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Content validity of items included in the scale (three‐round survey)
| I‐CVI | K* | No. of items | ||||||
|---|---|---|---|---|---|---|---|---|
| FHL | IHL | CHL‐1 | CHL‐2 | CHL‐3 | Total | |||
| Round 1 | 0.75–0.96 | 0.74–1.00 | 5 | 7 | 7 | 9 | 6 | 34 |
| Round 2 | 0.79–1.00 | 0.74–1.00 | 5 | 7 | 6 | 9 | 6 | 33 |
| Round 3 | 0.79–1.00 | 0.79–1.00 | 5 | 7 | 6 | 7 | 6 | 31 |
Abbreviations: FHL, functional health literacy; I‐CVI, Item content validity index; IHL, interactive health literacy.
