CalFitness Smartphone-Delivered Physical Activity Intervention

The overall goal of this study is to test personalized mobile phone-based physical activity interventions among staff members at the University of California, Berkeley. Most physical fitness applications for smartphones and activity trackers use a constant goal for the number of steps each day. However, if the step goals are dynamically adjusted according to past behavior, then the corresponding goals may encourage individuals to increase their physical activity level. This study consists of a randomized controlled trial in which we are assessing the efficacy of two different algorithms for calculating personalized goals for the number of steps each day.

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Key information

Conditions

Sedentary Lifestyle Behavior Motor Activity Physical Activity Sedentary Behavior

Age range

18 year–65 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

University of California, Berkeley

Berkeley, California, 94720, United States

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

intent to become physically active
own an iPhone
willing to keep the iPhone in pockets during the day
willing to install and use the intervention app every day for 4 months
ability to speak and read English.

Exclusion criteria

known medical conditions or physical problems that require special attention in an exercise program
planning an international trip during the next 4 months, which could interfere with daily server uploads of mobile phone data
pregnant/gave birth during the past 6 months
severe hearing or speech problem
history of an eating disorder
current substance abuse
current participation in lifestyle modification programs or research studies that may confound study results
history of bariatric surgery or plans for bariatric surgery in the next 12 months.

Treatment and study plan

Step Goal Delivery by Smartphone

Behavioral

Primary outcomes

Daily Steps Taken Per Day

Time frame: 10 weeks

Sponsors and collaborators

Lead sponsor

University of California, Berkeley

Other

Registry information

Official study title

Mobile Phone-Based Physical Activity Intervention on University Staff

Important dates

Study start: 2016
Primary completion: 2016
Study completion: 2016
First posted: Sep 1, 2016
Registry last updated: Oct 10, 2018

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed