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questionnaires:2020 [05/01/2022 @ 11:43] – Updated wave table numbers d.ayland | questionnaires:2020 [05/01/2022 @ 17:10] (current) – [Responding Population] d.ayland | ||
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In March 2021, UK based study members who had taken part in any of the three waves of the COVID-19 survey were asked to provide a finger-prick blood sample to be analysed for COVID-19 antibodies. Those who agreed were sent a blood sample collection kit and asked to post back the sample to a laboratory for analysis. | In March 2021, UK based study members who had taken part in any of the three waves of the COVID-19 survey were asked to provide a finger-prick blood sample to be analysed for COVID-19 antibodies. Those who agreed were sent a blood sample collection kit and asked to post back the sample to a laboratory for analysis. | ||
- | The NSHD sample and response rates are: | ||
- | ^Online^ | + | Responding Population |
- | ^Wave^Cohort Issued Sample^Email bounced^Failed^Opted Out^Response^ | + | All eligible study members were contacted: 2271 study members gave information, |
- | |Wave 1|1842|79 (4.3%)|2 (0.1%)|45 (2.4%)|**1252 (68%)**| | + | |
- | |Wave 2|2547|1 (0.04%)|-|22 (0.9%)|**1512 (59%)**| | + | ^-^Wave 1^Wave 2^Wave 3^ |
- | |Wave 3 (Completed Wave 1 and/or Wave 2)|1559|-|2 (0.1%)|-|**1376 (55%)**| | + | |Provided information|1876|2116|1913| |
+ | |Cumulative total of deaths|1225|1246|1272| | ||
+ | |Cumulative permanent refusals | ||
+ | |Failure to contact|855|852|845| | ||
- | ^Postal^ | ||
- | ^Wave^Cohort Issued Sample^Undelivered^Opted Out^UK Completed Wave 1^Response^ | ||
- | |Wave 1|912|5 (0.5%)|1 (0.1%)|-|**616 (68%)**| | ||
- | |Wave 2|938|5 (0.5%)|6 (0.6%)|489 (52%)|**547 (58%)**| | ||
- | |Wave 3 (Did not receive Wave 3 online)|913|8 (0.9%)|-|-|**514 (56%)**| | ||
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