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. 2020 Dec 4;18(4):2033. doi: 10.18549/PharmPract.2020.4.2033

Table 3. Content validity for actions.

Actions Essential Useful but not essential Not necessary CVR CVR’ Kappa Interpretation
CEASE 18 0 0 1.00 1.00 1.00 Almost perfect
ADJUST 18 0 0 1.00 1.00 1.00 Almost perfect
SWITCH 18 0 0 1.00 1.00 1.00 Almost perfect
CONTINUE 18 0 0 1.00 1.00 1.00 Almost perfect
RESTART 17 1 0 0.88 0.94 0.83 Almost perfect
 TOTAL 89 1 0 5.13 5.06 0.97 95%CI (0.90-1.00) Almost perfect
Global CVI 0.73 0.72

Interpretation criteria for Kappa, using guidelines described by Landis and Koch. Poor=0.00, slight=0.01- 0.20, fair=0.21- 0.40, moderate=0.41- 0.60, substantial=0.61-0.80 and almost perfect=0.81-1.00. CVR: content validity ratio. CVI: item-level content validity.