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Table 7 Intra-rater weighted Cohen’s kappa value by single item

From: Psychometric properties of the simplified Chinese version of the observer OPTION5 scale

Item

Kappa(N = 209)

Agreement

Z value

95% CI

p

Item 1

0.883

Almost perfect

16.083

0.827 ~ 0.938

<0.001

Item 2

0.827

Almost perfect

15.939

0.754 ~ 0.900

<0.001

Item 3

0.843

Almost perfect

16.675

0.786 ~ 0.901

<0.001

Item 4

0.743

Substantial

13.701

0.653 ~ 0.833

<0.001

Item 5

0.469

Moderate

10.671

0.360 ~ 0.578

<0.001

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BMC Primary Care

ISSN: 2731-4553

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