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Stanford pays people to walk – see what happened

NCT ID NCT03037658

Knowledge-focused Sponsor: Stanford University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This Stanford study tested whether offering money for extra steps encourages people to walk more. 450 adults wore pedometers for a baseline week, then earned 2 cents per extra step for a week, followed by a final week without incentives. The goal was to see how different age groups respond to rewards.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
financial incentive
What this could lead to
If successful, this could show how to design effective incentive programs to increase physical activity across age groups.
What could go wrong
This is a small, completed study focused on short-term behavior change. Results may not apply to long-term habits or broader populations.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

450 people

The number who actually took part.

Start date

Sep 2013

Finished

Mar 2017

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adults aged 18 and older are being targeted. We aim to recruit equal numbers of men and women, but this is not a specific target. There are no racial or ethnic targets. * Individuals who pass a phone screening that includes physical (PAR-Q) and cognitive (MMSE) measures are eligible for this study. These individuals must either answer "no" to all the questions on the Physical Activity Readiness Questionnaire (PAR-Q) or receive verbal permission from their doctor. Additionally, they must also show no signs of cognitive impairment as indicated by scores greater than or equal to 23 points on the 26-point Mini-Mental State Examination (MMSE). Exclusion Criteria: * We will not recruit minors (17 or younger) because this is a study of adult development. * Individuals who answered "yes" on any questions of the PAR-Q and/or received a score less than or equal to 22 on the MMSE.

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Conditions

The condition(s) this trial relates to.

Motor Activity

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Physical activity

Contacts and locations

Locations

  • Life-span Development Lab

    Stanford, California, 94305, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.