| Study, Year | Selection | Comparability of cohorts (matched for) | Outcome | Total score | Representativeness of exposed cohort | Selection of nonexposed cohort | Ascertainment of exposure | Outcome not present at baseline | Assessment of outcome | Sufficient follow-up duration | Adequate follow-up |
| Morin-Papunen et al, 2003 | ∗ | ∗ | ∗ | – | BMI, age∗∗ | ∗ | ∗ | ∗ | 8 | Ibanez and de Zegher, 2004 | ∗ | ∗ | ∗ | – | BMI∗ | ∗ | ∗ | ∗ | 7 | Ibanez et al, 2005 | ∗ | ∗ | ∗ | – | BMI, age∗∗ | ∗ | – | ∗ | 7 | Cagnacci et al, 2006 | ∗ | ∗ | ∗ | – | BMI, age∗∗ | ∗ | ∗ | ∗ | 8 | Banaszewska et al, 2007 | ∗ | ∗ | ∗ | – | Age∗ | ∗ | – | ∗ | 6 | Gul et al, 2008 | ∗ | ∗ | ∗ | – | BMI, age∗∗ | ∗ | – | ∗ | 7 | Hoeger et al, 2008 | ∗ | ∗ | ∗ | – | BMI, age∗∗ | ∗ | ∗ | ∗ | 8 | Bilgir et al, 2009 | ∗ | ∗ | ∗ | – | BMI, age∗∗ | ∗ | – | ∗ | 7 | Kebapcilar et al, 2010 | ∗ | ∗ | ∗ | – | BMI, age∗∗ | ∗ | – | ∗ | 7 | Chen et al, 2010 | ∗ | ∗ | ∗ | – | Weight, BMI, age∗∗∗ | ∗ | – | ∗ | 8 | Mancini et al, 2010 | ∗ | ∗ | ∗ | – | BMI∗ | ∗ | ∗ | ∗ | 7 | Teede et al, 2010 | ∗ | ∗ | ∗ | – | BMI, age∗∗ | ∗ | ∗ | ∗ | 8 | Tfayli et al, 2011 | ∗ | ∗ | ∗ | – | BMI, age, fat mass∗∗∗ | ∗ | ∗ | ∗ | 9 | Essah et al, 2011 | ∗ | ∗ | ∗ | – | BMI∗ | ∗ | – | ∗ | 6 | Kilic et al, 2011 | ∗ | ∗ | ∗ | – | BMI∗ | ∗ | ∗ | ∗ | 7 | Ibanez et al, 2011 | ∗ | ∗ | ∗ | – | BMI, age∗∗ | ∗ | ∗ | ∗ | 8 | Gode et al, 2011 | ∗ | ∗ | ∗ | – | BMI, WC, age∗∗∗ | ∗ | ∗ | ∗ | 9 | Vieira et al, 2012 | ∗ | ∗ | ∗ | – | BMI, age∗∗ | ∗ | ∗ | ∗ | 8 | Diaz et al, 2012 | ∗ | ∗ | ∗ | – | BMI, age∗∗ | ∗ | ∗ | ∗ | 8 | Harmanci et al, 2013 | ∗ | ∗ | ∗ | – | BMI, WHR, age∗∗∗ | ∗ | ∗ | ∗ | 9 | Ibanez et al, 2013 | ∗ | ∗ | ∗ | – | BMI, age∗∗ | ∗ | ∗ | ∗ | 8 | Christakou et al, 2014 | ∗ | ∗ | ∗ | – | BMI, age∗∗ | ∗ | ∗ | ∗ | 8 | Glintborg et al, 2014 | ∗ | ∗ | ∗ | – | BMI, fat mass∗∗ | ∗ | ∗ | ∗ | 8 | Kahraman et al, 2014 | ∗ | ∗ | ∗ | – | BMI, WHR, age∗∗∗ | ∗ | ∗ | ∗ | 9 | Dardzinska et al, 2014 | ∗ | ∗ | ∗ | – | BMI, age∗∗ | ∗ | ∗ | ∗ | 7 | Yildzhan et al, 2015 | ∗ | ∗ | ∗ | – | BMI, WHR, age∗∗∗ | ∗ | ∗ | ∗ | 9 | Orio et al, 2016 | ∗ | ∗ | ∗ | – | BP, BMI, age∗∗∗ | ∗ | ∗ | ∗ | 9 |
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