Table 2
E (n = 139) and C (n = 126) group effectiveness rates
Behaviour
E group
(%)
C group
(%)
Odds ratio
95% one tailed CI
Cessation rate
17.3
8.8
2.2
2.2, 4.1
Signficant reduction rate
21.7
15.8
1.5
1.5, 2.6
No significant change
61.0
75.4
0.51
0.51, 0.80
Source: Windsor
et al
.3