Table 10 Reduction and cessation outcomes for behavioural support compared to self-help

RR (95% CI)

RD (95% CI)

Any sustained reduction (n)

4

2

1.78 (0.41, 7.97)

0.05 (−0.11, 0.2)

>50% sustained reduction (n)

3

1

2.67 (0.4, 18.19)

0.05 (−0.09, 0.19)

Floating 4 week cessation (n)

2

4

0.44 (0.10, 1.95)

−0.07 (−0.24, 0.08)

Floating 6 months cessation (n)

0

0

N/A

N/A

Mean difference (SD)

P

Mean (SD) change in cpd baseline – 12 months (baseline carried forward)

−1.58 (7.2)

−3.36 (6.14)

1.48 (1.64)

0.37

Mean (SD) change in cpd baseline – 12 months (last observation carried forward)

−7.31 (8.98)

−7.34 (9.21)

0.04 (2.21)

0.98

Median (range) change in cpd baseline – 12 months (baseline carried forward)

0 (−30, 20)

0 (−21, 0)

Median (range) change in cpd baseline – 12 months (last observation carried forward)

−5.5 (−30, 20)

−7 (−35, 18)