Table 3

Changes in outcomes

Pilot study 1 (n=30)Pilot study 2 (n=46)
Baseline
mean (SD)
2-week follow-up
mean (SD)
p ValueBaseline
mean (SD)
4-week follow-up
mean (SD)
p Value
Knowledge of smoking health risks2.47 (0.82)2.63 (0.72)0.172.67 (0.73)2.93 (0.44)<0.01*
Perceived likelihood of harm2.93 (0.12)3.10 (1.30)0.393.20 (1.09)3.59 (1.13)0.02*
Worry2.86 (1.06)3.38 (1.08)0.01*3.02 (1.00)3.09 (1.05)0.42
Subjective norms4.07 (0.95)4.16 (0.87)0.694.30 (0.83)4.42 (0.77)0.19
Smoker prototypes—positive2.14 (1.07)1.88 (0.92)0.03*1.98 (0.83)1.47 (0.60)<0.01*
Smoker prototypes—negative1.93 (0.86)1.83 (0.85)0.151.68 (0.60)1.73 (0.97)0.76
Self-efficacy3.27 (0.96)3.53 (0.81)0.103.46 (0.99)3.73 (1.03)0.06
Quit intentions2.52 (1.06)2.89 (1.10)0.04*2.26 (0.97)2.93 (1.19)<0.01*
Cigarettes smoked per day11.59 (9.31)11.58 (9.78)0.9911.11 (7.44)9.98 (8.29)0.24
  • *p<0.05.