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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

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  1. α = Cohen's α for internal consistency, CI = confidence interval (95%), ICC = intraclass correlation coefficient, r = correlation coefficient