Session | Treatment | Measures |
---|---|---|
Baseline (week −2) | Withdrawal-oriented behavioural support | • Baseline questionnaire [demographics, smoking history, Fagerstrom Test for Nicotine Dependence (FTND)] |
• Mood and Physical Symptoms Scale (MPSS) | ||
• Exhaled carbon monoxide (CO) | ||
• Attentional bias assessment (visual probe and Stroop tasks) | ||
Pre-quit visit (week −1) Randomisation week | 1 week supply nicotine patches Withdrawal-oriented behavioural support Intervention group receives attentional retraining (AR). Control group receives placebo training (PT) | • CO |
• MPSS | ||
• VAS measure of craving (pre & post cue exposure task) | ||
Quit day (week 0) | 1 week supply nicotine patches Withdrawal-oriented behavioural support Intervention group receives AR Control group receives PT | • CO |
• MPSS | ||
Post-quit visits (weeks +1, +2, +3) | 1 week supply nicotine patches Withdrawal-oriented behavioural support Intervention group receives AR. Control group receives PT | • CO |
• MPSS | ||
• Lapses recorded on electronic diary | ||
Week +4 post-quit visit | 4 week supply nicotine patches Withdrawal-oriented behavioural support | • CO |
• MPSS | ||
• Attentional bias assessment (visual probe and Stroop tasks) | ||
• VAS measure of craving (pre & post cue exposure task) | ||
• Group allocation assessment | ||
• Lapses recorded on electronic diary (up to +5 weeks) thereafter reported in clinic CRF | ||
Week +8 post-quit visit | 4 week supply transdermal nicotine patches (where eligible) | • CO |
• MPSS | ||
• Attentional bias assessment (visual probe and Stroop tasks) | ||
• VAS measure of craving (pre & post cue exposure task) | ||
• Lapses reported in clinic CRF | ||
3 months post-quit visit | • CO | |
• MPSS | ||
• Attentional bias assessment | ||
• (visual probe and Stroop tasks) | ||
• VAS measure of craving (pre & post cue exposure task) | ||
• Lapses reported in clinic CRF | ||
6 months post-quit visit | • CO | |
• MPSS | ||
• Attentional bias assessment (visual probe and pictorial Stroop tasks) | ||
• VAS measure of craving (pre & post cue exposure task) | ||
• Lapses reported in clinic CRF | ||
• Patient satisfaction questionnaire |