Table 2 Means, standard deviations, and t-test statistics for changes in smoking-related cognitions and coping strategies

Self-efficacy to refrain from smoking^a

2.3

0.6

3.4

1.0

-19.14

< .001

2.4

0.6

2.9

0.8

-14.69

< .001

Positive smoking outcome expectancies^a

2.8

0.5

2.3

0.6

12.96

< .001

2.8

0.5

2.5

0.5

9.32

< .001

Avoidance of external cues^a

2.7

0.8

3.5

0.9

-11.60

< .001

2.6

0.9

3.1

0.9

-9.46

< .001

Perceived control over withdrawal symptoms^a

3.2

0.9

3.9

1.0

-11.14

< .001

3.3

0.9

3.5

1.0

-3.59

< .001