Using Smartphones to Improve Physical Activity Levels of Individuals With Spinal Cord Injury

This 14-week web-based physical activity intervention (WI) program was developed by the National Center on Health, Physical Activity and Disability. The WI program was developed with guidance from literature and practice in health behavior change and internet-based health promotion programming. The content and features of the WI program include motivational resource, updated weekly resources, and customizable features.

Participants will be provided with reminders to use the WI program

Participants will be provided with standard, tailored, or no goal for the day. The goal will focus on recommending minutes of moderate-intensity (or higher) physical activity and a reminder to perform strength exercises.

Participants will be provided with minutes of moderate-intensity (or higher) physical activity achieved, minutes of physical activity remaining, or no message.

Participants will be inquired through an ecological momentary assessment (EMA) if they received a JITAI physical activity message.

Participants will be inquired, through an ecological momentary assessment (EMA), if they performed aerobic and/or strength exercises for the day.

Participants will be inquired, through an ecological momentary assessment (EMA), about the time they plan to wake up next day. This information will be used to provide a goal setting message for next day.

Participants will have access to minutes of moderate-intensity (or higher) physical activity performed over the last 7 days.

Participants will have access to minutes of moderate-intensity (or higher) physical activity performed over the day.