Abstract
Rose DJ, Lucchese N, Wiersma LD. Development of a multidimensional balance scale for use with functionally independent older adults. Objective To develop and evaluate the validity and reliability of a multidimensional balance scale—the Fullerton Advanced Balance (FAB) scale—suitable for use with functionally independent older adults. Design Psychometric evaluation of the scale’s content and convergent validity, test-retest and intra- and interrater reliability, and internal rater consistency. Setting Urban community. Participants Forty-six community-residing older adults (mean ± standard deviation, 75±6.2y), with (n=31) and without identified balance problems (n=15), participated in the study. Four physical therapists with expertise in the assessment and treatment of balance disorders in older adults also participated in the content validity and/or reliability phases of the study. Interventions Not applicable. Main Outcome Measures Spearman rank correlation coefficients for convergent validity, test-retest, intra- and interrater reliability, and homogeneity coefficient values for rater consistency. Results Test-retest reliability for the total balance scale score was high (ρ=.96). Interrater reliability for total score ranged from .94 to .97 whereas intrarater reliability coefficients ranged from .97 to 1.00. Homogeneity ( H) coefficients were greater than .90 for 6 of the 10 individual test items and all 10 test items had H coefficients of greater than .75 for both rating sessions. Conclusions Preliminary results suggest that the FAB scale is a valid and reliable assessment tool that is suitable for use with functionally independent older adults residing in the community.
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