Development of an Evaluation Scale for Self-Management Behavior Related to Physical Activity of Type 2 Diabetic Patients

  1. Yuri Nakawatase, MS, RN1,
  2. Chiemi Taru, MS, RN1,
  3. Akimitsu Tsutou, MD, PHD2,
  4. Hideyuki Shiotani, MD, PHD2,
  5. Yoshiaki Kido, MD, PHD3,
  6. Takeshi Ohara, MD, PHD4,
  7. Wataru Ogawa, MD, PHD3 and
  8. Ikuko Miyawaki, PHD, RN2
  1. 1Division of Health Sciences, Kobe University, Kobe, Japan
  2. 2Faculty of Health Sciences, Kobe University, Kobe, Japan
  3. 3Division of Diabetes, Metabolism, and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
  4. 4Department of Internal Medicine, Hyogo Prefectural Kakogawa Hospital, Kakogawa, Japan
  1. Address correspondence and reprint requests to Yuri Nakawatase, Division of Health Sciences, Kobe University, 7-10-2 Tomogaoka, Suma-ku, Kobe 654-0142, Japan. E-mail: yuri.nakawatase{at}gmail.com

Abstract

OBJECTIVE—The aim of this study was to assess the reliability and validity of an evaluation scale for self-management behavior related to physical activity of type 2 diabetic patients (ES-SMBPA-2D).

RESEARCH DESIGN AND METHODS—Outpatients with type 2 diabetes (n = 146) completed a self-administered questionnaire supported by a semistructured interview based on a literature review. The content, factor, and concurrent validity and internal consistency and reproducibility of the scale were analyzed. Pearson’s correlation coefficients for the ES-SMBPA-2D and International Physical Activity Questionnaire (IPAQ) subscale scores were calculated to evaluate the concurrent validity.

RESULTS—The ES-SMBPA-2D was divided into two parts, the first dealing with self-management behavior to enhance physical activity in daily life and the second with behavior to maintain the level of physical activity. Factor analysis showed that the first part comprised four factors and the second five. The ES-SMBPA-2D correlated with the IPAQ subscales. Cronbach’s α coefficient was between 0.56 and 0.90, and the intraclass test-retest correlation coefficient of the subscales was between 0.60 and 0.88.

CONCLUSIONS—The ES-SMBPA-2D is reasonably reliable and valid and is expected to prove useful for the assessment of patients’ self-management behavior and for individualized instruction.

Footnotes

  • Published ahead of print at http://care.diabetesjournals.org on 20 July 2007. DOI: 10.2337/dc07-0685.

    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 July 16, 2007.
    • Received April 8, 2007.
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  1. Published online before print July 20, 2007, doi: 10.2337/dc07-0685 Diabetes Care November 2007 vol. 30 no. 11 2843-2848
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