Table 1 Descriptive characteristics of the study population
| Â | Women (n= 90) | Men (n= 42) | Â | ||
|---|---|---|---|---|---|
| Â | Median | P 5 , P 95 | Median | P 5 , P 95 | P a) |
Age (y) | 75.5 | 68.0-86.5 | 76.0 | 70.0-84.7 | 0.321 |
Body mass index (kg/m2) | 26.9 | 21.1-34.5 | 26.3 | 22.9-32.3 | 0.456 |
Waist circumference (cm) | 90.0 | 71.6-108.4 | 99.0 | 84.6-113.7 | < 0.0001 |
Waist-to-hip ratio | 0.85 | 0.75-0.93 | 0.95 | 0.86-1.06 | < 0.0001 |
Total body fat (%) | 42.4 | 32.6-50.2 | 28.9 | 21.6-37.9 | < 0.0001 |
25(OH)D3 (nmol/L) | 59.4 | 40.5-90.6 | 66.9 | 39.9-88.8 | 0.132 |
iPTH (pmol/L) | 4.5 | 2.3-7.4 | 4.1 | 1.8-8.3 | 0.315 |
Systolic blood pressure (mmHg) | 140.0 | 110.0-167.8 | 130.0 | 110.0-181.9 | 0.327 |
Diastolic blood pressure (mmHg) | 72.0 | 60.0-90.0 | 70.0 | 60.0-92.4 | 0.172 |
eGFR (mL/min/1.73 m2) | 56.2 | 43.1-71.3 | 63.7 | 46.5-80.4 | < 0.0001 |
Vitamin D intake (ÎĽg/d) | 2.5 | 0.3-10.1 | 3.3 | 1.0-11.3 | 0.149 |
Calcium intake (g/d) | 1.0 | 0.5-1.7 | 1.0 | 0.6-1.6 | 0.961 |
Alcohol intake (g/d) | 2.3 | 0.0-16.1 | 5.5 | 0.0-30.0 | 0.013 |
Sun exposure (min/d) | 120.0 | 40.0-360.0 | 150.0 | 23.8-394.0 | 0.071 |
Physical activity level | 1.7 | 1.5-1.9 | 1.6 | 1.4-1.9 | 0.319 |
Current or ex-smokers, n (%) | 21 | 23.3 | 30 | 71.4 | < 0.0001 |
Vitamin D supplement users, n (%) | 13 | 14.4 | 2 | 4.8 | 0.143 |
Elevated blood pressure, n (%)b) | 38 | 42.2 | 15 | 35.7 | 0.569 |
Antihypertensive drugs, n (%) | 55 | 61.1 | 24 | 57.1 | 0.706 |