Table 3 Comparison of mean weekly recruitment (expressed for each month) at intervention, pre-existing and control sessions

Sept 2010

na

.86 (1.10)

1.28 (1.46)

F = 1.636

1

.206

Oct 2010

18.13 (12.30) ^{a, b}

1.04 (.42) ^a

.30 (.41) ^b

F = 10.547

2

.003

Nov 2010

2.25 (1.68)

.78 (.41)

.31 (.38)

F = 3.908

2

.060

Dec 2010

1.00 (.35)

.78 (.61)

.08 (.14)

F = 3.493

2

.089

Jan 2011

3.53 (3.03)

1.29 (.43)

.38 (.595)

F = 3.527

2

.080

Feb 2011

3.45 (.81) ^{a, b}

.84 (.26) ^a

.25 (.50) ^b

F = 35.972

2

<.001

Mar 2011

5.60 (1.69)^{a, b}

.65 (.25) ^a

.25 (.29) ^b

F = 39.100

2

.001