Author, year, reference # | Study Type | Effect size for weight* | % achieving a) ≥ 7% or b) ≥ 5% weight loss | % Reduction in diabetes incidence | Effect size for FPG mmol/L | Effect size for 2-hr OGTT mmol/L | Effect for waist circumference (cm) | Effect on fat intake as % of total energy | Effect on fibre intake g/day |
---|---|---|---|---|---|---|---|---|---|
Reference Trials | Â | Â | Â | Â | Â | Â | Â | Â | Â |
DPP Research Group, 2002 [1] | RCT | -5.6 Kg | a) 49% | NR§ | -0.3 | NR | NR | -6.6% | NR |
Finnish DPS [5] | RCT | -4.2 Kg | b) 43% | NR§ | -0.1 | -0.8 | -4.4 | -21% | -12% |
Meta-Analysed Trials | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Barclay, 2008 [87]** | RCT | -2.7 Kg | Â | NR | -0.02 | NR | -6.01 | NR | NR |
Bo, 2007 [48] | RCT | -0.75 Kg | Â | NR | -0.26 | NR | -2.55 | NR | +1.7 |
Kosaka, 2005 [49] | RCT | -2.5 Kg | Â | 0.5% | NR@1 yr | NR | NR | NR | NR |
Dyson, 1997 [50] | RCT | -0.5 Kg | Â | NR | -0.1 | +0.4 | NR | -3.5% | +0.9 |
Studies Not Meta-Analysed | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Greaves, 2008 [86] | RCT | -0.3 Kg | b) 24% | NR | NR | NR | -1.6 | NR | NR |
Torgerson, 2004 [80]** | RCT | -6.2 Kg | Â | NR | + 0.2 | - 0.4 | -7.0 | NR | NR |
Whittemore, 2009 [78]*** | ClustRCT | -1.5 Kg | b) 25% | NR | NR | NR | NR | NR | NR |
McTigue, 2009 [84] | BAC | - 5.2 Kg | a) 27% | NR | NR | NR | NR | NR | NR |
Eriksson, 1991 [79] | BAC | -5.0 Kg | Â | -37% | NR | -1.5 | NR | NR | NR |
Pagoto, 2008 [14] | B-A | -5.5 Kg | a) 30% | NR | NR | NR | NR | NR | NR |
Laatikainen, 2007 [83] | B-A | -2.5 Kg | Â | -23% | - 0.14 | - 0.58 | -4.2 | NR | NR |
B-A | -1.0 Kg | Â | NR | + 0.15 | 0.0 | -1.2 in F +2.3 in M | NR | 52% met goal |