| | LOCF | Completers | 12-13 wk | 24–26 wk | 52 wk | 12-13 wk | 24–26 wk | 52 wk |
| Δweight (kg) | Calorie, food, meal plan1 | −2.75 ± 0.02 | −3.51 ± 0.11 | −3.29 ± 0.17 | −4.36 ± 0.03 | −26.50 ± 0.11 | −6.86 ± 0.09 | Internet2 | −3.94 ± 0.25 | −4.53 ± 0.32 | −7.60 ± 0.75 | −5.45 ± 0.20 | −7.53 ± 0.34 | −8.30 ± 0.85 | MBNP3 | +0.76 ± 0.22 | +0.37 ± 0.26 | −0.67 ± 0.20 | +0.46 ± 0.21 | −1.72 ± 0.23 | −2.85 ± 0.21 | Prepackaged meals4 | | | | −3.56 ± 0.76 | −4.10 ± 0.28 | −3.24 ± 0.43 | Meal replacement5 | +0.06 ± 0.51 | +3.59 ± 0.32 | +5.7 ± 0.91 | −1.29 ± 0.06 | −0.91 ± 0.12 | −0.76 ± 0.13 |
| Δ% weight | Calorie, food, meal plan1 | −2.86 ± 0.03 | −3.19 ± 0.11 | | −4.23 ± 0.04 | −5.37 ± 0.13 | −1.88 ± 0.21 | Internet2 | −3.95 ± 0.26 | −4.56 ± 0.32 | −7.89 ± 0.80 | −5.65 ± 0.21 | −7.79 ± 0.36 | –10.06 ± 0.67 | Prepackaged meals4 | | | −2.30 ± 0.04 | −1.66 ± 0.04 | −1.74 ± 0.07 | +0.11 ± 0.12 | Meal replacement5 | +1.22 ± 0.5 | +3.78 ± 0.27 | | −1.19 ± 0.06 | −1.26 ± 0.11 | −11.44 ± 0.60 |
| ΔBMI (kg/m2) | Calorie, food, meal plan1 | −1.01 ± 0.01 | −1.25 ± 0.04 | −0.82 ± 0.20 | −1.60 ± 0.02 | −2.23 ± 0.05 | −2.98 ± 0.15 | Internet2 | −1.41 ± 0.08 | −1.65 ± 0.10 | | −1.89 ± 0.07 | −2.43 ± 0.13 | | Prepackaged meals4 | | | | | −2.22 ± 0.42 | −2.21 ± 0.70 | Meal replacement5 | | −1.02 ± 0.36 | −2.25 ± 0.32 | −0.68 ± 0.16 | −2.90 ± 0.39 | −4.54 ± 0.40 |
| ≥5% weight loss (%) | Calorie, food, meal plan1 | 26.02 ± 0.25 | 12.95 ± 0.74 | 17.14 ± 2.65 | 35.36 ± 0.39 | 15.74 ± 0.70 | 33.73 ± 1.27 | Internet2 | 37.90 ± 2.67 | 32.1 ± 2.80 | | 44.12 ± 2.46 | 46.86 ± 3.34 | 46.97 ± 7.00 | MBNP3 | | | | | | 17.09 ± 2.23 | Prepackaged meals4 | | | | | | 24.21 ± 3.57 | Meal replacement5 | | −5.30 ± 2.65 | | −8.33 ± 0.50 | −5.85 ± 0.55 | 1.68 ± 1.05 |
| ≥10% weight loss (%) | Calorie, food, meal plan1 | 17.76 ± 0.25 | 22.9 ± 0.95 | | 36.79 ± 0.50 | 30.65 ± 0.85 | 34.77 ± 1.47 | Internet2 | | | | 15.51 ± 3.51 | | | MBNP3 | | | | | | 21.08 ± 2.33 | Prepackaged meals4 | | | | | | 25.84 ± 4.49 | Meal replacement5 | | −1.92 ± 2.85 | | 9.43 ± 0.47 | 6.52 ± 0.93 | 1.68 ± 1.29 |
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Negative values means greater JumpstartMD weight loss for ∆weight, ∆%weight, and ∆BMI, positive values means greater JumpstartMD weight loss ≥5% and ≥10% weight loss. Individual study results are presented in Figures 5– 15. 1Weight Watchers [ 6, 8, 11– 14, 31– 42], Slimming World [ 12, 13, 15– 17, 20– 22, 37, 43], Rosemary Conley [ 12, 13, 37, 42], and Itrim [ 26]. 2Biggest Loser Club [ 25, 44, 45] and Ediet [ 46, 47]. 3Metabolic Balance Nutrition Program (similar to JumpstartMD) [ 27]. 4Jenny Craig [ 23, 24, 3 and 3, 48– 50] Diet Chef [ 60]. 5Nutrisystem [ 9, 33, 51– 53], Medifast [ 28, 29, 54– 56], Itrim [ 26], and Health Management Resources [ 30, 57– 59]. |