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Constructs and items of VL scales used in the surveys; Items’ description is reported in Annex 1.
| Subscales | Scales |
|
|---|---|---|
| HLVa | COVID-19-VLS | |
| Functional items | 5 | 4 |
| Interactive (communicative) items | 5 | 8 (interactive and critical items merged) |
| Critical items | 4 | |
| Total VL items | 14 | 12 |
| Other items included in the questionnaire | None | Opinions, attitudes, and behavior toward COVID-19 and other vaccines |
