Table 1.
Baseline characteristics and weight-loss interventions for the study cohort at the start of follow-up.
| Total | Stable weight | Weight loss | |
|---|---|---|---|
| N | 571,961 | 523,138 | 48,823 |
| Sex, men (%) | 281,144 (49.2) | 263,043 (50.3) | 18,101 (37.1) |
| Smoking, ever (%) | 317,679 (55.5) | 288,378 (55.1) | 29,301 (60.0) |
| Median age, year (IQR) | 55 (45, 63) | 55 (45, 63) | 54 (44, 63) |
| Median weight year 1, kg (IQR) | 87.1 (77.0, 99.6) | 86.0 (76.2, 98.0) | 98.4 (87.0, 13.0) |
| Median BMI year 1, kg/m2 (IQR) | 30.3 (27.5, 34.2) | 29.9 (27.3, 33.5) | 35.3 (32.0, 40.0) |
| Median BMI year 4, kg/m2 (IQR) | 30.1 (27.4, 33.8) | 30.0 (27.4, 33.7) | 30.4 (27.5, 34.4) |
| Median weight change, % (IQR) | +0.3 (−2.4, 3.0) | +0.8 (−1.6, 3.0) | −12.5 (−15.3, −11.0) |
| Median follow-up, years (IQR) | 6.3 (3.4, 9.2) | 6.4 (3.4, 9.3) | 5.7 (2.8, 8.3) |
| Weight-loss intervention | |||
| Patient-initiated diet, n (%) | 213,490 (37.3) | 187,744 (35.9) | 25,746 (52.7) |
| Dietary advice, n (%) | 181,643 (31.8) | 153,534 (29.3) | 28,109 (57.6) |
| Weight-loss medication, n (%) | 55,113 (9.6) | 41,943 (8.0) | 13,170 (27.0) |
| Bariatric surgery, n (%) | 643 (0.11) | 100 (0.02) | 543 (1.11) |
BMI body mass index, IQR interquartile range.