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covq [2023/04/07 07:24] – trynkecovq [2025/02/05 13:49] (current) – external edit 127.0.0.1
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 ===== Reference paper ===== ===== Reference paper =====
  
-  * Mc Intyre K et al. (2021) Lifelines COVID-19 cohort: investigating COVID-19 infection and its health and societal impacts in a Dutch population-based cohort. BMJ Open. 2021 Mar 17;11(3):e044474.+  * Mc Intyre K et al. (2021) [[https://bmjopen.bmj.com/content/11/3/e044474.long|Lifelines COVID-19 cohort: investigating COVID-19 infection and its health and societal impacts in a Dutch population-based cohort]]. BMJ Open 11(3):e044474. 
 + 
 +Other papers from the Lifelines COVID-19 initiative: 
 + 
 +  * van Blokland IV et al. (2021) [[https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0255402|Using symptom-based case predictions to identify host genetic factors that contribute to COVID-19 susceptibility]]. PLoS ONE 16(8): e0255402 
 +  * Ballering AV et al. (2022) [[https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(22)01214-4/fulltext|Persistence of somatic symptoms after COVID-19 in the Netherlands: an observational cohort study]]. Lancet 400(10350):452-461 
 +  * Warmerdam CAR et al. (2022) [[https://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1010135|Increased genetic contribution to wellbeing during the COVID-19 pandemic]]. PLoS Genet 18(5):e1010135 
 +  * Ori, A et al. (2023) [[https://www.sciencedirect.com/science/article/pii/S0165032722013003?via%3Dihub|Longitudinal analyses of depression, anxiety, and suicidal ideation highlight greater prevalence in the northern Dutch population during the COVID-19 lockdowns]]. J Affect Disord 323:62-70
  
 ===== Timeline & Response ===== ===== Timeline & Response =====
  
 In April 2020, Lifelines started to send out the first questionnaires to ~130,000 adult Lifelines [[cohort|participants]]. Follow-up questionnaires were send out on a weekly (and later bi-weekly and monthly) basis. In April 2020, Lifelines started to send out the first questionnaires to ~130,000 adult Lifelines [[cohort|participants]]. Follow-up questionnaires were send out on a weekly (and later bi-weekly and monthly) basis.
-  * From questionnaire 8 ~110,000 participants were invited +  * Questionnaire 1-7: ~130.000 participants were invited 
-  * From questionnaire 18 ~65,500 participants were invited (selection: at least 2 previous COVQ questionnaires filled in) +  * Questionnaire 8-17: ~110,000 participants were invited 
 +  * Questionnaire 18-23: ~65,500 participants were invited (selection: at least 2 previous COVQ questionnaires filled in) 
 +  * Questionnaire 24-29: ~50,000 participants were invited (selection: at least 1 COVQ questionaires filled in in 2021, and no "unsubscribe" e-mail sent)  
  
