Skip to main content

Table 2 Cluster size by study wave, site and treatment arm

From: Feasibility cluster randomised controlled trial evaluating a theory-driven group-based complex intervention versus usual physiotherapy to support self-management of osteoarthritis and low back pain (SOLAS)

Wave

SOLAS intervention

Usual physiotherapy

Site code

Target recruitment

Cluster size recruited

Site code

Target recruitment

Cluster size recruited

W1 Autumn 2014

Aa

6

2

H

6

3

B

6

6

Ia

6

7

C

6

4

Ja

6

6

D

6

5

K

6

3

   

L

6

3

Subtotal

4

24

17

5

30

22

Mean cluster size

 

4.3

  

4.4

W2 Spring 2015

B

6

4

H

6

4

C

6

5

K

6

4

D

6

4

L

6

7

Ea

6

7

M

6

6

F

6

6

N

6

8

G

6

5

   

Subtotal

6

36

31

5

30

29

Mean cluster size

 

5.2

  

5.8

W3 Autumn 2015

F

6

6

M

6

1

G

6

5

N

6

9

Subtotal

2

12

11

2

12

10

Mean cluster size

 

5.5

  

5.0

Total

7

72

59

7

72

61

  1. aSites that participated in the pilot trial in Spring 2014 [13] participated in one recruitment wave during the feasibility trial
Back to article page

Trials

ISSN: 1745-6215