Cross-cultural adaptation, validity and reliability of the Persian translation of the Western Ontario Shoulder Instability Index (WOSI)

Table 3 Reliability measures summary

	Test mean score (SD)	Retest mean score (SD)	Cronbach's alpha	ICC [95% CI]	SEM
WOSI total	1370.4 (430.0)	1478.0 (472.5)	0.93	0.90 [0.81, 0.95]	174.5 (8.30%)
Physical symptoms	553.8 (233.6)	634 (249)	0.88	0.84 [0.70, 0.91]
Sport/recreation/work	293.2 (99.2)	312 (98)	0.80	0.82 [0.67, 0.90]
Lifestyle	289.0 (98.5)	282 (106)	0.79	0.91 [0.83, 0.95]
Emotions	245.5 (61.7)	249 (69)	0.79	0.89 [0.79, 0.94]

SD standard deviation, ICC intraclass correlation coefficient, CI confidence interval, SEM standard error of measurement

ISSN: 1749-799X