covq
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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. |
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| + | Other papers from the Lifelines COVID-19 initiative: | ||
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| + | * 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 | ~43,000 | 33% | | + | | 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 | ~35,000 | 32% | | + | | 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 | ~30,000 | 46% | | + | | 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 | 45% | | + | | 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 | 05-07 to 29-07-2021 | ~24,000 | 37% | | + | | 22 | 04-07 to 30-07-2021 | ~24,000 | 36% | |
| + | | 23 | 11-10 to 04-11-2021 | ~23,000 | 37% | | ||
| + | | 24* | 20-12-21 to 12-01-2022 | ~25,000 | 48% | | ||
| + | | 25 | 28-02 to 24-03-2022 | ~20,000 | 38% | | ||
| + | | 26 | 11-04 to 04-05-2022 | ~20,000 | 40% | | ||
| + | | 27 | 31-05 to 27-06-2022 | ~19,000 | 36% | | ||
| + | | 28 | 11-07 to 03-08-2022 | ~18,000 | 36% | | ||
| + | | 29 | 29-09 to 19-10-2022 | ~21,000 | 42% | | ||
| - | ^ Number of participants ^ No. of Covid-19 questionnaires completed ^ | + | ^ Number of participants ^ First 19 questionnaires completed? ^ |
| | ~77,000 | 1 of 19 | | | ~77,000 | 1 of 19 | | ||
| | ~66,000 | 2 of 19 | | | ~66,000 | 2 of 19 | | ||
covq.1635864445.txt.gz · Last modified: 2025/02/05 14:49 (external edit)
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