1.Have you smoke in the past one month?□Not at all □Less than daily □Daily. ______ cigarettes per day,smoke for ____ years.□Already quit,since_____/_____(y/m).2.Have you chew areca in the past one month?□Not at all □Less than daily □Daily. ______ nuts per day,keep this habit for ____ years.□Already quit,since_____/_____(y/m).3. Have you drink in the past one month?□Not at all □Less than daily □Daily. ______ times per week,______bottles/cans per time. __________ is the most drink in the past one month? (beer, wine, whiskey….)□Already quit,since_____/_____(y/m).4. The average amount of sleep is ______ hours per day during pay period.