Obesity, Overweight
Conditions
Keywords
obesity, overweight, telemedicine, ehealth
Brief summary
Clinical trial to test the efficacy of an online platform based on behavior change principles in promoting weight loss among overweight and obese students and employees of the Federal University of Minas Gerais. The hypothesis is that participants of the group which use the platform with or without a dietitian coaching will lose more weight than those allocated to the group who receives dietary and physical activity orientations by educational videos only.
Interventions
BEHAVIORALOnline platform group
The online platform has social network, gamification and short-text sessions.
BEHAVIORALOnline dietitian coaching
Dietitian coaching refers to individual online sessions between a dietitian and participants to strengthen dietary recommendations
BEHAVIORALControl group
Minimal intervention with four videos with diet, physical activity and behavior change recommendations
Sponsors
Ministry of Science and Technology, Brazil
Federal University of Minas Gerais
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
SINGLE (Outcomes Assessor)
Intervention model description
3 arms: Experimental group 1 receives diet, physical change and behavior change recommendations via an online platform for 24 weeks; Experimental Group 2 receives recommendations via an online platform plus a dietitian coaching via the online platform for 24 weeks; Control groups receives a minimal intervention with access to diet and physical change recommendations videos. After 24 weeks, the control group will gain access to the online platform.
Eligibility
Sex/Gender
ALL
Age
18 Years to 60 Years
Healthy volunteers
No
Inclusion criteria
* Body mass index \>=25 kg/m2 * intention to lose weight by healthy lifestyle habits * internet access
Exclusion criteria
* pregnancy * diabetes * heart failure * coronary artery disease * kidney disease * hepatic disease * cancer * phenylketonuria * celiac disease * food allergies * bariatric surgery history * participation in any other weight loss program
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| mean weight difference | 24 weeks | self-reported mean weight difference of 4kg between experimental and control groups |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Mean body mass index difference | 24 weeks | Body mass index difference between experimental and control groups |
| Daily fruit and vegetables consumption difference | 24 weeks | Number of daily portions of fruit and vegetables intake difference between experimental and control groups |
| Sugar-added liquids consumption difference | 24 weeks | Mean difference in weekly consumption of sugar-added liquids in mL between experimental and control groups |
| Physical activity classification change | 24 weeks | Change physical activity level as measured by the International Physical Activity Questionnaire IPAQ |
Other
| Measure | Time frame | Description |
|---|---|---|
| Quality of life change | 24 weeks | Quality of life as measured by SF-36 change between control and intervention groups |
Countries
Brazil
Outcome results
None listed