Table 3: Correlations between the FTND and HSI and the AUTOS and items assessing preparation for abstinence and latencies to withdrawal experiences.

FTND item number
123456FTNDHSI**

AUTOS score.66.53.30.49.36.48.72.68
Withdrawal subscale.66.53.33.49.36.47.72.69
Psychological Dependence subscale.58.46.26.47.34.43.64.62
Cue-Induced Cravings to smoke subscale.60.47.24.41.29.43.63.60
I am careful not to run out. I make sure I have enough cigarettes for the next morning. ( ).67.43.33.49.34.45.70.68
If I know I am going to be in a situation where I can not smoke, I will smoke extra to prepare. ( ).46.43.27.37.28.43.53.48
I have to plan my schedule around smoking..46.37.22.38.31.34.52.48
What percent of the time do you smoke because you need to at that moment?.48.43.24.33.33.38.54.49
Latency in hours to wanting ( )−.65−.42−.37−.43−.25−.39−.66−.65
Latency in hours to craving ( )−.50−.43−.30−.39−.21−.33−.59−.52
Latency in hours to needing ( )−.37−.33−.13*−.26−.13*−.07*−.37−.39

*Not significant. All other correlations were significant at P ≤ .001. unless otherwise indicated. The for the latencies is smaller because they apply only to smokers who have experienced them. Bold values are the two strongest correlations for each column.
**HSI: Heaviness of Smoking Index (items 1, 4).