%0 Journal Article
%T Item distribution of the Berg Balance Scale in older adults with hip fracture: a Rasch analysis
%J Physiotherapy theory and practice
%D 2022
%A Takeda, Ren
%A Miyata, Kazuhiro
%A Tamura, Shuntaro
%A Kobayashi, Sota
%A Iwamoto, Hiroki
%V ePub
%N ePub
%P ePub-ePub
%X INTRODUCTION: Balance impairment occurs after a hip fracture, but the characteristics of the impairment are not clear. <br><br>OBJECTIVE: To investigate the uni-dimensionality, fit statistics, and item difficulty of the Berg Balance Scale (BBS) in older adults with hip fracture by conducting a Rasch analysis. <br><br>METHODS: This was an observational cross-sectional study. The 254 participants were all ≥ 65 years old and had been hospitalized for rehabilitation after a unilateral hip fracture incurred during a fall. We collected their BBS scores at the time of hospital discharge and conducted a Rasch analysis to examine the uni-dimensionality, fit statistics, and item difficulty. <br><br>RESULTS: The principal component analysis (PCA) of the Rasch model demonstrated that the BBS is uni-dimensional. The information-weighted mean square (MnSq) fit statistic was within the range of fit criteria for all items. The underfit item of the outlier-sensitive MnSq fit statistics was "Standing unsupported eyes closed" with the MnSq of 2.06. The difficult items were in order of logits: "Standing on one leg" (logits = 4.01); "Step tool" (logits = 2.74); and "Turn 360°" (logits = 2.61). <br><br>CONCLUSION: The BBS is uni-dimensional and conforms with the Rasch model. The BBS most difficult items for older adults with a hip fracture required one-legged support and dynamic balance.<p /> <p>Language: en</p>
%G en
%I Informa - Taylor and Francis Group
%@ 0959-3985
%U http://dx.doi.org/10.1080/09593985.2022.2109541