Here's an article describing a different study, published in the same journal as the one linked, indicating that higher-volume running (more than 3 hours per week) provides the same benefits as low-volume jogging: http://www.eurekalert.org/pub_releases/2014-07/acoc-rrr072414.php
The two studies used different data sets, so there may be some population differences.
After some digging, here are the actual papers on the Journal of the American College of Cardiology's website:
Here's an article describing a different study, published in the same journal as the one linked, indicating that higher-volume running (more than 3 hours per week) provides the same benefits as low-volume jogging: http://www.eurekalert.org/pub_releases/2014-07/acoc-rrr072414.php
The two studies used different data sets, so there may be some population differences.
After some digging, here are the actual papers on the Journal of the American College of Cardiology's website:
Copenhagen study
Study behind the article I linked
Both considered all-cause mortality.