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Table 5 Internal consistency, ICCs, and correlations for all four CAHAI-G versions

From: Objectively-assessed outcome measures: a translation and cross-cultural adaptation procedure applied to the Chedoke McMaster Arm and Hand Activity Inventory (CAHAI)

n = 23 CAHAI-G 7 CAHAI-G 8 CAHAI-G 9 CAHAI-G 13
Internal consistency α = 0.979, p ≤ 0.001 α = 0.981, p ≤ 0.001 α = 0.979, p ≤ 0.001 α = 0.974, p ≤ 0.001
ICC 0.967 0.964 0.965 0.989
CI 0.935< × <0.985 0.931< × <0.984 0.932< × <0.984 0.937< × <0.985
CAHAI-G 7 --- r = 0.999 r = 0.994 r = 0.982
CAHAI-G 8 r = 0.999 --- r = 0.997 r = 0.986
CAHAI-G 9 r = 0.994 r = 0.997 --- r = 0.989
CAHAI-G 13 r = 0.982 r = 0.986 r = 0.989 ---
  1. α = Cohen's α for internal consistency, CI = confidence interval (95%), ICC = intraclass correlation coefficient, r = correlation coefficient