I get with the games once a week; one week is my noon-to-5 Sunday game, and the next week is another guy's Friday night game. We alternate weeks. There is a variety of ages and occupations, from an 18 year old high school student, 35 year old doctor, 30-something owner of a plumbing business, a handful of late 20s/early 30s guys doing various hourly wage non-skilled jobs, the 23 year old guy who works at the FLGS we game at, and I am 30, getting my engineering degree. At least half of us are married and a quarter of us have kids.
We have a strict cell-phone policy: if you MUST take a call from something stupid like your girlfriend calling to say she misses you or your drinking buddy asking about which bar is the destination for the night, take it away from the table so you don't bother us. While you are gone, your character has wandered away from the main conversation/activity. Legit calls like the doctor's pager, a wife calling about a sick kid, etc are exempt.