Table 3. Comparison of contemplation ladder score, number of cigarettes smoked per day, and motivation score across three visits.

df - degrees of freedom, ANOVA - analysis of variance

Follow-up visit	Contemplation ladder score, mean (SD)	Number of cigarettes smoked per day, mean (SD)
First contact (0 days)	7.75 (2.9)	6.12 (2.1)
Second contact (two weeks)	8.30 (2.5)	4.73 (1.9)
Third contact (six months)	8.74 (2.3)	4.08 (1.2)
Test statistics (df) p-value	34.691 (1.32, 166.5), 0.006 (Repeated measure ANOVA)	32.86 (1.61, 204.03), 0.002 (Repeated measure ANOVA)