Table 1.
Study population characteristics at the health examination at baseline, according to cardiorespiratory fitness (CRF) tertiles (n = 1997)
| Characteristics | CRF tertiles [kJ/kg] | ||
|---|---|---|---|
| 1 [<118.9] n = 667 | 2 [119‐161.4] n = 665 | 3 [≥161.5] n = 665 | |
| Age years, mean (SD) | 52.4 (5.2) | 49.9 (5.0) | 46.9 (4.8) |
| <45, n (%) | 66 (14.1) | 132 (28.1) | 271 (57.8) |
| 45–49, n (%) | 139 (24.5) | 206 (36.3) | 223 (39.2) |
| 50–54, n (%) | 218 (39.6) | 209 (38.0) | 123 (22.4) |
| ≥55, n (%) | 245 (59.7) | 118 (28.8) | 47 (11.5) |
| CRF kJ/kg, mean (SD) | 91.9 (19.9) | 139.1 (12.3) | 207.9 (50.7) |
| Weight kg, mean (SD) | 76.8 (11.1) | 77.2 (9.5) | 76.5 (9.0) |
| Height cm, mean (SD) | 175.3 (6.1) | 176.8 (5.9) | 178.1 (6.2) |
| BMI kg/m2, mean (SD) | 24.9 (3.1) | 24.7 (2.7) | 24.1 (2.3) |
| <25, n (%) | 365 (30.0) | 386 (31.7) | 467 (38.3) |
| ≥25, n (%) | 312 (39.6) | 279 (35.4) | 197 (25.0) |
| Smoking ever, n (%) | 521 (78.1) | 509 (76.5) | 465 (69.9) |
| Cholesterol mmol/L, mean (SD) | 6.8 (1.2) | 6.7 (1.1) | 6.5 (1.2) |
| Blood pressure, mm/Hg, mean (SD) | |||
| Systolic | 135.3 (19.8) | 129.9 (16.8) | 125.1 (15.0) |
| Diastolic | 89.3 (10.8) | 87.1 (10.0) | 84.9 (9.8) |
SD, standard deviation; BMI, body mass index.