NCT02544867

Optimizing Sedentary Behavior Interventions to Affect Acute Physiological Changes

Optimizing Sedentary Behavior Interventions to Affect Acute Physiological

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 30 (actual)
• Sponsor: University of California, San Diego · Academic / Other
• Sex: All
• Age: 50 Years – 70 Years
• Healthy volunteers: Accepted

Summary

An emerging body of epidemiological evidence suggests that various forms of sedentary behavior, including TV viewing, occupational sitting, and total daily sitting, may be associated with all-cause and cardiovascular mortality, overweight and obesity, type 2 diabetes, depression and psychological well-being. Importantly, many of these associations were independent of participation in moderate to vigorous intensity physical activity. We propose a pilot study to assess the feasibility, acceptability and preliminary efficacy of two interventions targeting sedentary behavior. Since it is currently unknown what component of sedentary behavior exposure presents the greatest risk to health, we propose separate interventions to reduce overall sedentary time and to promote breaks in sedentary time.

Detailed description

Primary aim: To determine the acceptability and feasibility of selected personal, social and environmental strategies to reduce overall sitting time and increase the number of times participants stand up in a day. Secondary aim: To assess whether existing and new measurement approaches can detect specific changes in sedentary behavior. Exploratory aim: To establish whether specified intervention strategies were efficacious in reducing sedentary behavior and whether intervention effects were specific to the targeted sedentary behavior construct (e.g. decreased overall sitting time or increased number of breaks in sitting).

Conditions

• Sedentary Behavior

Interventions

Type	Name	Description
BEHAVIORAL	Sedentary behavior	Participants were randomized to either reduce their total sitting time or increase sit-to-stand transitions. Information was provided in person, through written materials and by emails and phone calls in both conditions. Both groups received written educational materials on the dangers of excessive sitting and reviewed a generic day to illustrate how many sitting opportunities individuals face each day. During each session, the health educator also discussed the benefits of sitting less or increasing sit-to-stand transitions (depending on study condition) and brainstormed potential barriers to implementing the new behavior as well as strategies to overcome these barriers.

Timeline

• Start date: 2013-09-01
• Primary completion: 2014-03-01
• Completion: 2014-03-01
• First posted: 2015-09-09
• Last updated: 2015-09-09

Locations

1 site across 1 country: United States