Comparing with US counties, parishes, with median density matched to Park, there were 964 (72.1%) Low Density US counties out of 1337 which had a lower recruitment of the cohort that was 15 to 24 in 1970 than the Park. There were 11.2 million persons (59.1%) out of 18.9 million living in these Low Density US counties
Copyright © James McMartin Long