Table 6. Table 6. Table assessing the quality of study included into the systematic review.
| Stated what kind of milk | Measured BMI at time of sample collection | Standardised time post-partum of sample collection | Standardised time of sample collection | Adjusted for confounders | Appropriate Statistical analysis | Appropriate sample preparation | Small medium or large study | Score | Positive/negative/no correlation | |
| Leptin | ||||||||||
| Houseknecht, 1997 | ✓ | ✓ | X | ✓ | X | X | ✓ | Small | 4.5 | Positive |
| Ucar, 2000 | ✓ | ✓ | X | ✓ | X | ✓ | X | Small | 4.5 | No correlation |
| Uysal, 2002 | ✓ | ✓ | X | ✓ | X | ✓ | ✓ | Medium | 6 | Positive |
| Bielicki, 2004 | ✓ | ✓ | ✓ | ✓ | X | ✓ | ✓ | Small | 6.5 | Positive then none |
| Dundar, 2005 | ✓ | Not stated | ✓ | ✓ | X | X | ✓ | Small | 4.5 | No correlation |
| Bronsky, 2006 | ✓ | X | ✓ | ✓ | X | ✓ | ✓ | Medium | 6 | Positive |
| Miralles, 2006 | ✓ | ✓ | ✓ | ✓ | X | ✓ | ✓ | Small | 6.5 | Positive |
| Weyermann, 2007 | ✓ | X | X | Not stated | ✓ | ✓ | ✓ | Large | 5 | Positive |
| Bronsky, 2011 | ✓ | X | ✓ | ✓ | X | ✓ | ✓ | Medium | 6 | No correlation |
| Eilers, 2011 | X | X | ✓ | ✓ | X | ✓ | ✓ | Medium | 5 | Positive |
| Schuster 2011 | X | ✓ | ✓ | X | X | ✓ | ✓ | Small | 4.5 | Positive |
| Fields, 2012 | ✓ | X | ✓ | ✓ | X | ✓ | ✓ | Small | 5.5 | Positive |
| Savino, 2012 | X | Not stated | X | ✓ | X | ✓ | ✓ | Small | 3.5 | No correlation |
| Schueler, 2013 | ✓ | ✓ | ✓ | ✓ | X | X | ✓ | Small | 5.5 | Positive |
| Brunner, 2014 | ✓ | X | ✓ | ✓ | X | ✓ | ✓ | Large | 6.5 | Positive |
| Adiponectin | ||||||||||
| Martin, 2006 | X | ✓ | X | ✓ | X | ✓ | ✓ | Small | 4.5 | Positive |
| Weyermann, 2007 | ✓ | X | X | Not stated | ✓ | ✓ | ✓ | Large | 5 | No correlation |
| Woo, 2009 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | Small | 7.5 | Positive, none after adjustment |
| Dundar, 2010 | X | X | ✓ | ✓ | X | ✓ | X | Small | 3.5 | No correlation |
| Bronsky, 2011 | ✓ | X | ✓ | ✓ | X | ✓ | ✓ | Medium | 6 | No correlation |
| Luoto, 2011 | X | ✓ | ✓ | Not stated | X | ✓ | ✓ | Large | 5 | No correlation |
| Luoto, 2011 | X | X | ✓ | Not stated | X | ✓ | ✓ | Small | 3.5 | No correlation |
| Ley, 2012 | ✓ | X | ✓ | Not stated | X | ✓ | ✓ | Large | 5 | No correlation |
| Brunner, 2014 | ✓ | X | ✓ | ✓ | X | ✓ | ✓ | Large | 6.5 | No correlation |
| Insulin | ||||||||||
| Shehadeh, 2003 | X | Not stated | ✓ | Not stated | X | ✓ | ✓ | Medium | 4 | No correlation |
| Ahuja, 2011 | ✓ | X | ✓ | ✓ | X | ✓ | X | Small | 4.5 | Positive |
| Fields, 2012 | ✓ | X | ✓ | ✓ | X | ✓ | ✓ | Small | 5.5 | No correlation |
| Ley, 2012 | ✓ | X | ✓ | Not stated | X | ✓ | ✓ | Large | 5 | No correlation then Positive |
| Ghrelin | ||||||||||
| Aydin, 2006 | ✓ | Not stated | ✓ | ✓ | X | ✓ | ✓ | Small | 5.5 | Not significant |
| Aydin, 2007 | ✓ | X | ✓ | ✓ | X | Not stated | ✓ | Small | 4.5 | No correlation |
| Aydin, 2010 | X | Not stated | Not stated | Not stated | X | Not stated | ✓ | Small | 1.5 | Not significant |