Not really, because typically, college aged adults use on the weekends to party and just have a little release.
But a grown person, trying to avoid the trials of everyday life is going to OD much faster due to their bodies being in worse shape, using too much, etc...
Well, what I was trying to say both non-college-educated and college-educated start off with x amount of substance abuse I would think. Maybe college-educated back off as they enter the work force and non-college don’t? Maybe because their work is less challenging and they feel less worthwhile?