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Table 1 General characteristics of randomized controlled intervention trials included in the meta-analysis

From: Effects of low glycaemic index/low glycaemic load vs. high glycaemic index/ high glycaemic load diets on overweight/obesity and associated risk factors in children and adolescents: a systematic review and meta-analysis

Reference Participants Age (yrs) Duration (weeks) Dietary intervention (as indicated by the investigators) LGI, LGL Energy amount (end of the study), or energy restriction Drop Out
Baseline BMI (kg/m2) Female (%) HGI, HGL
Male (%)
% Diabetics
Casazza et al. 2012 [22] 26 12.4 16 Specialized diet 346, 129 2019 kcal 0 %
BMI z-score: 2.4 100 % Standard diet 503, 255 (bread reference) 2058 kcal
0 % 0 %
Ebbeling et al. 2003 [23] 16 16.9 24 Reduced glycemic load diet vs 53, 68 (g/1000 kcal) 1621 12.5 %
34.9 69 % 1439 12.5 %
0 % 31 % Low-fat diet 56, 77 (g/1000 kcal)
Ianuzzi et al. 2008 [24] 26 Range: 7-13 24 diet high glycemic index vs 60 n.d. 0 %
28.3 53.8 % 90
0 % 46.2 % diet low glycemic index
Kirk et al. 2012 [25] 66 9.8 48 Low carbohydrate diet vs <55, 73.2 (g/1000 kcal) 1950 kcal 25.7 %
29.5 63.6 % Portion controlled diet 1900 kcal 9.6 %
0 % 36.4 % >70, 74.0 (g/1000 kcal)
Kong et al. 2014 [26] 104 16.8 24 Low glycemic index diet vs 74.4, 117.7 1565 kcal 34.6 %
30.9 56.7 % 76.8, 106.3 1981.6 kcal 48.1 %
0 % 43.3 % Control diet
Mirza et al. 2013 [27] 113 11.65 96 Low glycemic load diet vs 55.5, 77.2 1148 kcal 52.6 %
30.6 49 % low fat diet (g/1000 kcal) 1146 kcal 57 %
0 % 51 % 54.4, 73.6 (g/1000 kcal)
Papadaki et al. 2010 [21] 647 12.15 26 Low protein/LGI vs 60.8, 153.4 1692.4 kcal 37 %
21.8 43.3 % Low protein/HGI 62.9, 123.9 1382.6 kcal 48 %
0 % 56.7 % High protein/LGI vs 56.9, 105.0 1494.5 kcal 42 %
High protein/HGI 63.9, 128.0 1643.9 kcal 39 %
Ramon-Krauel et al. 2013 [28] 17 12.8 24 LGI diet vs 54.6, 56.4 1271 kcal 12.5 %
32.65 17.6 % Low fat (g/1000 kcal) 1422 kcal 0 %
0 % 82.4 % 60.2, 70.4 (g/1000 kcal)
Rouhani et al. 2013 [29] 50 13.89 10 LGI vs 43.22 1503 kcal 24 %
n.d. 100 % Healthy nutrition recommendations 46.70 1532 kcal 12 %
0 % 0 %
  1. BMI = body mass index; HGI = high glycaemic index; HGL = high glycaemic load; LGI = low glycaemic index; LGL = low glycaemic load; LP = low protein