Research Article
A Digital Health Weight Loss Program in 250,000 Individuals
Table 3
Weight loss results for users with BMI ≥ 23.0 kg/m2.
| | | Overweight (23∼25) | Preobese (25∼30) | Obesity class I (30∼35) | Obesity class II (35∼40) | Obesity class III (>40) |
| | Baseline |
| | N | 49298 | 87362 | 27993 | 6199 | 1612 | | BMI (SD) | 24 (0.57) | 27.1 (1.40) | 31.9 (1.37) | 36.9 (1.36) | 42.7 (2.33) | | Weight (kg) (SD) | 62.9 (5.24) | 72.9 (8.16) | 88.3 (9.88) | 104 (11.8) | 122 (14.4) | | %EW (SD) | 4.47 (2.31) | 15.4 (4.32) | 28.1 (3.03) | 37.8 (2.25) | 46.2 (2.78) |
| | 42 days | | Weight loss (kg) (±CI) | −3.3 (0.03) | −4.8 (0.02) | −6.6 (0.05) | −7.9 (0.14) | −8.9 (0.30) | | %EWL (±CI) | 5.37 (0.05) | 6.64 (0.05) | 7.46 (0.09) | 7.6 (0.20) | 7.35 (0.38) | | BMI loss (kg/m2) (±CI) | −1.3 (0.01) | −1.8 (0.01) | −2.4 (0.02) | −2.8 (0.05) | −3.2 (0.12) |
| | 60 days | | Weight loss (kg) (±CI) | −3.9 (0.04) | −5.8 (0.03) | −8.1 (0.07) | −9.9 (0.18) | −11 (0.40) | | %EWL (±CI) | 6.25 (0.06) | 7.94 (0.04) | 9.22 (0.08) | 9.5 (0.17) | 9.41 (0.35) | | BMI loss (kg/m2) (±CI) | −1.5 (0.01) | −2.2 (0.01) | −3.0 (0.02) | −3.5 (0.06) | −4.1 (0.15) |
| | 90 days | | Weight loss (kg) (±CI) | −4.2 (0.05) | −6.6 (0.05) | −9.8 (0.27) | −12 (0.27) | −15 (0.63) | | %EWL (±CI) | 6.7 (0.08) | 9.09 (0.06) | 11.1 (0.12) | 11.8 (0.26) | 12.3 (0.53) | | BMI loss (kg/m2) (±CI) | −1.6 (0.02) | −2.5 (0.02) | −3.6 (0.04) | −4.4 (0.09) | −5.4 (0.24) |
| | 120 days | | Weight loss (kg) (±CI) | −4 (0.06) | −6.6 (0.05) | −10 (0.13) | −13 (0.37) | −16 (0.82) | | %EWL (±CI) | 6.46 (0.09) | 9.13 (0.07) | 11.6 (0.14) | 13 (0.35) | 13.3 (0.68) | | BMI loss (kg/m2) (±CI) | −1.6 (0.02) | −2.5 (0.02) | −3.7 (0.05) | −4.8 (0.13) | −5.7 (0.30) |
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