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. Author manuscript; available in PMC: 2008 Sep 2.
Published in final edited form as: Psychol Addict Behav. 2007 Jun;21(2):216–225. doi: 10.1037/0893-164X.21.2.216

Table 4.

Descriptives for Minnesota Nicotine Withdrawal Scale Items for Each Study

AB, Week 1 (n = 72)
MF, Week 2 (n = 124)
NXP, Week 1 (n = 242)
AB, Week 4 (n = 31)
MF, Week 6 (n = 102)
NXP, Week 6 (n = 204)
Item M SD M SD M SD M SD M SD M SD
1. Craving for cigarettes 1.15 1.10 1.84 1.25 2.05 1.02 0.81 1.08 0.94 0.91 0.93 0.90
2. Irritability, frustration, or anger 0.71 1.00 1.25 1.23 1.21 1.08 0.48 1.03 0.68 0.90 0.64 0.81
3. Anxiety 0.57 0.92 1.12 1.19 0.96 1.06 0.42 0.81 0.51 0.78 0.54 0.78
4. Difficulty concentrating 0.40 0.88 0.77 1.05 0.70 0.99 0.42 0.89 0.35 0.56 0.30 0.67
5. Restlessness 0.46 0.93 1.20 1.21 1.07 1.06 0.39 0.84 0.48 0.70 0.47 0.77
6. Increased appetite or weight gain 0.75 1.00 1.15 1.24 0.93 1.05 0.90 1.25 1.20 1.13 0.89 1.05
7. Depressed or sad mood 0.28 0.70 0.54 0.86 0.51 0.88 0.32 0.83 0.34 0.78 0.26 0.59
8. Insomnia or sleep problems 0.44 1.01 1.30 1.41 1.25 1.31 0.29 0.78 0.71 1.04 0.53 0.88

Note. AB = abstinence study; MF = message framing study; NXP = naltrexone + patch study.