Table 5 Univariate and multivariate linear regression models for 24-h standard deviation of SBP
Univariate | Multivariate | |||||
|---|---|---|---|---|---|---|
β | t | P | β | t | P | |
Female n (%) | − 0.211 | 0.633 | 0.527 | |||
Age (years) | 0.028 | 2.154 | 0.032 | 0.025 | 1.783 | 0.075 |
Diabetes mellitus | − 0.207 | 0.424 | 0.672 | |||
Current smoker n (%) | − 0.029 | 0.071 | 0.944 | |||
CAD n (%) | 0.365 | 0.676 | 0.499 | |||
PCI n (%) | − 0.427 | 0.389 | 0.698 | |||
Previous myocardial infarction n (%) | − 2.004 | 1.829 | 0.068 | |||
Family history of hypertension n (%) | − 0.759 | − 0.894 | 0.372 | |||
Educational Qualifications n (%) | − 0.262 | 2.056 | 0.040 | − 0.181 | 1.312 | 0.190 |
BMI (kg/m2) | -0.052 | 1.050 | 0.295 | |||
hs-CRP (mg/L) | 0.172 | 0.629 | 0.530 | |||
HDL-C (mmol/L) | 0.825 | 1.454 | 0.147 | |||
LDL-C (mmol/L) | 0.145 | 0.697 | 0.486 | |||
TC (mmol/L) | 0.054 | 0.333 | 0.740 | |||
TG (mmol/L) | − 0.247 | 1.714 | 0.087 | |||
ApoA1 (g/L) | 0.885 | 1.453 | 0.147 | |||
ApoB (g/L) | − 0.226 | 0.428 | 0.669 | |||
Lp (a) (g/L) | 0.001 | 0.129 | 0.897 | |||
Creatinine (mmol/L) | 0.001 | 0.125 | 0.901 | |||
Uric acid (mmol/L) | − 0.001 | 0.541 | 0.589 | |||
Fasting glucose (mmol/L) | 0.018 | 0.134 | 0.894 | |||
Season classification | ||||||
Spring VS Summer | 0.661 | 1.246 | 0.213 | 0.592 | 1.121 | 0.263 |
Autumn VS Summer | 0.347 | 0.717 | 0.474 | 0.323 | 0.671 | 0.503 |
Winter VS Summer | 1.783 | 3.561 | < 0.001 | 1.851 | 3.719 | < 0.001 |