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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02958189
Other study ID # 32127
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date June 20, 2019
Est. completion date December 20, 2019

Study information

Verified date April 2020
Source Stanford University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to determine whether a Twitter-based intervention with a private, online support group can significantly increase number of walking steps compared to self-monitoring of physical activity alone or a control group in sedentary women at a women's heart clinic.


Description:

Sedentary behavior is a risk factor for heart disease, independent of meeting physical activity guidelines. Tweet4Wellness is an innovative light physical activity, specifically walking, intervention which randomly assigns participants to a 25-person private, online support group that will receive daily, theory-based messages as peer-to-peer discussion prompts. Many text-based interventions do not base the intervention text messages in behavior change theory, but this study will base the daily messages in the behavior change theories such as implementation intentions, social support, mindfulness, and social learning theory.

The trial will be conducted over a 6-month periods. For the first 3 months, there will be 2 groups: Group 1 will receive the Twitter intervention and a "Fitbit" triaxial pedometer to track their steps throughout the day; Group 2 will receive the Fitbit pedometer only.

For the second 3 months: Group 1 an Group 2 will track their physical activity with Fitbit only.


Recruitment information / eligibility

Status Completed
Enrollment 45
Est. completion date December 20, 2019
Est. primary completion date December 15, 2019
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Female
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Are a woman

- Are over 18 years of age

- Are English speaking

- Have or are willing to purchase a mobile phone with a camera

- Have or are willing to purchase an unlimited text plan

- Are willing to participate in daily tweets or texts for up to 3 months

- Have an active email account

- Have internet access on your mobile phone

- Use or are familiar with Facebook, Twitter, or other social media

- Text at least weekly

Exclusion Criteria:

- Have certain symptoms or conditions that would not be conducive to increasing your physical activity as determined by your physician

- Are planning on becoming pregnant in the next 8 months

- If our screening survey indicates that you are already adequately physically active

- Do not provide all required personal contact information

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Tweet4Wellness
A daily, behavior change theory-based intervention message is sent to a private, 25-person online Twitter-support group to prompt peer-to-peer discussion. Participants receive individual text messages to encourage group participation (e.g. 'thank you for participating' or 'please participate tomorrow'). Participants also receive weekly individual messages giving them daily step goals for the week based on their previous week's daily step average, recorded from Fitbit.
Self-monitoring
A Fitbit is provided to the group which tracks participants' daily steps.

Locations

Country Name City State
United States Stanford University School of Medicine Stanford California

Sponsors (1)

Lead Sponsor Collaborator
Stanford University

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change in steps (physical activity) Steps measured by triaxial accelerometer Baseline to 3 months and 6 months
Secondary Support Group Engagement during the intervention Measured by # of Tweets per day sent to the group 3 months
Secondary average length of prolonged sedentary periods per day average length of uninterrupted sedentary periods per day over a seven day period baseline to 3 months and 6 months
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