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App-technology to Improve the Level of Physical Activity After Bariatric Surgery

Not Applicable
Completed
Conditions
Obesity
Bariatric Surgery
Body Weight Changes
Eating Behavior
Body Fat Distribution
Exercise
Quality of Life
Registration Number
NCT03480464
Lead Sponsor
Karolinska Institutet
Brief Summary

The aim of this study is to investigate the effect of using new app-based technology to increase the level of physical activity, compared to conventional postoperative information given to patients undergoing bariatric surgery. The hypothesis is that the intervention, i.e. using the new technology, will have a greater positive effect on levels of physical activity and outcomes of weight loss than conventional postoperative information.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
158
Inclusion Criteria
  • Accepted to bariatric surgery due to national guidelines, BMI>35 kg/m2
  • 18 years of age or older
  • Informed consent
  • Ability to read and understand Swedish
  • Own and use a smartphone
Exclusion Criteria
  • Disability preventing daily walking

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
Change in Physical activity levelBefore surgery and 18 weeks, 6 months, 1 year, and 2 years after surgery.

counts/min from accelerometers

Secondary Outcome Measures
NameTimeMethod
Muscle massBefore surgery, 6 weeks(intervention start) and 18 weeks, 6 months and 1 year after surgery.

kg

Hand gripBefore surgery, 6 weeks(intervention start) and 18 weeks, 6 months and 1 year after surgery.

kg

Self registered physical activity in the app12 weeks, 6 to 18 weeks after surgery

minutes/day and minutes/week

Body weightBefore surgery, 6 weeks(intervention start) and 18 weeks, 6 months, 1 year, and 2 years after surgery.

kg

Percent Body FatBefore surgery, 6 weeks(intervention start) and 18 weeks, 6 months and 1 year after surgery.

Percent body fat of total body weight

Body Mass IndexBefore surgery, 6 weeks(intervention start) and 18 weeks, 6 months and 1 year after surgery.

BMI, kg/m2

Fat free massBefore surgery, 6 weeks(intervention start) and 18 weeks, 6 months and 1 year after surgery.

kg

Total body waterBefore surgery, 6 weeks(intervention start) and 18 weeks, 6 months and 1 year after surgery.

kg

Trial Locations

Locations (1)

Vrinnevi Hospital

🇸🇪

Norrköping, Sweden

Vrinnevi Hospital
🇸🇪Norrköping, Sweden

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