-^ COVQ   ^ Date                    ^ Response  ^ Response rate  ^ +^ COVQ  ^ Date                    ^ Response  ^ Response rate  ^ 
-| 1      | 30-03 to 23-04-2020     | ~53,000   | 41%            | +| 1     | 30-03 to 23-04-2020     | ~53,000   | 41%            | 
-| 2      | 02-04 to 06-05-2020     | ~51,000   | 39%            | +| 2     | 02-04 to 06-05-2020     | ~51,000   | 39%            | 
-| 3      | 12-04 to 06-05-2020     | ~50,000   | 38%            | +| 3     | 12-04 to 06-05-2020     | ~50,000   | 38%            | 
-| 4      | 16-04 to 13-05-2020     | ~47,000   | 36%            | +| 4     | 16-04 to 13-05-2020     | ~47,000   | 36%            | 
-| 5      | 19-04 to 20-05-2020     | ~45,000   | 35%            | +| 5     | 19-04 to 20-05-2020     | ~45,000   | 35%            | 
-| 6      | 28-04 to 27-05-2020     | ~43,000   | 33%            | +| 6     | 28-04 to 27-05-2020     | ~43,000   | 33%            | 
-| 7      | 15-05 to 29-05-2020     | ~45,000   | 34%            | +| 7     | 15-05 to 29-05-2020     | ~45,000   | 34%            | 
-| 8*     | 23-05 to 24-06-2020     | ~38,000   | 34%            | +| 8*    | 23-05 to 24-06-2020     | ~38,000   | 34%            | 
-| 9      | 11-06 to 29-06-2020     | ~37,000   | 33%            | +| 9     | 11-06 to 29-06-2020     | ~37,000   | 33%            | 
-| 10     | 07-07 to 29-07-2020     | ~33,000   | 30%            | +| 10    | 07-07 to 29-07-2020     | ~33,000   | 30%            | 
-| 11     | 10-07 to 05-08-2020     | ~35,000   | 32%            | +| 11    | 10-07 to 05-08-2020     | ~35,000   | 32%            | 
-| 12     | 24-07 to 02-09-2020     | ~36,000   | 32%            | +| 12    | 24-07 to 02-09-2020     | ~36,000   | 32%            | 
-| 13     | 08-09 to 30-09-2020     | ~35,000   | 32%            | +| 13    | 08-09 to 30-09-2020     | ~35,000   | 32%            | 
-| 14     | 13-10 to 04-11-2020     | ~34,000   | 31%            | +| 14    | 13-10 to 04-11-2020     | ~34,000   | 31%            | 
-| 15     | 02-11 to 26-11-2020     | ~34,000   | 31%            | +| 15    | 02-11 to 26-11-2020     | ~34,000   | 31%            | 
-| 15b    | 15-11 to 10-12-2020     | ~33,000   | 30%            | +| 15b   | 15-11 to 10-12-2020     | ~33,000   | 30%            | 
-| 16     | 02-12 to 21-12-2020     | ~31,000   | 28%            | +| 16    | 02-12 to 21-12-2020     | ~31,000   | 28%            | 
-| 16b    | 08-12 to 05-01-2021     | ~32,000   | 29%            | +| 16b   | 08-12 to 05-01-2021     | ~32,000   | 29%            | 
-| 17     | 05-01 to 08-02-2021     | ~34,000   | 31%            | +| 17    | 05-01 to 08-02-2021     | ~34,000   | 31%            | 
-| 18**   | 25-02 to 25-03-2021     | ~32,000   | 49%            | +| 18*   | 25-02 to 25-03-2021     | ~32,000   | 49%            | 
-| 19     | 29-03 to 22-04-2021     | ~29,000   | 45%            | +| 19    | 29-03 to 22-04-2021     | ~29,000   | 45%            | 
-| 20     |  26-04 to 20-05-2021    | ~29,000   | 44%            | +| 20    | 26-04 to 20-05-2021     | ~29,000   | 44%            | 
-| 21     | 25-05 to 18-06-2021     | ~29,000   | 45%            | +| 21    | 25-05 to 18-06-2021     | ~29,000   | 45%            | 
-| 22     | 04-07 to 30-07-2021     | ~24,000   | 36%            | +| 22    | 04-07 to 30-07-2021     | ~24,000   | 36%            | 
-| 23     | 11-10 to 04-11-2021     | ~23,000   | 37%            | +| 23    | 11-10 to 04-11-2021     | ~23,000   | 37%            | 
-| 24**   | 20-12-21 to 12-01-2022  | ~25,000   | 48%            | +| 24*   | 20-12-21 to 12-01-2022  | ~25,000   | 48%            | 
-| 25     | 28-02 to 24-03-2022     | ~20,000   | 38%            | +| 25    | 28-02 to 24-03-2022     | ~20,000   | 38%            | 
-| 26     | 11-04 to 04-05-2022     | ~20,000   | 40%            | +| 26    | 11-04 to 04-05-2022     | ~20,000   | 40%            | 
-| 27     | 31-05 to 27-06-2022     | ~19,000   | 36%            | +| 27    | 31-05 to 27-06-2022     | ~19,000   | 36%            | 
-| 28     | 11-07 to 03-08-2022     | ~18,000   | 36%            | +| 28    | 11-07 to 03-08-2022     | ~18,000   | 36%            | 
-| 29     | 29-09 to 19-10-2022     | ~21,000   | 42%            |+| 29    | 29-09 to 19-10-2022     | ~21,000   | 42%            |
  
 ^ Number of participants  ^ First 19 questionnaires completed?  ^ ^ Number of participants  ^ First 19 questionnaires completed?  ^
covq.1680852280.txt.gz · Last modified: (external edit)