Comparing with US counties, parishes, with median density matched to Park, there were 936 (70.0%) Low Density US counties out of 1337 which had a lower recruitment of the cohort that was 25 to 34 in 1970 than the Park. There were 11.0 million persons (58.0%) out of 18.9 million living in these Low Density US counties
Copyright © James McMartin Long