ArticleBMJ open2021
Cohort profile: a national, community-based prospective cohort study of SARS-CoV-2 pandemic outcomes in the USA-the CHASING COVID Cohort study.
Article in BMJ open, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06119854 (Brief Digital Intervention to Increase COVID-19 Vaccination Among Individuals With Anxiety or Depression), which is not on this map. Cited by 35 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Brief Digital Intervention to Increase COVID-19 Vaccination Among Individuals With Anxiety or Depression
Who cites it
35 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Pooled it
- Testing Theory-Enhanced Messaging to Promote COVID-19 Vaccination Among Adults: Randomized Controlled Trial.Journal of medical Internet research · 2025Trial
- Epidemiology of SARS-CoV-2 Infection in Italy Using Real-World Data: Methodology and Cohort Description of the Second Phase of Web-Based EPICOVID19 Study.International journal of environmental research and public health · 2022Trial
- GLP-1 receptor agonist medications for weight loss: Sociodemographic patterns of awareness, use, and access in a U.S. national cohort.Annals of epidemiology · 2026Article
- Long COVID longitudinal symptoms burden clusters within a national community-based cohort.BMC infectious diseases · 2026Article
- The role of institutional trust in shaping the relationship between vaccine concerns and ongoing COVID-19 vaccination in a US national cohort.American journal of epidemiology · 2026Article
- Article
- Examining Discordance in Perceptions of COVID-19 and Influenza Vaccine Safety During Pregnancy Among a Cohort of US Adults.Vaccines · 2026Article
- New York City Neighborhood Wellness Survey: an expansive population-level behavioral health assessment of New York City residents, 2023.BMC public health · 2026Article
- Perceptions of COVID-19 Vaccination During Pregnancy in a Cohort of US Adults (CHASING COVID) in 2023.medRxiv : the preprint server for health sciences · 2026Article
- SARS-CoV-2 testing behavior in symptomatic adults in a U.S. national cohort, 2020-2023: influence of exposure risk, susceptibility and healthcare access.BMC public health · 2025Article
- Effect of a Third COVID-19 Vaccine Dose on the Incidence of Long COVID Among Adults Who Completed a Primary Vaccine Series: a Target Trial Emulation in a Community-Based Cohort.medRxiv : the preprint server for health sciences · 2025Article
- Natural History of Self-reported Symptoms Following SARS-CoV-2 Infection: A Target Trial Emulation in a Prospective Community-Based Cohort.medRxiv : the preprint server for health sciences · 2025Article
- Long COVID Longitudinal Symptoms Burden Clusters Within A National Community-Based Cohort.medRxiv : the preprint server for health sciences · 2025Article
- Barriers to initial COVID-19 booster among US adults who completed a primary vaccine series in the CHASING COVID cohort, September 2021-October 2022.American journal of epidemiology · 2025Article
- Persistence of anxiety and depression symptoms and their impact on the COVID-19 vaccine uptake.Epidemiology and psychiatric sciences · 2024Article
- Exploring COVID-19 Vaccine Decision Making: Insights from 'One-Shot Wonders' and 'Booster Enthusiasts'.International journal of environmental research and public health · 2024Article
- The association between emotional and physical intimate partner violence and COVID-19 vaccine uptake in a community-based U.S. Cohort.Preventive medicine reports · 2024Article
- Oral COVID-19 Antiviral Uptake Among a Highly Vaccinated US Cohort of Adults With SARS-CoV-2 Infection Between December 2021 and October 2022.Open forum infectious diseases · 2024Article
- Seroincidence of SARS-CoV-2 infection prior to and during the rollout of vaccines in a community-based prospective cohort of U.S. adults.Scientific reports · 2024Article
Corrections and comments
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Authors and funding
16 authors.
Funding
Abstract
purposeThe Communities, Households and SARS-CoV-2 Epidemiology (CHASING) COVID Cohort Study is a community-based prospective cohort study launched during the upswing of the USA COVID-19 epidemic. The objectives of the cohort study are to: (1) estimate and evaluate determinants of the incidence of SARS-CoV-2 infection, disease and deaths; (2) assess the impact of the pandemic on psychosocial and economic outcomes and (3) assess the uptake of pandemic mitigation strategies.
participantsWe began enrolling participants from 28 March 2020 using internet-based strategies. Adults≥18 years residing anywhere in the USA or US territories were eligible. 6740 people are enrolled in the cohort, including participants from all 50 US states, the District of Columbia, Puerto Rico and Guam. Participants are contacted regularly to complete study assessments, including interviews and dried blood spot specimen collection for serologic testing. FINDINGS TO DATE: Participants are geographically and sociodemographically diverse and include essential workers (19%). 84.2% remain engaged in cohort follow-up activities after enrolment. Data have been used to assess SARS-CoV-2 cumulative incidence, seroincidence and related risk factors at different phases of the US pandemic; the role of household crowding and the presence of children in the household as potential risk factors for severe COVID-19 early in the US pandemic; to describe the prevalence of anxiety symptoms and its relationship to COVID-19 outcomes and other potential stressors; to identify preferences for SARS-CoV-2 diagnostic testing when community transmission is on the rise via a discrete choice experiment and to assess vaccine hesitancy over time and its relationship to vaccine uptake. FUTURE PLANS: The CHASING COVID Cohort Study has outlined a research agenda that involves ongoing monitoring of the incidence and determinants of SARS-CoV-2 outcomes, mental health outcomes and economic outcomes. Additional priorities include assessing the incidence, prevalence and correlates of long-haul COVID-19.
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Registered trials
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