ArticleHealth science reports2026
The Role of Health-Related Factors in the Prevalence and Severity of COVID-19: A Retrospective Cohort Study Based on Sabzevar Persian Cohort Data.
Article in Health science reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background and Aims: Identifying the health-related risk factors for COVID-19 may improve future prevention strategies. This study aimed to investigate the association between pre-pandemic health-related factors and the prevalence and severity of COVID-19 using data from the Sabzevar center of the PERSIAN cohort study. Methods: This retrospective cohort study included 4241 individuals aged 35-70 from the Sabzevar PERSIAN cohort. Health-related baseline data (demographic, anthropometric, biochemical, and chronic disease history) collected between 2017 and 2018 were linked with SARS-CoV-2 PCR test results and clinical outcomes (outpatient, hospitalization, or ICU admission/death) recorded in the health information system (HIS) between 2019 and early 2021. Descriptive and inferential statistical analyses were performed using Results: SARS-CoV-2 positivity was confirmed in 423 individuals (10%). Diabetes and lower education levels were significantly associated with SARS-CoV-2 infection ( Conclusion: Pre-existing health-related factors-especially chronic diseases and demographic characteristics like age and education-are associated with both the likelihood of infection and the severity of COVID-19. These findings highlight the importance of targeted preventive strategies for at-risk populations, particularly the elderly and those with underlying conditions.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.