A Walking Intervention Through Text Messaging
| Status: | Active, not recruiting |
|---|---|
| Conditions: | Obesity Weight Loss |
| Therapuetic Areas: | Endocrinology |
| Healthy: | No |
| Age Range: | 18 - 60 |
| Updated: | 7/13/2016 |
| Start Date: | February 2014 |
| End Date: | January 2018 |
Walking Intervention Through Texting Study: A Factorial Trial
The purpose of this study is to develop and evaluate adaptive goal setting and feedback
interventions (Adaptive Interventions) to promote physical activity behaviors and compare it
to static physical activity interventions (Static Interventions) using two levels of goal
setting (Adaptive Goals vs. Static Goals) and two levels of reinforcement procedures
(Praise/Rewards and No Praise/Rewards) in a 2 x 2 factorial randomized controlled trial. All
four groups will receive the intervention via a semi-automated text message system developed
by the investigators study team.
The primary aim of this study will be to:
1. Evaluate whether the adaptive interventions result in greater change in physical
activity (pedometer-measured steps/day) compared to the static Intervention groups.
HYPOTHESES: Participants in the adaptive interventions will increase their steps/day
more than participants in the Static Intervention groups. The Adaptive Goals and
Reinforcement Group will outperform the other 3 groups.
The secondary aims of this study will be to:
2. Evaluate the effectiveness of the adaptive and static goal interventions in improving
anthropometric, cardiovascular fitness, and cardiometabolic risk factors. HYPOTHESES:
Participants in the adaptive interventions will show greater improvements in fitness,
lean and fat body mass, and serum biomarkers than participants in the Static
Intervention groups. The Adaptive Goals and Reinforcement Group will outperform the
other 3 groups.
3. to assess participants' satisfaction with the overall program.
interventions (Adaptive Interventions) to promote physical activity behaviors and compare it
to static physical activity interventions (Static Interventions) using two levels of goal
setting (Adaptive Goals vs. Static Goals) and two levels of reinforcement procedures
(Praise/Rewards and No Praise/Rewards) in a 2 x 2 factorial randomized controlled trial. All
four groups will receive the intervention via a semi-automated text message system developed
by the investigators study team.
The primary aim of this study will be to:
1. Evaluate whether the adaptive interventions result in greater change in physical
activity (pedometer-measured steps/day) compared to the static Intervention groups.
HYPOTHESES: Participants in the adaptive interventions will increase their steps/day
more than participants in the Static Intervention groups. The Adaptive Goals and
Reinforcement Group will outperform the other 3 groups.
The secondary aims of this study will be to:
2. Evaluate the effectiveness of the adaptive and static goal interventions in improving
anthropometric, cardiovascular fitness, and cardiometabolic risk factors. HYPOTHESES:
Participants in the adaptive interventions will show greater improvements in fitness,
lean and fat body mass, and serum biomarkers than participants in the Static
Intervention groups. The Adaptive Goals and Reinforcement Group will outperform the
other 3 groups.
3. to assess participants' satisfaction with the overall program.
Inclusion Criteria:
- women and men of all races/ethnicities living in Maricopa County, Arizona.
Exclusion Criteria:
- be between 18 and 60 years old
- currently not exceeding physical activity recommendations determined by the
International Physical Activity Questionnaire (IPAQ short form).
- not have a medical condition based on the Physical Activity Readiness Questionnaire
for Everyone (PAR-Q+) that requires supervised physical activity
- not taking medication(s) that would prohibit a moderate intensity physical activity
program
- have a body mass index between 25 and 55 kg/m2
- not be currently pregnant or planning to become pregnant in the next 4 months
- not be planning to leave Maricopa County for 10 days or more in the next 4 months
- not planning to move from Maricopa County in the next 4 months
- not currently in another physical activity, diet, or weight loss program (e.g. weight
watchers)
- have access to Microsoft Windows (XP, Vista, 7, 8) or Mac (10.5+) operating systems
on computer with a USB port on a daily basis
- have daily access to email and the internet
- have a mobile phone with text messaging capabilities and be willing to send and
receive up to 3-5 text messages per day.
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