Translation, and validation of Dysphagia Outcome and Severity Scale (DOSS): Swedish version

BMC Research Notes

Table 2 Statistical analyses interpretation

Statisical analysis used	Interpretation
^aContent validity using Item-Content Validity Index	≥ 0.79 Excellent content validity	0.70–0.79 Revision of item is recommended	< 0.70 Item should be excluded
^aContent validity using Scale Index/Average	≥ 0.90 Excellent content validity	< 0.90 Needs review
^bAgreement using Intraclass Correlation Coefficient	> 0.90 Excellent agreement	0.75–0.90 Good agreement	0.50–0.75 Moderate agreement	< 0.5 Poor agreement
^cAgreement using Kappa statistic	0.81–1.00 Very good agreement	0.61–0.80 Good agreement	0.41–0.60 Moderate agreement	0.21–0.40 Fair agreement	< 0.20 Poor agreement

Interpretations for (a) content validity using Item-Content Validity Index, (b) intraclass correlation coefficient, and (c) rater agreement
^aValidity Index as per Polit et al., and Rodrigues et al., [19, 22];
^bAgreement using Intraclass Correlation Coefficient as per Koo et al., [23];
^cAgreement using Kappa statistic as per Altman, [24]

ISSN: 1756-0500