questionnaires:2020

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questionnaires:2020 [09/07/2020 @ 16:52] – [Contents] rootquestionnaires:2020 [05/01/2022 @ 17:10] (current) – [Responding Population] d.ayland
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 tri-ethnic Southall and Brent Revisited cohorts. tri-ethnic Southall and Brent Revisited cohorts.
  
-The COVID-19 Wave 1 Survey was conducted by web, and only those for +**Wave 1** \\ 
-whom an email address was held were invited to take part. The +The COVID-19 Wave 1 Survey was conducted initially by web, and only those for whom an email address was held were invited to take part. The decision to issue the survey initially only via the web was taken because the LHA and CLS teams were unable to send postal mailings due to social distancing restrictions on business operations at the time the survey was conducted. Howeveras the lockdown progressed these restrictions eased, and it was possible to send out postal questionnaires. The postal questionnaire was sent to all active UK based study members who did not receive a web-based survey or who requested a paper version of the questionnaire. \\ 
-decision to issue the survey initially only via the web was taken because +Online: May - June 2020 \\ 
-the LHA and CLS teams were unable to send postal mailings due to +Postal: June - July 2020 \\
-social distancing restrictions on business operations at the time the +
-survey was conducted, and the commissioning of telephone interviews +
-was considered infeasible due to both time and cost \\ \\+
  
-The NSHD sample and response rates are:+**Wave 2** \\ 
 +The COVID-19 Wave 2 Survey was conducted initially by web, and all active study members were invited to take part by a letter.  UK active study members who did not complete the online questionnaire were then sent a postal questionnaire. \\ 
 +OnlineSept - Oct 2020 \\ 
 +Postal: Nov - Dec 2020 \\
  
-^Cohort Issued Sample^Email bounced^Failed email^Opted Out^Response^ +**Wave 3** \\ 
-|1843|80 (4.3%)|2 (0.1%)|29 (1.6%)|**1258 (68%)**+The COVID-19 Wave 2 Survey was conducted initially by web and we only sent to study members who had completed Wave 1 or Wave 2 online. A postal questionnaire was later sent to all active UK based study members. \\ 
 +Online: Feb-March 2021 \\ 
 +Postal: May - July 2021 \\
  
 +**Serology** \\
 +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.  \\
 +
 +
 +Responding Population 
 +All eligible study members were contacted: 2271 study members gave information, of which 1573 study members completed all 3 waves, 449 completed 2 waves and 249 completed one wave
 +
 +^-^Wave 1^Wave 2^Wave 3^
 +|Provided information|1876|2116|1913|
 +|Cumulative total of deaths|1225|1246|1272|
 +|Cumulative permanent refusals (withdrawn from the study)|637|638|638|
 +|Failure to contact|855|852|845|
  
 ==== Contents ===== ==== Contents =====
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   * {{ questionnaires : 2020_COVID19_Online_Survey_Wave_1.pdf| Wave 1 Web Survey }}   * {{ questionnaires : 2020_COVID19_Online_Survey_Wave_1.pdf| Wave 1 Web Survey }}
 +  * {{ questionnaires : 2020_NSHD_Postal_Wave1_annotated.pdf| Wave 1 Postal Survey }}
 +  * Wave 2 Web Survey - Pending upload
 +  * {{ questionnaires : 2020_NSHD_Postal_Wave2_W1NotComplete_annotated.pdf| Wave 2 Postal Survey }} - Wave 1 Not Completed by Participant
 +  * Wave 2 Postal Survey - Wave 1 Completed by Participant - Pending upload
 +  * Wave 3 Web Survey - Pending upload
 +  * Wave 3 Web Survey - Wave 1 and Wave 2 Not Completed by Participant - Pending upload
 +  * {{ questionnaires : 2020_NSHD_Postal_Wave3_W1orW2Completed_annotated.pdf| Wave 3 Postal Survey }} - Wave 1 or Wave 2 Completed by Participant
 +
  
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