1 = Boys
2 = Girls

EXPERIENCE WITH TOBACCO - 1981
1 = NEVER SMOKED
2 = CURRENT SMOKER
3 = FORMER SMOKER
4 = CURRENT AND QUIT

I CURRENTLY SMOKE - 1981
1 = CIGARETTES OCC
2 = <1/2 PACKS/DAY
3 = ABOUT A PACK/DAY
4 = 2+ PACKS CIG/DAY
5 = PIPE ETC OCCSIONALLY
6 = PIPE ETC DAILY
7 = CIG OCC & PIPE
8 = <2 PCKS CIG/PIPE DAILY

I STOPPED SMOKING -
1 = CIGARETTES RECENTLY
2 = CIG 1+ YEARS AGO
3 = PIPE ETC RECENTLY
4 = PIPE ETC 1+ YRS AGO
5 = CIG/PIPE RECENTLY
6 = CIG/PIPE 1+ YRS AGO

1 = Never smokers
2 = Current smokers, <2 packs/day
3 = Current smokers, 2+ packs/day