4.5 Article

Ambivalence is associated with decreased physical activity and cardiorespiratory fitness among adolescents with critical congenital heart disease

Journal

HEART & LUNG
Volume 58, Issue -, Pages 198-203

Publisher

MOSBY-ELSEVIER
DOI: 10.1016/j.hrtlng.2022.12.014

Keywords

Adolescents; Ambivalence; Cardiorespiratory fitness; Congenital heart disease; Physical activity; Sedentary behavior

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Adolescents with congenital heart disease (CHD) have insufficient physical activity levels, and ambivalence towards physical activity is associated with sedentary behavior, moderate-to-vigorous physical activity (MVPA), and cardiorespiratory fitness among this population. Screening for ambivalence may help identify those who can benefit from physical activity-related education.
Background: Adolescents with congenital heart disease (CHD) are insufficiently physically active. Given that increasing physical activity may reduce their cardiovascular risk, it is important to identify correlates of this behavior. Perceived benefits of and barriers to physical activity are associated with physical activity engage-ment. Existing research has only considered these constructs separately. This population may be ambivalent toward physical activity (i.e., perceive both strong benefits and barriers). The association of ambivalence and physical activity related outcomes is unknown among this at-risk population.Objective: Determine the association of ambivalence and sedentary behavior, moderate-to-vigorous physical activity (MVPA), and cardiorespiratory fitness (VO2Peak) among adolescents with CHD.Methods: The present study is an analysis of data from an eligibility assessment fora randomized clinical trial of an intervention to promote MVPA among adolescents aged 15 to 18 years with moderate or complex CHD. Participants (N = 84) completed a survey assessing perceived benefits and barriers from which ambivalence toward physical activity was calculated, an exercise stress test to measure VO2Peak, and wore an accelerome-ter for one week to determine their engagement in sedentary behavior and MVPA. Linear regression analyses determined associations between ambivalence and physical activity related outcomes.Results: Greater ambivalence toward physical activity was associated with increased sedentary behavior, decreased MVPA, and reduced VO2Peak, adjusting for demographic and clinical covariates.Conclusions: Ambivalence is associated with objectively measured physical activity (sedentary behavior, MVPA) and a biomarker of cardiovascular health (VO2Peak). Screening for ambivalence may help clinicians identify those most likely to benefit from physical activity-related education.(c) 2022 Elsevier Inc. All rights reserved.

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