• J Aging Health · Aug 2012

    Validity and reliability of the short physical performance battery in two diverse older adult populations in Quebec and Brazil.

    • Aline Nascimento Freire, Ricardo Oliveira Guerra, Beatriz Alvarado, Jack M Guralnik, and Maria Victoria Zunzunegui.
    • Universidade Federal do Rio Grande do Norte, Natal-RN, Brazil.
    • J Aging Health. 2012 Aug 1;24(5):863-78.

    ObjectivesTo assess the validity and reliability of the Short Physical Performance Battery (SPPB) in adults 65 to 74 years old, capable in all basic activities of daily living (ADL), in Quebec and Brazil.MethodsParticipants were recruited in St. Bruno (Quebec) by local advertisements (n = 60) and in Santa Cruz (Brazil) by random sampling (n = 64). The SPPB includes tests of gait, balance, and lower-limb strength. Disability status was categorized as intact mobility, limited mobility, and difficulty in any of ADL.ResultsThere was a graded decrease in mean SPPB scores with increasing limitation of lower limbs, disability, and poor health. Using the test-retest reliability the authors evaluated the intraclass correlation coefficient, which was high in both samples: .89 (95% CI: 0.83, 0.93) in St. Bruno and .83 in Santa Cruz (95% CI: 0.73, 0.89).DiscussionThis study provides evidence for the validity and reliability of SPPB in diverse populations.

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