The purpose of this study is to carry out a field trial to evaluate the effectiveness and added value of the b-SLIM digital Super Coach in a convenient sample of overweight and obese adults.
The purpose of this study is to carry out a field trial to evaluate the effectiveness of the b-SLIM digital Super Coach in a convenient sample of overweight and obese adults. The effectiveness will be evaluated at the individual level by means of a randomized trial. By combining or not combining the use of the b-SLIM digital Super Coach with a conventional physical activity and nutrition coaching, the effectiveness of the Super Coach of the (user-driven) 'Super Coach' compared to a conventional face to face weight loss program can be determined. Outcomes will be measured at the level of health behavior (i.e., physical activity and nutrition), body composition, physical fitness, psychosocial factors (e.g., motivation) and program adherence. The field trial will take place in Leuven (Belgium). This study can be seen as a pilot trial. The central hypothesis of this field trial is that using the multi-source b-SLIM digital Super Coach will support and assist overweight and obese adults to change their health behavior (i.e., physical activity and nutrition) and to lose body weight by improving their self-control, self-determined motivation and attitude towards regular physical activity and healthy diet. The investigators will check if the Super Coach can be a valuable alternative for a conventional physical activity and nutrition coaching.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
SINGLE
Enrollment
120
Receive Digital Super Coach during 12 weeks
Receive 7 face-to-face contacts (dietary and physical activity advice)
Receive 3 face-to-face contacts (dietary and physical activity advice)
University Hospital Leuven
Leuven, Vlaams Brabant, Belgium
Weight Loss (Omron Weight Balance)
Weight loss measured pre \& post intervenion
Time frame: 12 weeks
Physical Activity - self evaluated
Physical activity measured by International Physical Activity Questionnaire
Time frame: 12 weeks
Physical Activity - objective measurement
Physical activity measured by ActiGraph
Time frame: 12 weeks
Food Litteracy
Food Litteracy measured by questionnaire
Time frame: 12 weeks
Dietary Pattern
Dietary pattern measured by the use of a Food Frequency Questionnaire
Time frame: 12 weeks
Body Composition - BIA
Using Bio-impediance Assessment to determine the fat and fatfree mass
Time frame: 12 weeks
Body Composition - 3D Scan
A 3D-scan will be used to evaluate phenotypic changes
Time frame: 12 weeks
Body Composition - Waist
Waist circumference measurement
Time frame: 12 weeks
Physical fitness
Use of the 6 minute walking test to evaluate the level of fitness of the participants
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Receive Digital Super Coach during 12 weeks, after 12 weeks of no treatment
Time frame: 12 weeks
Motivation
Motivation to change lifestyle by use of a questionnaire
Time frame: 12 weeks
Social Support
social support will be measured by a questionnaire
Time frame: 12 weeks
Demographic factors
demographic factors will be measured by a questionnaire
Time frame: 12 weeks
Program adherence (24h food recall, compliance food pictures)
Adherence to the prescribed physical activity plan and dietary pattern
Time frame: 12 weeks
Shopping behavior
Shopping behavior (and potential changes) will be measured by use of the grocery fidelty card
Time frame: 12 weeks