Predicting nicotine dependence profiles among adolescent smokers: the roles of personal and social-environmental factors in a longitudinal framework

Table 3 Item response probabilities per identified latent class for the two nominal items assessing behavioural aspects of nicotine dependence

Item response probabilities^a
Latent classes identified	Item B3	Item B4
Low cravings only	0.05	0.01
High cravings and withdrawal	0.21	0.05
High cravings and behavioural dependence	0.46	0.28
Overall high dependence	0.64	0.52

^a Probability of responding to the answer category indicative of dependence
Item B3 = Which cigarette would you hate to give up?; Item B4 = Do you smoke if you are so ill that you are in bed most of the day?

ISSN: 1471-2458