Sex Frequency of tobacco use Total BOTH SEXES Total 100.00 BOTH SEXES At least three times a week 36.32 BOTH SEXES Once or twice a week 35.66 BOTH SEXES Less frequently 28.02 MALES Total 100.00 MALES At least three times a week 35.30 MALES Once or twice a week 37.19 MALES Less frequently 27.52 FEMALES Total 100.00 FEMALES At least three times a week 37.89 FEMALES Once or twice a week 33.32 FEMALES Less frequently 28.79