Cancer Medicine (Jul 2023)
Impact of comorbidities on people with and without cancer early in the COVID‐19 pandemic: An observational study
Abstract
Abstract Background The present study sought to investigate how comorbidity burden influences cancer survivors' quality of life (QoL) and the challenges/adaptations during the coronavirus disease 2019 (COVID) pandemic, and to examine how appraisal processes are related to this impact. Methods This cross‐sectional study, administered in spring/summer 2020, compared cancer survivors to a general‐population comparison sample. QoL was assessed with standardized tools. COVID‐specific questions included selected items compiled by the US National Institutes of Health, and cognitive appraisal processes were assessed using the QoL Appraisal Profilev2 Short‐Form. Principal components analysis reduced the number of comparisons. Multivariate analysis of covariance investigated group differences in QoL, COVID‐specific variables, and cognitive‐appraisal processes. Linear regression investigated group differences in COVID‐specific variables as a function of cognitive‐appraisal processes, QoL, demographic covariates, and their interactions. Results Cancer survivors fared substantially better than non‐cancer participants in QoL and cognitive functioning when they had no other comorbidities, but substantially worse on QoL when they had three or more comorbidities. Cancer survivors with no comorbidities were less likely to feel worried about COVID, less likely to engage in self‐protection, and prioritized engaging in problem‐focused and prosocial actions compared to non‐cancer participants. Conversely, cancer survivors confronted with multiple comorbidities exhibited more proactive self‐protection and experienced more anxiety about the pandemic. Conclusion The impact of having multiple comorbidities in the context of cancer is associated with notable differences in social determinants of health, QoL outcomes, COVID‐specific challenges/adaptations, and appraisal of QoL. These findings provide an empirical basis for implementing appraisal‐based coping interventions.
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