Table 2.
Characteristics of participants admitted to an intensive care unit
| Participants admitted to an ICU | |
|---|---|
| Total number | 1078 |
| Age, years (IQR) | 76.0 (71.0–81.0) |
| Alcohol, g/day (IQR) | 10.6 (2.9–22.7) |
| SAPS3 (IQR) | 67.0 (59.0–76.0) |
| Women, n (%) | 255 (23.7) |
| Marital status, n (%) | |
| Cohabiting | 866 (80.3) |
| Living alone | 212 (19.7) |
| Smoking, n (%) | |
| Never | 334 (31.0) |
| Former | 353 (32.7) |
| Current | 391 (36.3) |
| Education, n (%) | |
| < 9 years | 419 (38.9) |
| 9–12 years | 75 (7.0) |
| > 12 years | 159 (14.7) |
| Other | 425 (39.4) |
| Charlson’s weighted comorbidity index, n (%) | |
| 0 | 857 (79.5) |
| 1 | 132 (12.2) |
| 2 | 69 (6.4) |
| ≥ 3 | 20 (1.9) |
| Exercise, n (%) | |
| < 1 h/week | 260 (24.1) |
| 1 h/week | 234 (21.7) |
| 2–3 h/week | 316 (29.3) |
| 4–5 h/week | 120 (11.1) |
| > 5 h/week | 148 (13.7) |
| Walking, n (%) | |
| Hardly ever | 153 (14.5) |
| < 20 min/day | 255 (24.2) |
| 20–40 min/day | 296 (28.1) |
| 40–60 min/day | 167 (15.9) |
| > 60 min/day | 182 (17.3) |
| Physical activity at work, n (%) | |
| Mostly sitting | 220 (21.9) |
| Sitting half time | 314 (31.2) |
| Standing, walking | 312 (31.0) |
| Lifting | 159 (15.8) |
| Reading/TV, n (%) | |
| < 1 h/day | 132 (12.4) |
| 1–2 h/day | 508 (47.6) |
| 3–4 h/day | 368 (34.5) |
| > 5 h/day | 59 (5.5) |
| Household physical activity, n (%) | |
| < 1 h/day | 319 (30.4) |
| 1–2 h/day | 470 (44.7) |
| 3–4 h/day | 177 (16.8) |
| > 5 h/day | 85 (8.1) |
| Mechanical ventilation, n (%) | 388 (36.0) |
| Noninvasive ventilation, n (%) | 276 (25.6) |
| High-flow oxygen, n (%) | 189 (17.5) |
| Renal replacement therapy, n (%) | 97 (9.0) |
| ICU mortality, n (%) | 204 (18.9) |
ICU intensive care unit, IQR interquartile range, SAPS3 Simplified Acute Physiology Score 3