Straightening out That Discrepancy in the Coverage

A few months ago, I posted that there was a discrepancy in the coverage of Roland Sturm and Ashlesha Datar's article on childhood obesity. Some reports said the study found no correlation between the location of fast-food places or convenience stores and childhood obesity whereas others reported there was a correlation. Now that I have found the study in question, there turned out to be no correlation found:

Regarding the distribution density of food providers such as grocerty stores, restaurants, and fast food establishments, suggested by some groups to have a link with childhood overweight: We found no significant relationship between children s excess weight gain and the presence of many convenience stores, restaurants, or grocery stores near their homes.