eTable 1. Sample size by survey wave.
| Survey wave | Participants in absolute numbers |
|---|---|
| 1 | 1364 |
| 2 | 1206 |
| 3 | 1135 |
| 4 | 1253 |
| 5 | 1222 |
| 6 | 1218 |
| 7 | 1164 |
| 8 | 1263 |
| 9 | 1244 |
| Total | 11 069 |
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