Table 2. Comparison of arterial stiffness and cardiac autonomic modulation among tertiles of minutes spent in sedentary activities and light physical activities.
Minutes per day in sedentary activities | Minutes per day in light physical activities | |||||
---|---|---|---|---|---|---|
Low(< 492.42) | Mean(492.42–570.67) | High(> 570.67) | Low(< 297.54) | Mean(297.54–356.86) | High(>356.86) | |
AI (%) | 32.8 ± 11.5 | 29.8 ± 10.2 | 32.3 ± 8.0 | 30.2 ± 10.3 | 32.4 ± 11.4 | 32.3 ± 8.2 |
PWV (m/s) †† | 10.1 ± 1.5 | 9.9 ± 2.1 | 10.5 ± 2.8 | 10.6 ± 3.1 | 10.2 ± 1.9 | 9.9 ± 1.6 |
LF (n.u) | 47.9 ± 20.9 | 53.8 ± 20.3 | 54.2 ± 20.5 | 54.1 ± 22.0 | 51.9 ± 19.3 | 51.3 ± 20.4 |
HF (n.u.) | 48.0 ± 20.1 | 54.9 ± 21.3 | 54.2 ± 19.8 | 45.9 ± 22.0 | 48.2 ± 19.3 | 48.7 ± 20.4 |
Low = 1st tertile; Mean = 2nd tertile; high = 3rd tertile; AI = augmentation index; PWV = pulse wave velocity; LF = low-frequency; HF = high frequency.
†† n = 55.