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  • Title: Psychometric properties of the Tampa Scale of Kinesiophobia (TSK-11) among older people with chronic pain.
    Author: Larsson C, Hansson EE, Sundquist K, Jakobsson U.
    Journal: Physiother Theory Pract; 2014 Aug; 30(6):421-8. PubMed ID: 24410415.
    Abstract:
    OBJECTIVES: The study aimed to test the construct validity, factor structure and reliability of the 11-item version of the Tampa Scale for Kinesiophobia (TSK-11, Swedish version) among older people (65+) with chronic pain. DESIGN: Methodological study. SUBJECTS: 433 participants with chronic pain (mean age 74.8, 65-98 years) completed postal questionnaires. 264 of the participants completed a test-retest assessment. METHODS: Construct validity was evaluated through corrected item-total correlations. Convergent validity was analyzed by correlations with activity/activities of daily living (ADL) dependence, pain intensity and physical activity (all of which are constructs related to kinesiophobia according to fear-avoidance theories). Factor structure was tested through confirmatory factor analysis. Reliability was assessed with Cronbach's α and test-retest reliability, analyzed by intra-class correlation coefficient (ICC) and weighted κ coefficient analysis. RESULTS: Evidence of convergent validity was shown by significant positive correlations with activity/ADL dependence (r = 0.20) and pain intensity (r = 0.31), and a significant negative correlation with physical activity (r = -0.38). Confirmatory factor analysis showed that both one- and two factor-solutions were possible. Cronbach's α coefficients ranged between 0.74 and 0.87. Test-retest analysis showed strong agreement regarding ICC (r = 0.75, 95% confidence interval 0.64-0.82). The weighted κ coefficients for the individual items showed fair to moderate reliability. CONCLUSION: The Swedish version of TSK-11 had acceptable construct validity, factor structure, and reliability and, hence, can be considered suitable for older people with chronic pain.
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