Baseline characteristics of participants
| Cohort (n=1055) | |
|---|---|
| Patient characteristics | |
| Age (years in 2003, mean±SD) | 80.0±2.6 |
| Body mass index at entry (kg/m², mean±SD) | 27.2±4.5 |
| Body mass index at 60 m (kg/m², mean±SD) | 27.2±4.7 |
| Systolic blood pressure (mm Hg, mean±SD) | 137.8±18.1 |
| Diastolic blood pressure (mm Hg, mean±SD) | 73.1±10.9 |
| Previous and current smokers (n, %) | 375 (35.6) |
| Diabetes (n, %) | 53 (5.0) |
| Prevalent acute/chronic kidney disease (n, %) | 0 (0.0) |
| Prevalent cardiovascular disease (n, %) | 227 (21.5) |
| Socioeconomic status (n, %)* | |
| Top 10% most highly disadvantaged | 42 (4.0) |
| Highly disadvantaged | 126 (11.9) |
| High–medium disadvantaged | 172 (16.3) |
| Medium–low disadvantaged | 162 (15.4) |
| Low disadvantaged | 213 (20.2) |
| Top 10% least disadvantaged | 333 (31.6) |
| Medication use (n, %) | |
| Aspirin | 194 (18.4) |
| Statin | 198 (18.8) |
| Treatment with calcium supplements (n, %) | 536 (50.8) |
| Total and type of fluid composition in cups/day (median, IQR) | |
| Total fluid | 10.4 (8.5–12.5) |
| Water | 4 (2–6) |
| Black tea | 3 (1–4) |
| Coffee | 1 (0–2) |
| Milk | 1.5 (0.8–1.5) |
| Other fluids | 0.4 (0–1) |
Data expressed as number (percentage), mean±SD or as median (IQR).
*Missing socioeconomic status (n=7).