From: Development of a new COVID-19 panel survey: the IAB high-frequency online personal panel (HOPP)
Month | New recruits | Wave 1 Panellists | Refreshment panellists | Number of analysis cases | ||||
---|---|---|---|---|---|---|---|---|
Ninvited | RR | Ninvited | RR | Ninvited | RR | Overall | With record linkage consent | |
May | 200,000 | 5.7 | – | – | – | – | 11,311 | 9548 |
June | – | – | 9756 | 45.0 | – | – | 4391 | 3943 |
July | – | – | 9756 | 38.6 | – | – | 3860 | 3481 |
August | – | – | 9756 | 35.9 | – | – | 3500 | 3175 |
September | 49,594 | 7.3 | 1866 | 73.5 | – | – | 4972 | 4319 |
October | 49,594 | 7.6 | 1892 | 79.7 | – | – | 5295 | 4595 |
November | – | – | 1860 | 80.3 | 2395 | 68.9 | 3143 | 2923 |
December | – | – | 1884 | 80.7 | 2543 | 71.2 | 3330 | 3051 |
January | – | – | 1852 | 73.5 | 2388 | 58.5 | 2759 | 2575 |
February | – | – | 1885 | 70.0 | 2553 | 56.1 | 2750 | 2520 |