I'm also surprised they didn't call out gender. From everything I've read, men are increasingly isolated as they age, whereas women tend to cluster together. Th

I'm also surprised they didn't call out gender. From everything I've read, men are increasingly isolated as they age, whereas women tend to cluster together. This also has been linked to higher-by-gender suicides for isolated men. <chagrin>Granted, I guess if you're dead you don't have to worry about showing up in the list and skewing the graph inconveniently.</chagrin>