N/A
N=135
Does Motivational Interviewing Improve Behavioral Weight Loss Outcomes for Obesity?
Obesity · Overweight
Bottom Line
View on ClinicalTrials.gov: NCT02649634 ↗Enrolled (actual)
135
Serious AEs
—
Results posted
Mar 2017
Primary outcome: Primary: Weight at End of Behavioural Weight Loss Program, 12 Weeks — 89.02; 90.09 kilograms — p=>.05
Study Design & Population
- Study type
- Interventional
- Phase
- N/A
- Interventions
- Motivational Interviewing (Behavioral); Attention Control (Behavioral)
- Age
- Adult, Older Adult · 18+ yrs
- Sex
- All
- Sponsor
- University of Calgary
- Primary completion
- Jan 2010
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Weight at End of Behavioural Weight Loss Program, 12 Weeks |
89.02; 90.09 | >.05 |
| SECONDARY Weight at 6 Month Follow up |
91.26; 91.59 | >.05 |
| SECONDARY Adherence |
3.71; 4.07 | .65 |
| SECONDARY BMI at End of Behavioural Weight Loss Program, Week 12 |
32.27; 32.64 | >.05 |
| SECONDARY BMI at 6 Month Follow up |
32.96; 33.11 | >.05 |
| SECONDARY Physical Activity at End of the Behavioural Weight Loss Program, Week 12 |
2161.80; 2211.87 | >.05 |
| SECONDARY Physical Activity at 1 Month Follow up |
2196.78; 2299.22 | >.05 |
| SECONDARY Physical Activity at 6 Month Follow up |
2060.09; 1789.34 | >.05 |
| SECONDARY Dietary Behaviour at End of the Behavioural Weight Loss Program, Week 12 |
2.64; 2.62 | >.05 |
| SECONDARY Dietary Behaviour at 1 Month Follow up |
2.71; 2.67 | >.05 |
| SECONDARY Dietary Behaviour at 6 Month Follow up |
2.80; 2.70 | >.05 |
| SECONDARY Blood Pressure at End of the Behavioural Weight Loss Program, Week 12 |
127.84; 127.19; 77.48; 77.89 | >.05 |
| SECONDARY Blood Pressure at 6 Month Follow up |
128.93; 128.67; 76.77; 77.82 | >.05 |
| SECONDARY Eating Disorder Symptomology at End of the Behavioural Weight Loss Program, Week 12 |
2.01; 2.07 | >.05 |
| SECONDARY Eating Disorder Symptomology at 1 Month Follow up |
1.91; 2.13 | >.05 |
| SECONDARY Eating Disorder Symptomology at 6 Month Follow up |
1.96; 1.92 | >.05 |
| SECONDARY Self-efficacy Related to Eating Patterns After the First Motivational Interviewing or Attention Control Interview, Week 1 - 2 |
136.71; 130.71 | >.05 |
| SECONDARY Self-efficacy for Engaging in Physical Activity After the First Motivational Interviewing or Attention Control Interview, Week 1- 2 |
3.28; 3.05 | >.05 |
| SECONDARY Self-efficacy Related to Eating Patterns After the Second Motivational Interviewing or Attention Control Interview, Week 12 |
148.46; 147.44 | >.05 |
| SECONDARY Self-efficacy for Engaging in Physical Activity After the Second Motivational Interviewing or Attention Control Interview, Week 12 |
3.58; 3.49 | >.05 |
| SECONDARY Importance of Change Ratings After the First Motivational Interview or Attention Control Interview, Week 1 - 2 |
8.67; 8.73 | >.05 |
| SECONDARY Readiness for Change Ratings After the First Motivational Interview or Attention Control Interview, Week 1 -2 |
8.64; 8.65 | >.05 |
| SECONDARY Confidence for Change Ratings After the First Motivational Interview or Attention Control Interview, Week 1- 2 |
7.85; 8.06 | >.05 |
| SECONDARY Importance for Change Ratings After the Second Motivational Interview or Attention Control Interview, Week 12 |
8.52; 8.88 | >.05 |
| SECONDARY Readiness for Change Ratings After the Second Motivational Interviewing or Attention Control Interview, Week 12 |
8.70; 8.86 | >.05 |
| SECONDARY Confidence for Change Ratings After the Second Motivational Interviewing or Attention Control Interview, Week 12 |
8.25; 8.39 | >.05 |
Summary
The purpose of this study is to determine whether adding motivational interviewing (MI) to a behavioural weight loss program (BWLP) results in improved weight loss for adults who are overweight or obese.
Eligibility Criteria
Inclusion Criteria
- Overweight to obese (BMI greater than or equal to 25 kilograms per meter squared).
Exclusion Criteria
- Pregnancy (or intention of becoming pregnant within 9 months)
- Health issues that would preclude participation in physical activity
- Concurrent involvement in another weight loss program.
Data sourced from ClinicalTrials.gov (NCT02649634). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.