A single-arm study to examine the effect of increased physical activity using a pedometer app with financial incentives.

A single-arm study to examine the effect of increased physical activity using a pedometer app with financial incentives. - A single-arm study to examine the effect of increased physical activity using a pedometer app with financial incentives.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000050518

Enrollment

Registered

2023-03-27

Start date

2023-04-07

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 volunteers with no exercise habits.

Interventions

Use of a smartphone app that measures moderate physical activity and provides financial incentives based on exercise time

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.able to walk independently without the use of a walking aid 2.have a BMI of at least 18 to 30.0 kg/m2, inclusive 3.able to communicate, read and write in Japanese 4.owns an iPhone and carries it on a daily basis 5.do not own a smartwatch, or if they do, are willing to consent to unpair their smartwatch from their iPhone during the study 6.can agree to provide step count and walking distance data up to 3 weeks prior to the day consent was obtained 7.can provide written consent to participate in the study of his/her own free will

Exclusion criteria

Exclusion criteria: 1.already exercising at least 3 days a week 2.prohibited from exercising by a physician for any reason 3.systolic blood pressure 160 mmHg or higher or diastolic blood pressure 110 mmHg or higher at the time of inclusion 4.pregnant or lactating woman 5.judged by the investigator to be ineligible for participation in the study

Design outcomes

Primary

Measure	Time frame
Difference between the first(app without financial incentives) and second(app with financial incentives) period in the number of successful attempts of challenge in a week	—

Secondary

Measure	Time frame
Difference between the first and second period of daily steps Difference between the first and second period of daily walking distance Difference between Period 1 and Period 2 in the proportion of participants with an average of 10 or more successful challenges in a week. Difference between baseline and the first period of daily steps Difference between baseline and the second period of daily steps Difference between baseline and the first period of daily walking distance Difference between baseline and the second period of daily walking distance Difference between the first and second period of daily "heart points" measured by Google Fit	—

Measure

Time frame

Difference between the first and second period of daily steps Difference between the first and second period of daily walking distance Difference between Period 1 and Period 2 in the proportion of participants with an average of 10 or more successful challenges in a week. Difference between baseline and the first period of daily steps Difference between baseline and the second period of daily steps Difference between baseline and the first period of daily walking distance Difference between baseline and the second period of daily walking distance Difference between the first and second period of daily "heart points" measured by Google Fit

—

Countries

Japan

Contacts

Public ContactKosuke Hayashi

Oita University Faculty of Medicine Department of Clinical Pharmacology and Therapeutics

khayashi@oita-u.ac.jp0975865952

Outcome results

None listed

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