31 to 1; ratio of gamblers who lost more than $5,000 compared to won more than $5,000. Among frequent gamblers ratio increased to 128 to 1.

Internet gamblers on games of chance like blackjack, Roulette, and slots. Study was done my major European online gambling company, Bwin party digital entertainment.Results were confirmed by study of 18,000 regular gamblers at a native American casino.Over 2 year period in bwin study, only 11% of gamblers ended up in black after 2 years, but only 5.4% for heavy gamblers. Because poker is partly a game of skill, odds are better, with aobut one third of heavy poker players being in hte black over time, and only about 10% of others.