Key result
Physical activity ≥500 MET·min/week linked to ~28% lower odds of abnormal CCA IMT in older adults.
Why the study?
The study was conducted to examine the association between self-reported physical activity and mean common carotid artery intima-media thickness among older adults.
Does meeting physical activity guidelines reduce the odds of abnormal carotid intima-media thickening in healthy older adults?
Observational (n=1,811)
Does meeting physical activity guidelines reduce the odds of abnormal carotid intima-media thickening in healthy older adults?
Meeting physical activity guidelines is associated with a significantly lower risk of abnormal carotid intima-media thickening in healthy older adults.
May support activity assessment in healthy older adults; leaves open causality for carotid thickening pending trials.
The purpose of this study was to examine the association between self-reported physical activity (PA) and mean common carotid artery intima-media thickness (CCA IMT) among older adults. The data are from 1,811 Cooper Center Longitudinal Study participants, who were aged ≥60 years, with no history of cardiovascular disease. A medical history questionnaire was used to assess PA. Carotid ultrasound was performed to measure CCA IMT and the presence of plaque and stenosis. Logistic regression models were constructed to estimate the association between PA and CCA IMT after adjustment for covariates. The participants were aged 69.2 ± 5.9 years, and the majority were male (73.3%) and White (96.7%). The odds ratio of abnormal thickening of CCA IMT was 0.72 (95% confidence interval [0.54, 0.96]) in physically active participants (≥500 metabolic equivalent·min/week) after adjustment for covariates. In the current study, meeting PA guidelines in older adulthood was associated with lower odds of abnormal thickening of CCA IMT.
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Lee et al. (2019) conducted an observational in Healthy older adults without cardiovascular disease (n=1,811). Physical activity (≥500 MET·min/week) vs. Less physical activity was evaluated on Abnormal thickening of CCA IMT (OR 0.72, 95% CI 0.54, 0.96). Self-reported physical activity of ≥500 MET·min/week was associated with lower odds of abnormal carotid intima-media thickening in healthy older adults (OR 0.72; 95% CI 0.54-0.96).
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