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Lear, Rebecca; Metcalf, Brad; Hillsdon, Melvyn; Bond, Bert; Koster, Annemarie; Vandercappellen, Evelien; Galan, Bastiaan; Berendschot, Tos T. J. M.; Houben, Alfons; Kooman, Jeroen; Kroon, Abraham A.; Bosma, Hans; Eussen, Simone J. P. M.; Pulsford, Richard
Scandinavian journal of medicine & science in sports, 20/May , Volume: 34, Issue: 5Journal Article
While physical activity (PA) is understood to promote vascular health, little is known about whether the daily and weekly patterns of PA accumulation associate with vascular health. Accelerometer‐derived (activPAL3) 6‐ or 7‐day stepping was analyzed for 6430 participants in The Maastricht Study (50.4% women; 22.4% Type 2 diabetes mellitus (T2DM)). Multivariable regression models examined associations between stepping metrics (average step count, and time spent slower and faster paced stepping) with arterial stiffness (measured as carotid–femoral pulse wave velocity (cfPWV)), and several indices of microvascular health (heat‐induced skin hyperemia, retinal vessel reactivity and diameter), adjusting for confounders and moderators. PA pattern metrics were added to the regression models to identify associations with vascular health beyond that of stepping metrics. Analyses were stratified by T2DM status if an interaction effect was present. Average step count and time spent faster paced stepping was associated with better vascular health, and the association was stronger in those with compared to those without T2DM. In fully adjusted models a higher step count inter‐daily stability was associated with a higher (worse) cfPWV in those without T2DM (std β = 0.04, p = 0.007) and retinal venular diameter in the whole cohort (std β = 0.07, p = 0.002). A higher within‐day variability in faster paced stepping was associated with a lower (worse) heat‐induced skin hyperemia in those with T2DM (std β = −0.31, p = 0.008). Above and beyond PA volume, the daily and weekly patterns in which PA was accumulated were additionally associated with improved macro‐ and microvascular health, which may have implications for the prevention of vascular disease.
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