Average reported smoking habits (cigarettes/day) and addiction questionnaires (Fagerstrom Test of Nicotine Dependence (FTND18); Autonomy Over Smoking Scale (AUTOS17) total score, and subscales: withdrawal symptoms, psychological dependence, cue-induced craving; and Glover-Nilsson Smoking Behavior Questionnaire (GNSBQ19)), for Wave 1 and for participants who still smoked at Wave 2
| Wave 1 | Wave 2 | ||
|---|---|---|---|
| November–December 2012 (N=357) | February–March 2013 (N=211) | d | |
| Cigarettes/day | 14.76 (8.62) | 12.31 (8.72) | 0.24*** |
| FTND | 4.18 (2.20) | 3.88 (2.18) | 0.16** |
| AUTOS (total) | 18.33 (8.15) | 17.77 (8.12) | 0.15** |
| Withdrawal symptoms | 5.51 (3.43) | 5.22 (3.48) | 0.1 |
| Psychological dependence | 5.50 (2.90) | 5.33 (2.92) | 0.13* |
| Cue-induced craving | 7.33 (2.96) | 6.70 (3.13) | 0.28*** |
| GNSBQ | 16.97 (7.85) | 15.49 (8.02) | 0.24*** |
SD are listed in parentheses. Effect sizes (Cohen's d) for dependent-means t tests are also shown.