Table 2.
Univariate linear regression analyses between blood pressure and other parameters a)
| Women (n = 90) | Men (n = 42) | |||
| SBP | DBP | SBP | DBP | |
| SBP (mmHg) | - | 0.516 **** | - | 0.698 **** |
| 25-Hydroxyvitamin D3 (nmol/L) | -0.068 | -0.005 | -0.388 * | -0.235 |
| Intact parathyroid hormone (pmol/L) | -0.007 | -0.087 | 0.101 | 0.088 |
| eGFR (mL/min/1.73 m2) | -0.019 | 0.123 | -0.139 | 0.060 |
| Age (y) | -0.026 | -0.300 ** | 0.099 | 0.088 |
| Body mass index (kg/m2) | 0.276 ** | 0.154 | 0.229 | 0.211 |
| Waist circumference (cm) | 0.230 * | 0.090 | 0.282 | 0.342 * |
| Waist-to-hip ratio | 0.167 | 0.019 | 0.411 ** | 0.423 ** |
| Total body fat (%) | 0.382 *** | 0.194 | 0.012 | 0.071 |
| Vitamin D intake (μg/d) | -0.019 | -0.169 | 0.082 | -0.024 |
| Calcium intake (mg/d) | -0.086 | -0.027 | -0.105 | -0.365 * |
| Alcohol intake (g/d) | -0.059 | 0.112 | -0.039 | 0.158 |
| Sun exposure (min/d) | -0.032 | -0.078 | 0.021 | -0.066 |
| Physical activity level | -0.158 | -0.194 | -0.068 | -0.095 |
| Current or past smoking b) | -0.103 | -0.116 | 0.136 | -0.007 |
| Antihypertensive medication b) | 0.332** | 0.281** | 0.230 | 0.131 |
| Vitamin D supplement use b) | -0.031 | 0.041 | 0.010 | 0.098 |
Abbreviations: SBP, systolic blood pressure; DBP, diastolic blood pressure; eGFR, estimated glomerular filtration rate.
a) Univariate regression analyses with SBP and DBP as dependent variables. The shown values represent the standardised coefficient β. * P < 0.05; ** P < 0.01; *** P < 0.001; ****P < 0.0001.
b) Dummy variable (no/yes).