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A randomized controlled trial of a smartphone application for reducing smartphone usage time (Smart Use) for Japanese potential members of smartphone addiction

A randomized controlled trial of a smartphone application for reducing smartphone usage time (Smart Use) for Japanese potential members of smartphone addiction - A randomized controlled trial of a smartphone application for reducing smartphone usage time (Smart Use) for Japanese potential members of smartphone addiction

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000050526
Enrollment
70
Registered
2023-03-07
Start date
2021-12-27
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

potential members of smartphone addiction

Interventions

Use a smartphone application (Smart Use) Assessment only

Sponsors

University of Fukui
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Junior high and high school students who use smartphones on a daily basis, and their parents. - Those who use smartphones for at least one hour a day. - Parents give allowance to their children every month. - Those who have been using the current model for more than one month and do not plan to change the model within the next month. - Gives full informed consent to participate in the study

Exclusion criteria

Exclusion criteria: - Those who do routinely use a smartphone installed with android - Those who has been judged to be not suitable for the subject of this this study by the principal investigator

Design outcomes

Primary

MeasureTime frame
Smartphone usage time

Secondary

MeasureTime frame
Smartphone addiction scale short version in Japanese (SAS-SV-J)

Countries

Japan

Contacts

Public ContactTatsuhito Hasegawa

University of Fukui School of Engineering

t-hase@u-fukui.ac.jp+81-776-27-8929

Outcome results

None listed

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