ArticleCirculation reports2026
Differential Agreement of Self-Reported Sedentary Behavior and Physical Activity With Accelerometer Measures in Adults With Congenital Heart Disease.
Article in Circulation reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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7 authors.
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Abstract
Background: Physical activity influences functional capacity and long-term health in adults with congenital heart disease (ACHD), but the accuracy of self-reported activity remains uncertain. Methods and Results: In this cross-sectional study, subjects with ACHD underwent physical activity assessment using triaxial accelerometers to quantify sedentary behavior (SB), light physical activity (LPA), and moderate-to-vigorous physical activity (MVPA). Participants were classified into 4 activity profiles based on cohort-specific median values of accelerometer-derived SB time and MVPA. Self-reported activity and SB time were assessed using the International Physical Activity Questionnaire (IPAQ) short form. Agreement between self-reported and accelerometer-derived measures was evaluated, and receiver operating characteristic analysis was performed. Among the 177 participants analyzed, accelerometer-derived SB, LPA, and MVPA, as well as IPAQ-derived SB time, differed significantly across activity profiles (all P<0.001). IPAQ-derived SB time showed good discrimination for identifying the sedentary-inactive profile (area under the curve [AUC]: 0.811). In contrast, IPAQ-derived MVPA showed limited discrimination (AUC: 0.663), largely owing to a pronounced floor effect, with more than half of the participants reporting 0 min of MVPA per week. Conclusions: IPAQ-reported SB time showed reasonable agreement with objectively measured SB and may be useful for identifying sedentary-inactive individuals with ACHD. However, IPAQ-derived MVPA demonstrated limited agreement with accelerometer-based measures and should be interpreted cautiously.
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