The health assessment required each adolescent to record, on a PI developed form, each day, during the 1st, 2nd and 3rd weeks of the program: whether he had smoked during the past 24 hours; if he smoked, how much he had smoked; the circumstances/situations he felt contributed to him smoking when he smoked; the time of day he wanted to smoke; whether he tried not to smoke before he smoked; and, if he tried not to smoke, what methods he used.