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Table 1 PRECIS-2 ratings and characteristics of 31 published trials of interventions to reduce obesity in children aged 6–12 years

From: A comparison of meta-analytic methods for synthesizing evidence from explanatory and pragmatic trials

Study Type of treatment Standardized mean difference Standard error* Average overall PRECIS rating PRECIS classification
Baranowski 2003 (2) Physical activity and dietary 0.99 0.388 2.44 Explanatory
Lazaar 2007 (6) Physical activity − 0.58 0.16 2.78 Explanatory
Lazaar 2007 (7) Physical activity − 0.75 0.16 2.78 Explanatory
Lazaar 2007 (8) Physical activity − 0.38 0.29 2.78 Explanatory
Lazaar 2007 (9) Physical activity − 0.48 0.29 2.78 Explanatory
Story 2003a (2) Physical activity and dietary − 0.56 0.28 3.22 Pragmatic
Beech 2003 (4) Physical activity and dietary − 0.52 0.41 3.11 Pragmatic
Caballero 2003 Physical activity and dietary − 0.05 0.05 3.00 Pragmatic
Robinson 2003 (2) Physical activity and dietary − 0.08 0.26 3.00 Pragmatic
Beech 2003 (5) Physical activity and dietary − 0.52 0.41 3.11 Pragmatic
Kain 2004 (1) Physical activity and dietary − 0.19 0.06 3.33 Pragmatic
James 2004 Dietary − 0.39 0.09 4.50 Pragmatic
Kain 2004 (2) Physical activity and dietary 0.06 0.06 3.33 Pragmatic
Harrison 2006 Physical activity − 0.18 0.12 3.89 Pragmatic
Amaro 2006 Dietary − 0.19 0.14 3.11 Pragmatic
Spiegel-2006-Obesity Physical activity and dietary − 0.38 0.06 3.56 Pragmatic
Gutin 2008 Physical activity − 0.10 0.10 3.67 Pragmatic
Hamelink-Basteen Physical activity and dietary − 0.12 0.13 3.0 Pragmatic
Simon 2008 Physical activity − 0.02 0.07 4.33 Pragmatic
Reed 2008 Physical activity 0.04 0.14 3.89 Pragmatic
Foster 2008 Physical activity − 0.06 0.07 3.78 Pragmatic
Paineau 2008 (10) Dietary − 0.04* 0.09 3.00 Pragmatic
Vizcaino 2008 (2) Physical activity − 0.03* 0.09 3.00 Pragmatic
Sanigorski 2008 Physical activity and dietary − 0.17 0.05 4.25 Pragmatic
Taylor 2008 Physical activity and dietary − 0.39 0.10 3.00 Pragmatic
Paineau 2008 (11) Dietary − 0.02 0.09 3.00 Pragmatic
Vizcaino 2008 (1) Physical activity 0.00 0.09 3.00 Pragmatic
Gentile 2009 Physical activity and dietary 0.04 0.06 4.00 Pragmatic
Sichieri 2009 Dietary 0.08 0.07 4.56 Pragmatic
Donnelly 2009 Physical activity 0.00 0.05 4.22 Pragmatic
Marcus 2009 Physical activity and dietary − 0.42 0.07 3.25 Pragmatic
  1. *Rounded up to the nearest two decimal places
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Systematic Reviews

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