Innovative Approaches to Diet, Exercise and Activity
| Status: | Completed |
|---|---|
| Conditions: | Obesity Weight Loss |
| Therapuetic Areas: | Endocrinology |
| Healthy: | No |
| Age Range: | 18 - 35 |
| Updated: | 4/21/2016 |
| Start Date: | September 2010 |
| End Date: | November 2014 |
Enhanced Behavioral Intervention to Improve Long-Term Weight Loss in Young Adults
The prevalence of obesity in young adults has been increasing, and excessive body weight
have been linked to numerous chronic conditions including cardiovascular disease, diabetes,
many forms of cancer, and numerous musculoskeletal problems. This study will focus of the
development and evaluation of interventions that may be appropriate for young adults (age
18-35 years) to improve weight loss outcomes following a 24 month intervention. The primary
aim of this study is to examine whether an enhanced weight loss intervention (EWLI) that
includes technology components results in improved weight loss in young adults (18-35 years
of age) compared to a standard behavioral weight loss intervention (SBWP) over a period of
24 months. Eligible participants will also be assessed for body composition, body fat
distribution, fitness, physical activity, dietary intake, and behavioral/psychosocial
measures that may be predictive of behavior change. Assessments will occur at 0, 6, 12, 18,
and 24 months. Subjects will participate in a 24 month behavioral weight loss program that
includes a reduction in energy intake and moderate-to-vigorous intensity exercise
(progressively increasing from 100 to 300 minutes per week). The technologies added to EWLI
are text messaging, a wearable device that provides feedback on physical activity, and
access to a website to monitor dietary behaviors.
have been linked to numerous chronic conditions including cardiovascular disease, diabetes,
many forms of cancer, and numerous musculoskeletal problems. This study will focus of the
development and evaluation of interventions that may be appropriate for young adults (age
18-35 years) to improve weight loss outcomes following a 24 month intervention. The primary
aim of this study is to examine whether an enhanced weight loss intervention (EWLI) that
includes technology components results in improved weight loss in young adults (18-35 years
of age) compared to a standard behavioral weight loss intervention (SBWP) over a period of
24 months. Eligible participants will also be assessed for body composition, body fat
distribution, fitness, physical activity, dietary intake, and behavioral/psychosocial
measures that may be predictive of behavior change. Assessments will occur at 0, 6, 12, 18,
and 24 months. Subjects will participate in a 24 month behavioral weight loss program that
includes a reduction in energy intake and moderate-to-vigorous intensity exercise
(progressively increasing from 100 to 300 minutes per week). The technologies added to EWLI
are text messaging, a wearable device that provides feedback on physical activity, and
access to a website to monitor dietary behaviors.
Inclusion Criteria:
- 18-35 years of age
- Intending to be available for a 24 month intervention
- An active cellular telephone that is capable of receiving text messaging
- A computer and internet connectivity that can be used for the BodyMedia Fit system
- Body mass index (BMI) between 25.0-39.9 kg/m2
- The ability to provide medical clearance to participate in this study from their
primary care physician
- The ability to complete the baseline graded exercise test, and clearance from the
study physician to participate in this study after reviewing the results from this
study
Exclusion Criteria:
- Unable to provide informed consent
- Household member on study staff
- Past or planned (within the next 24 months) weight loss surgery (e.g. gastric bypass,
lap band, or liposuction); current participation in a commercial weight loss program
(e.g. Weight Watcher's, Jenny Craig); current or planned enrollment in another
diet/PA/weight loss intervention study
- Report regular use of systemic steroids, prescription weight loss drugs. "Regular
use" is defined as "taking this medication most days of the week for the previous
month"
- Current treatment for eating disorder
- Cardiovascular event (heart attack, stroke, episode of heart failure, or
revascularization procedure) within the last 6 months
- Current treatment for malignancy (other than non-melanoma skin cancer)
- Currently pregnant or gave birth within the last 6 months, currently lactating or
breastfeeding within the last 3 months, actively planning pregnancy within the next
24 months
- Investigator discretion
- Currently taking medication that would affect heart rate or blood pressure responses
to exercise (e.g., beta blockers)
- Report losing >5% of current body weight in the previous 6 months
- Currently treated for psychological issues, or taking psychotropic medications within
the previous 6 months
- Report taking medication that could affect metabolism or change body weight
- Current treatment for diabetes mellitus
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