• Compared to 12- and 13-year olds who have frequent family dinners, those who have infrequent family dinners are six times likelier to use marijuana, four times likelier to use tobacco, and three times likelier to use alcohol.
• Compared to teens who attend religious services at least weekly, those who never attend services are more than twice as likely to try cigarettes, and twice as likely to try marijuana and alcohol.
• Compared to teens who have frequent family dinners, those who have infrequent family dinners are one and a half times likelier to report getting grades of C or lower in school. 

Source: www.casacolumbia.org   Sept.2009