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Diabetes Personal Trainer Outcomes

Short-term and 1-year outcomes of a diabetes personal trainer intervention among youth with type 1 diabetes

  1. Tonja R. Nansel, PHD1,
  2. Ronald J. Iannotti, PHD1,
  3. Bruce G. Simons-Morton, EDD1,
  4. Christopher Cox, PHD1,
  5. Leslie P. Plotnick, MD2,
  6. Loretta M. Clark, RN, CDE2 and
  7. Linda Zeitzoff, CPNP, CDE3
  1. 1Division of Epidemiology, Statistics and Prevention Research, National Institute of Child Health and Human Development, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland
  2. 2Department of Pediatric Endocrinology, Johns Hopkins Medical Center, Baltimore, Maryland
  3. 3Diabetes Clinic, Mount Washington Pediatric Hospital, Baltimore, Maryland
  1. Address correspondence and reprint requests to Tonja R. Nansel, PhD, 6100 Executive Blvd., Rm. 7B13R, MSC 7510, Bethesda, MD 20892-7510. E-mail: nanselt{at}mail.nih.gov

Abstract

OBJECTIVE—To assess the social-cognitive, behavioral, and physiological outcomes of a self-management intervention for youth with type 1 diabetes.

RESEARCH DESIGN AND METHODS—A total of 81 youth with type 1 diabetes aged 11–16 years were randomized to usual care versus a “diabetes personal trainer” intervention, consisting of six self-monitoring, goal-setting, and problem-solving sessions with trained nonprofessionals. Assessments were completed at baseline and multiple follow-up intervals. A1C data were obtained from medical records. ANCOVA adjusting for age and baseline values were conducted for each outcome.

RESULTS—At both short-term and 1-year follow-up, there was a trend for an overall intervention effect on A1C (short-term F = 3.71, P = 0.06; 1-year F = 3.79, P = 0.06) and a significant intervention-by-age interaction, indicating a great effect among older than younger youth (short-term F = 4.78, P = 0.03; 1-year F = 4.53, P = 0.04). Subgroup analyses demonstrated no treatment group difference among younger youth but a significant difference among the older youth. No treatment group differences in parent or youth report of adherence were observed.

CONCLUSIONS—The diabetes personal trainer intervention demonstrated significant effects in A1C among middle adolescents.

Footnotes

  • Published ahead of print at http://care.diabetesjournals.org on 9 July 2007. DOI: 10.2337/dc06-2621. Clinical trial reg. no. NCT00340093, clinicaltrials.gov.

    A table elsewhere in this issue shows conventional and Système International (SI) units and conversion factors for many substances.

    The costs of publication of this article were defrayed in part by the payment of page charges. This article must therefore be hereby marked “advertisement” in accordance with 18 U.S.C Section 1734 solely to indicate this fact.

    • Accepted June 27, 2007.
    • Received December 28, 2007.
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This Article

  1. Published online before print July 9, 2007, doi: 10.2337/dc06-2621 Diabetes Care October 2007 vol. 30 no. 10 2471-2477
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