College students also gamble at higher rates than the general population. Two to 7% of youths develop a gambling disorder, compared with about 1% of adults, and many gambling disorders begin in adolescence. Men appear more drawn to such strategic forms of gambling as card games or sports betting, while women tend to prefer such non-strategic forms as bingo or slot machines. Men are more likely to have gambling problems than women, but the disparity seems to have narrowed in recent years. Risk factors for gambling disorder may include: