Text Messages and Physical Activity Among Teens

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

160 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-02-29

Study Completion Date

2013-12-31

Brief Summary

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The purpose of this study is to assess whether text messages can be used as a way to increase the amount of physical activity teens get each day.

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Detailed Description

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This research will develop an innovative intervention that promotes physical activity to 14-17 year olds (roughly high school aged youth). It is guided by Self Determination Theory and seeks to enhance adolescents' feelings of physical activity autonomy, competence, and relatedness, key psychological needs related to motivation to be physically active. The physical activity to be promoted is walking, which has broad appeal and can be performed as part of usual-day activities. Since youth are heavy users of cell phones and texting, the intervention will send theoretically-grounded text messages designed to enhance physical activity.

Conditions

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Physical Activity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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pedometers only

Participants randomized to this arm will receive pedometers only. They will participate in baseline and 3 months data collection.

Group Type EXPERIMENTAL

TXT Me

Intervention Type BEHAVIORAL

text messages, physical activity, self determination theory, extrinsic motivation, intrinsic motivation, pedometers, walking, prompts

pedometers + prompts

Participants randomized to this arm will receive pedometers plus a weekly prompt to set a step goal. They will participate in baseline and 3 months data collection.

Group Type EXPERIMENTAL

TXT Me

Intervention Type BEHAVIORAL

text messages, physical activity, self determination theory, extrinsic motivation, intrinsic motivation, pedometers, walking, prompts

pedometer + prompt + messages

Participants randomized to this arm will receive pedometers, weekly prompts, and 6 motivational text messages a week. They will participate in baseline and 3 months data collection.

Group Type EXPERIMENTAL

TXT Me

Intervention Type BEHAVIORAL

text messages, physical activity, self determination theory, extrinsic motivation, intrinsic motivation, pedometers, walking, prompts

Control

Participants randomized to this group will participate in data collection only; they will not receive an intervention.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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TXT Me

text messages, physical activity, self determination theory, extrinsic motivation, intrinsic motivation, pedometers, walking, prompts

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* 14-17 years old
* access to a computer with high speed internet access
* home email address
* cell phone that can send/receive text messages
* text message plan
* fluent in English

Exclusion Criteria

* mental or physical limitations that impair ability to fully participate in the program and/or complete baseline and post assessment data collection.

Minimum Eligible Age

14 Years

Maximum Eligible Age

17 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes