Table 4

Lifetime assessment of marijuana use

QuestionResponse choicesComplete observationsPearson’s r or agreement
Which category best describes the total number of times you’ve smoked marijuana over your lifetime?0–50100Agreement=85.0%
51–500
501–1000
More than 1000
Refused
Don’t know
Over the entire period you smoked marijuana, how many years did you smoke marijuana on a daily or near daily basis?__ Years97Pearson’s r=0.82
Refused
Don’t know
During the ___ year(s) that you smoked on a daily or near daily basis, in which form did you most often smoke marijuana?Joints83Agreement=88.0%
Pipes
Bongs
Refused
Don’t know
During the ___ year(s) that you smoked (type) on a daily or near daily basis, how many (type) did you smoke a day?___ Type83Pearson’s r=0.64
Refused
Don’t know