Table 1 Response rates (RR) for new recruits and panellists and realized number of analysis cases by wave
From: Development of a new COVID-19 panel survey: the IAB high-frequency online personal panel (HOPP)
Wave | New recruits | Wave 1 panellists | Refreshment Panellists | Realized number of analysis cases | ||||
|---|---|---|---|---|---|---|---|---|
Ninvited | RRa | Ninvited | RRa | Ninvited | RRa | Overall | With record linkage consent | |
1 | 200,000 | 5.7 | – | – | – | – | 11,311 | 9548 |
2 | – | – | 9751 | 48.6 | – | – | 4746 | 4258 |
3 | – | – | 9751 | 41.7 | – | – | 4071 | 3673 |
4 | – | – | 9751 | 37.7 | – | – | 3682 | 3339 |
5 | 99,188 | 8.2 | 3739 | 79.5 | – | – | 11,072 | 9595 |
6 | – | – | 3744 | 82.4 | 4939 | 72.3 | 6659 | 6141 |
7 | – | – | 3737 | 80.6 | 4931 | 67.3 | 6334 | 5836 |