Development of a Japanese Version of the Light Exposure Behaviour Assessment (LEBA)

Validation Study for the Development of a Japanese Version of the Light Exposure Behaviour Assessment (LEBA)

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

JPRN

Registry ID

JPRN-jRCT1030240624

Enrollment

500

Registered

2025-01-20

Start date

2025-01-20

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

Healthy subjects

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Persons who are between 18 and 79 years of age at the time of obtaining consent.

Exclusion criteria

Exclusion criteria: none

Design outcomes

Primary

Measure	Time frame
Using the collected Japanese version of LEBA data, we will verify whether the factor structure is equivalent to that of the original version of LEBA and whether the data has equivalent discriminatory power; for the data re-collected after one month, we will evaluate reliability by checking reproducibility.	—

Contacts

Public ContactTaisuke Eto

National Center of Neurology and Psychiatry

eto@ncnp.go.jp+81-42-346-2071

Outcome results