- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00674518
Changing Healthy Outcomes In Clinic Environments (CHOICE)
June 18, 2019 updated by: Kerry Kuehl, Oregon Health and Science University
Health Promotion Intervention: Sedentary Primary Care Patients
This study will compare three methods of counseling to determine which is most effective at motivating participants to adopt healthy lifestyle habits.
The three methods are: individual counseling, working in groups with a health educator, and receiving advice from a physician.
The health goals for subjects in this study are: 1) increase physical activity to 30 minutes each day, 2) reduce fat intake to less than 30% of total calories, 3) increase consumption of fruits and vegetables to at least 5 servings each day, and 4) reduce percentage of body fat to a healthy level.
Study Overview
Status
Completed
Conditions
Detailed Description
The benefits of physical activity and proper nutrition have been well established to prevent and reduce the devastating effects of chronic illness including, cardiovascular disease, diabetes, and obesity.
Unfortunately, nearly 80% of individuals fail to get enough exercise and eat a proper diet to alter these health disorders.
In the United States, physicians do not routinely counsel patients about physical activity and nutrition.
Although few studies have examined promotion of physical activity in the primary care setting, most have been disappointing.
Achieving and maintaining healthy behaviors remain a major challenge to promoting health and caring for illness.
This research proposals aims are to a) evaluate two health behavior change intervention strategies to improve physical activity and dietary behaviors among sedentary patients in a primary care office; and b) assess by cost-benefit analysis, the impact of each model intervention.
After initial recruitment from OHSU Internal Medicine and Family Practice clinics, 105 sedentary patients will be randomly assigned to Model 1, Model 2, or Model 3. Model #1, a one-on-one, individualized counseling intervention known as Motivational Interviewing, based on the transtheoretical model of behavior change, will use twelve health educator counseling meetings and ten bi-weekly follow-up phone calls the first year and six 60-minute sessions will occur in the second year of the intervention.
Model #2, a team-centered intervention where the health promotion curriculum is delivered by a group facilitator to a team of patients (based on the social influence theory) consists of twelve 60-minute peer facilitated group meetings and ten follow-up phone calls, with six sessions occurring the second year of the full outcome study.
Group facilitators will be trained and use scripted lesson plans.
Model #3, a usual practice control condition (5 minute physician advice using the Physician Advice Counseling Exercise or PACE format).
Models 1 and 2 contact hours are the same.
Year 01 is the pilot study to revise and refine the curriculum and study protocol.
The full intervention will last two years while the behavior change durability will be assessed over another full year.
The study's primary outcomes are increased physical activity as measured by peak oxygen uptake and survey, dietary changes assessed by intake survey, and body composition changes as measured by DEXA.
Secondary outcome measures include blood pressure lipid and lipoprotein levels, biochemical markers of inflammation (CRP) and hormonal markers of obesity.
Outcomes will be assessed using repeated measures design.
Relationships among mediators, the intervention, and the outcome measures will be identified.
Study Type
Interventional
Enrollment (Actual)
103
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Oregon
-
Portland, Oregon, United States, 97239
- Oregon Health & Science University
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
30 years to 65 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Primary care patient patients who are sedentary (less than one exercise bout per week
- 30 - 65 years old
- In stable health, defined as an absence of serious chronic disease (i.e., recent myocardial infarction or CVA, uncontrolled metabolic conditions like thyrotoxicosis or poorly controlled diabetes mellitus).
- If the participants are taking medication for medical conditions, they have to be on a stable dose for at least three months with no medication change in past 3 months.
- Participants must be independent in living and able to obtain weekly transportation to OHSU
- able to increase their physical activity.
Exclusion Criteria:
- Non ambulatory
- Contraindications to exercise due to medical conditions using the AHA criteria and the ACSM Guidelines For Exercise Testing and Prescription. Examples are CAD, CHF, Recent CVA, poorly controlled DM (fasting glucose over 200 mg/dl), poorly controlled HTN, Severe COPD, Thyrotoxicosis, and Morbid Obesity with BMI > 40.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Factorial Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Counseling
One-on-one sessions conducted by a professional motivational counselor to explore ways to help motivate participants to exercise, eat healthier, and lose weight.
|
Motivational Interviewing
|
Experimental: Group
A nutrition and exercise specialist will lead and teach a group of 4 to 5 subjects in healthy nutrition, exercise and weight loss habits
|
peer led, scripted health promotion curriculum in groups of 4-5 individual, with team building activities and health education for 12, 1-hour sessions per year.
|
Active Comparator: MD Advice
A physician will provide exercise and nutrition advice to participants immediately following testing
|
PACE format for physician exercise and nutrition counseling annually.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Improve physical activity and dietary behaviors among sedentary patients
Time Frame: annually x 3 years
|
annually x 3 years
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Improve biomarkers of obesity including glucose, lipid levels, CRP, leptin and insulin.
Time Frame: annually x 3 years
|
annually x 3 years
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Kerry S Kuehl, MD, Oregon Health and Science University
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Kuehl KS, Elliot D, Edholm K, Frohnmayer S. Changing Healthy Outcomes In Clinical Environments (CHOICE) Study. Annals of Behavioral Medicine 33(Supplement):S094, 2007.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
January 1, 2005
Primary Completion (Actual)
June 1, 2008
Study Completion (Actual)
March 1, 2009
Study Registration Dates
First Submitted
May 6, 2008
First Submitted That Met QC Criteria
May 6, 2008
First Posted (Estimate)
May 8, 2008
Study Record Updates
Last Update Posted (Actual)
June 20, 2019
Last Update Submitted That Met QC Criteria
June 18, 2019
Last Verified
June 1, 2019
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 1K23RR017554-01A2 (U.S. NIH Grant/Contract)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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