Association of long COVID with health-related quality-of-life outcomes

Authors

Publication Date

12-1-2026

Document Type

Article

Publication Title

Scientific Reports

Abstract

The association of long COVID with health-related quality-of-life (HrQOL) has not been well-characterized. Participants who received blinded placebo in the ACTIV-2/A5401 outpatient COVID-19 treatment trial were included in an analysis of the association of long COVID with HrQOL (both pre-specified exploratory trial endpoints) 9 months after acute COVID-19. Long COVID was defined as presence of self-assessed COVID-19 symptoms and HrQOL was assessed with EQ-5D-5L and SF-36v2 questionnaires. Associations were evaluated by Fisher’s exact tests and Wilcoxon rank-sum tests. Of 546 participants, 13% had long COVID. Long COVID was associated with greater risk of reported problems in the EQ-5D-5L dimensions of mobility, usual activities, pain/discomfort, and anxiety/depression (risk ratios 3.45–6.00, all p < 0.001) and worse self-reported health scores (median 80 vs. 95, p < 0.001). Participants with long COVID also had worse SF-36v2 composite physical and mental component scores (both p < 0.001) and individual SF-36 domain scores (physical functioning, physical role, bodily pain, general health, vitality, social functioning, emotional role, and mental health; all p < 0.001). Associations were similar regardless of baseline (pre-COVID-19) medical history. Long COVID is associated with impaired HrQOL across multiple domains, highlighting the need to develop preventative and therapeutic interventions for this protean condition.

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