Table 3

 Characteristics and reporting of moderator variables

VariableMean/%Number missing
Age39.82
Race12 white/1 mixed/1 other5
Males63.8%1
Education8 with some college/2 with no college9
Cigarettes per day22.46
Smoking prevalence29.3%5
Previous quit attempts3.018
Randomisation10 random/9 not random0