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Table 3 Reliability and validity measures of the SPADI-NP

From: Nepali translation, cross-cultural adaptation and measurement properties of the Shoulder Pain and Disability Index (SPADI)

Measurement properties SPADI—pain SPADI—disability Total SPADI-NP
Internal consistency (Cronbach’s α) 0.82 0.88 0.90
Test-retest reliability ICC (95%CI) 0.89 (0.80–0.95) 0.96 (0.92–0.98) 0.95 (0.90–0.97)
MDC    5.7 (out of 100)
SEM    2.1 (out of 100)
Construct validity
 DASH-NP—pain r = 0.63*   
 DASH-NP—disability   r = 0.81*  
 GROC-NP    r = −0.41*
  1. CI confidence interval, DASH-NP Nepali Disability of Arm, Shoulder and Hand score, GROC-NP Nepali Global Rating of Change, ICC intraclass correlation coefficient, MDC minimal detectable change, SEM standard error of measurement, SPADI-NP Nepali Shoulder Pain and Disability Index
  2. *Significance p < 0.001