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Questionnaire versions by country and age group.
| Country | Version | Targeted age group in W1 | Network data section | Risk section |
|---|---|---|---|---|
| Estonia | B | younger and older | no | yes |
| Finland | A | younger and older | yes | yes |
| Germany | A | older | yes | yes |
| C | younger | yes | no | |
| Italy | A B |
older younger |
yes no |
yes yes |
| Poland | B | younger and older | no | yes |
| Portugal | A; B | older | yes (A); no (B) | yes |
| C; D | younger | yes (C); no (D) | no | |
