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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
  1. aAAPOR RR1