Well being Mental Health Continuum Short Form MHC SF 14 items Work engagement Utrecht Work Engagement Scale UWES 9 items Job performance Health and Work Performance Questionnaire HPQ 2 items Supervisor support Brief Job Stress Questionnaire BJSQ 3 items Coworker support Brief Job Stress Questionnaire BJSQ 3 items Workplace social capital bonding Workplace Social Capital scale 6 items

—

Countries

Japan

Contacts

Public ContactKotaro Imamura

Graduate School of Medicine, The University of Tokyo Department of Digital Mental Health

kouima@m.u-tokyo.ac.jp03-5800-9621

Outcome results