Table 2 Weight outcomes by joining BMI category for all members and high engagers (defined as those recording ≥ 9 follow-up weights)
BMI Category | Change in BMI | Change in Kg | Change in %weight | |
|---|---|---|---|---|
All study population | 23–25 (n = 1764) | -0.7 ± 0.7 | -2.1 ± 2.1 | -3.1 ± 3.1 |
25- < 30 (n = 8426) | -0.8 ± 0.9 | -2.3 ± 2.5 | -3 ± 3.2 | |
30- < 35 (n = 7963) | -1 ± 1 | -2.6 ± 2.8 | -2.9 ± 3.2 | |
35- < 40 (n = 4987) | -1.1 ± 1.2 | -2.9 ± 3.2 | -2.9 ± 3.1 | |
40 + (n = 4108) | -1.3 ± 1.4 | -3.6 ± 3.8 | -2.9 ± 3 | |
High engagers | 23–25 (n = 619) | -1.1 ± 0.9 | -3.1 ± 2.4 | -4.6 ± 3.5 |
25- < 30 (n = 3113) | -1.3 ± 1 | -3.5 ± 2.8 | -4.6 ± 3.5 | |
30- < 35 (n = 2770) | -1.5 ± 1.2 | -4.2 ± 3.3 | -4.7 ± 3.6 | |
35- < 40 (n = 1680) | -1.7 ± 1.3 | -4.8 ± 3.6 | -4.7 ± 3.5 | |
40 + (n = 1349) | -2.1 ± 1.6 | -5.9 ± 4.4 | -4.7 ± 3.5 |