Skip to main content

Table 2 Descriptive statistics of the SMFA scores, internal consistency and floor and ceiling effects

From: Reliability and validity of the Chinese version of the Short Musculoskeletal Function Assessment questionnaire in patients with skeletal muscle injury of the upper or lower extremities

SMFA No. of items Mean SD % floor % ceiling Cronbach’s α Intraclass correlation
Arm and hand function 8 9.83 14.01 36.6 0 0.870 0.870
Mobility 9 25.50 21.53 14.2 0 0.925 0.925
Daily activities 10 25.81 24.03 6.48 0 0.928 0.928
Emotional status 7 23.38 13.43 4.42 0 0.776 0.776
Dysfunction index 34 21.47 16.17 6.19 0 0.954 0.954
Bother index 12 23.43 18.21 8.85 0 0.935 0.935
  1. SMFA Short Musculoskeletal Function Assessment