Text messages in nature: could a smartphone program get kids moving outside?
NCT ID NCT07674641
First seen Jun 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time
Summary
This study tests whether an 8-week program delivered through WeChat can help parents encourage their children (ages 6-12) to be more physically active in outdoor natural spaces. Families are randomly assigned to one of three groups: a program based on Self-Determination Theory plus identity support, a program based only on Self-Determination Theory, or an education-only control group. The goal is to see if these digital nudges increase parental support and, in turn, children's activity in nature.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- WeChat-based behavioral intervention
- What this could lead to
- If effective, this approach could offer a simple, scalable way to boost children's physical activity in natural settings, potentially improving their health and well-being.
- What could go wrong
- This is a small, early-stage trial with 90 families, so results may not apply broadly. The intervention relies on self-reported behavior, which can be biased, and long-term effects are unknown.
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
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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
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About 90 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2025
- Expected to finish
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Jul 2026
An estimate. End dates often move.
- Lead sponsor
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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
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6 to 12 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * Families with at least one child aged 6 to 12 years * Child has no contraindications for physical activity (as confirmed by parent report) * Family owns a smartphone and is proficient in using WeChat (self-rated proficiency ≥ 4 on a 5-point scale) * Family has engaged in natural environment physical activities ≤ 2 times per month in the past 3 months * Parent or legal guardian is willing to provide informed consent and participate in the 12-week intervention Exclusion Criteria: * Child has a medical condition or disability that prevents participation in physical activity * Family is currently participating in another physical activity intervention study * Family plans to move out of the study area within the next 6 months * Inability to read or understand Chinese (as intervention content is delivered in Chinese)
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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School of Physical Education and Sports Science, South China Normal University
Guangzhou, Guangdong, China
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