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Acceptability and Feasibility of a Dietary and Exercise Intervention Delivered via Telehealth Emphasizing the DASH Diet and High Intensity Interval Training for Adolescents with Elevated Weight Status: The DASH-IT Pilot Study

Jernigan, Sara M
http://rave.ohiolink.edu/etdc/view?acc_num=ucin1563874531001719

Abstract Details

2019, MS, University of Cincinnati, Allied Health Sciences: Nutrition.
Adolescent obesity has continued to rise in the United States. With this rise, more adverse outcomes and diseases that were once restricted to the adult population are occurring in children and adolescents. Similar to adult treatment strategies, lifestyle changes, involving diet and exercise, are recommended as the first line of treatment for pediatric obesity. However, optimal delivery approaches for these interventions to achieve and sustain weight loss in children and adolescents are not known. Purpose: The purpose of the present study was to examine the acceptability and efficacy of a calorie-controlled DASH dietary intervention combined with high intensity interval training (HIIT) delivered in one-face-to-face counseling visit compared to the same approach enhanced with a telephone-delivered behavior modification program over 12 weeks to overweight and obese adolescents. Methods: Overweight and obese adolescents were recruited from Cincinnati Children’s Hospital Medical Center main and branch Healthworks! Clinics. The present study was a randomized controlled trial with two arms: DASH-IT reduced (one-face-to-face lifestyle intervention visit) and DASH-IT intervention (enhanced with telehealth behavior modification delivered in 10-phone calls). Acceptability of the intervention was determined by process evaluation questionnaire addressing different aspects of the intervention and delivery approach. Outcome measures were collected before the intervention and after 3 months and included a 3-day dietary recall (analyzed for change in DASH score and DASH food groups and related nutrients), body mass index, body composition (lean and fat mass) and blood pressure measurements. Results: Based on the process evaluation questionnaire for the reduced and enhanced versions of the intervention, 62% stated they would recommend the DASH diet to a friend and 64% answered that they would recommend the HIT exercise program to a friend. More than half of participants in the telehealth component (DASH-IT intervention) either really liked (43%) or sort of liked (14%) having weekly calls. Perceived acceptability of the self-monitoring aspect of the DASH-IT intervention had mixed results as to whether or not this was acceptable in this population. No significant differences were detected for any of the dietary, weight status or blood pressure outcome measures in this study between groups after the intervention was completed. Conclusion: Overall, the combined DASH diet and HIIT intervention was well accepted by more than half of the participants in this study. However, in this small pilot study, the addition of a telehealth behavioral skills component to a face-to-face counseling visit to deliver the intervention did not significantly improve dietary, anthropometric or blood pressure outcomes when compared to the one-time face-to-face delivery approach alone. This could be related to the number of patients who actually completed all of the calls (n=2). In future studies, larger groups should be assessed to determine whether those who complete the telehealth component show greater improvements in biometric outcomes compared to those who receive a smaller dose of the intervention with the behavioral modification component.
Sarah Couch, Ph.D. (Committee Chair)
Abigail Peairs, Ph.D. (Committee Member)
52 p.
Nutrition
DASH Diet; adolescent obesity; HIIT; Telehealth; pediatric obesity

Recommended Citations

Citations

  • Jernigan, S. M. (2019). Acceptability and Feasibility of a Dietary and Exercise Intervention Delivered via Telehealth Emphasizing the DASH Diet and High Intensity Interval Training for Adolescents with Elevated Weight Status: The DASH-IT Pilot Study [Master's thesis, University of Cincinnati]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1563874531001719

    APA Style (7th edition)

  • Jernigan, Sara. Acceptability and Feasibility of a Dietary and Exercise Intervention Delivered via Telehealth Emphasizing the DASH Diet and High Intensity Interval Training for Adolescents with Elevated Weight Status: The DASH-IT Pilot Study. 2019. University of Cincinnati, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ucin1563874531001719.

    MLA Style (8th edition)

  • Jernigan, Sara. "Acceptability and Feasibility of a Dietary and Exercise Intervention Delivered via Telehealth Emphasizing the DASH Diet and High Intensity Interval Training for Adolescents with Elevated Weight Status: The DASH-IT Pilot Study." Master's thesis, University of Cincinnati, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1563874531001719

    Chicago Manual of Style (17th edition)

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This open access ETD is published by University of Cincinnati and OhioLINK.