Why the study?
How do the relative proportions of 24-hour movement behaviors (MVPA, LPA, sleep) associate with cardiometabolic and physical health indicators in adults and older adults?
How do the relative proportions of 24-hour movement behaviors (MVPA, LPA, sleep) associate with cardiometabolic and physical health indicators in adults and older adults?
The study reinforces the importance of moderate-to-vigorous physical activity for cardiometabolic and mental health when considered relative to other 24-hour movement behaviors.
Supports MVPA emphasis in 24-h compositions; leaves open causal effects on cardiometabolic and mental health.
= 1454). For adults, beneficial associations were observed between larger proportions of MVPA relative to time in other behaviours and body mass index (BMI), waist circumference, aerobic fitness, resting heart rate, high-density lipoprotein (HDL) cholesterol, triglycerides, blood glucose and insulin levels. More time spent in sleep relative to other movement behaviours was deleteriously associated with aerobic fitness, HDL cholesterol, insulin, C-reactive proteins and grip strength but beneficially with low-density lipoprotein cholesterol. Relative time spent in LPA was deleteriously associated with BMI and beneficially with triglycerides and grip strength. In older adults, these associations were blunted or disappeared but larger proportions of MVPA were associated with better mental health. The importance to health of MVPA when explicitly considered relative to other movement behaviours was confirmed.
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McGregor et al. (2018) studied this question.
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