A Study on the Relationship Between Electricity Usage Patterns Obtained from Smart Meters and the Onset Period of Depression

A Study on the Relationship Between Electricity Usage Patterns Obtained from Smart Meters and the Onset Period of Depression - A Study on the Relationship Between Electricity Usage Patterns Obtained from Smart Meters and the Onset Period of Depression

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000059545

Enrollment

100

Registered

2025-10-27

Start date

2025-10-27

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

Major Depressive Disorder

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Participants Individuals diagnosed with depression who are currently receiving treatment at Fujita Health University Hospital, RIC Mental Clinic Sangenjaya, or RIC Mental Clinic Azamino, living alone, and aged between 20 and 60 years. At the time of consent, individuals who have been the registered electricity contract holders for at least the past two years. At the time of consent, individuals who have been living alone for at least the past two years. At the time of consent, individuals who have not changed residence for at least the past two years. Inclusion Criteria Individuals who have received a full explanation of the study's purpose and methods, understood the content, and provided written informed consent to participate and to allow access to their electricity usage data. Individuals aged between 20 and 60 years at the time of consent. Individuals diagnosed with depression within the past three months. Individuals who, at the time of consent, have been living in a residence equipped with a smart meter for at least the past two years. Individuals without significant cognitive impairments that would interfere with participation in the study.

Exclusion criteria

Exclusion criteria: Individuals unable to provide informed consent by themselves. Individuals diagnosed with bipolar disorder or schizophrenia. Individuals living with others (e.g., family members), as unique electricity usage patterns cannot be ensured. Individuals who have moved residences or had their smart meter removed during the study period (past two years). Any other cases deemed inappropriate for participation by the principal investigator or co-investigators.

Design outcomes

Primary

Measure	Time frame
Electricity usage patterns before and after the onset of depression	—

Secondary

Measure	Time frame
Before and after the onset of depression: Estimated sleep duration based on electricity usage Estimated nighttime activity duration based on electricity usage Daytime electricity usage on holidays	—

Countries

Japan

Contacts

Public ContactMasami Miyata

Fujita Health University Chubu Electric Power Joint Research Division for Integrated Community Care System,Schoo of Medicine

miyatama@fujita-hu.ac.jp0562932350

Outcome results