Baseline characteristics of the subjects by total ST level
| Characteristic | Male | Female | p-value |
|||||
|---|---|---|---|---|---|---|---|---|
| ST ＜7 hr/day (n=520) |
ST ≥7 hr/day (n=286) |
p-value | ST ＜7 hr/day (n=636) |
ST ≥7 hr/day (n=239) |
p-value | |||
| Age (yr) | 56.89±6.27 | 57.49±6.54 | 0.202 | 56.63±6.05 | 56.18±6.49 | 0.337 | 0.063 | |
| SBP (mm Hg) | 113.15±10.34 | 112.57±10.24 | 0.390 | 108.62±12.01 | 106.87±12.44 | 0.030 | <0.001 | |
| DBP (mm Hg) | 75.19±7.44 | 75.45±7.32 | 0.735 | 71.04±7.90 | 70.45±8.26 | 0.127 | <0.001 | |
| Resting heart rate (beat/min) | 61.11±6.83 | 61.36±6.77 | 0.806 | 61.23±6.27 | 62.41±6.83 | 0.144 | 0.363 | |
| Sleep time (hr/day) | 6.39±0.98 | 6.31±0.99 | 0.251 | 6.05±1.06 | 5.90±1.11 | 0.070 | <0.001 | |
| Prevalence of DM (%) | 8.65 | 10.49 | 0.391 | 5.66 | 5.44 | 0.899 | 0.003 | |
| Prevalence of hyperlipidemia (%) | 57.50 | 64.69 | 0.046 | 68.55 | 63.60 | 0.164 | 0.003 | |
| Body mass index (kg/m2) | 24.18±2.64 | 24.45±2.82 | 0.185 | 24.07±2.82 | 24.51±2.82 | 0.041 | 0.519 | |
| eGFR (mL/min/1.73 m2) | 93.06±16.39 | 92.86±15.98 | 0.866 | 100.26±19.09 | 98.84±19.00 | 0.326 | <0.001 | |
| hs-CRP (mg/dL) | 1.40±3.64 | 1.38±2.94 | 0.941 | 1.17±3.04 | 1.35±2.43 | 0.434 | 0.253 | |
| Current drinking (%) | 65.96 | 73.08 | 0.101 | 25.00 | 23.43 | 0.829 | <0.001 | |
| Current smoking (%) | 23.85 | 29.02 | 0.267 | 1.42 | 1.67 | 0.956 | <0.001 | |
| Low income (%) | 5.38 | 6.99 | 0.279 | 12.74 | 11.72 | 0.868 | <0.001 | |
| Leisure time PA ≥150 min/wk (%) | 54.23 | 56.29 | 0.573 | 49.37 | 48.95 | 0.912 | 0.018 | |
| Total PA (min/wk) | 672.97±666.55 | 378.47±381.22 | <0.001 | 555.36±517.88 | 360.16±351.32 | <0.001 | 0.013 | |
| Total ST (min/day) | 247.61±88.79 | 547.25±111.05 | <0.001 | 264.68±81.56 | 511.07±89.64 | <0.001 | 0.004 | |
| Weekday ST (min/day) | 249.70±101.53 | 568.11±122.74 | <0.001 | 268.34±91 | 526.56±106.88 | <0.001 | 0.003 | |
| Weekend ST (min/day) | 242.40±108.45 | 495.10±160.24 | <0.001 | 255.51±99.92 | 472.34±127.00 | <0.001 | 0.028 |
Values are presented as mean±standard deviation or percentage only.
ST: sitting time: SBP: systolic blood pressure, DBP: diastolic blood pressure, DM: diabetes mellitus, eGFR: estimated glomerular filtration rate, hs-CRP: high sensitivity C-reactive protein, PA: physical activity.
*Difference between male and female.
