| |
TRAINING GROUP
|
CONTROL GROUP
|
|---|
|
Stratum
|
Participants (N)
|
Clusters (N)
|
Cluster size (range)
|
Participants (N)
|
Clusters (N)
|
Cluster size (range)
|
|---|
|
A
|
44
|
7
|
3-12
|
58
|
8
|
1-15
|
|
B
|
24
|
3
|
1-12
|
27
|
3
|
8-11
|
|
C
|
12
|
3
|
1-8
|
10
|
1
|
10
|
|
D
|
5
|
1
|
5
|
7
|
1
|
7
|
|
E
|
6
|
1
|
6
|
4
|
1
|
4
|
|
F
|
9
|
2
|
3-6
|
10
|
2
|
3-7
|
|
G
|
36
|
3
|
1-27
|
28
|
3
|
5-12
|
|
H
|
.
|
.
|
.
|
4
|
1
|
4
|
|
I
|
60
|
3
|
2-37
|
19
|
2
|
9-10
|
|
J
|
.
|
.
|
.
|
33
|
1
|
33
|
|
K
|
23
|
1
|
23
|
.
|
.
|
.
|
|
L
|
24
|
1
|
24
|
40
|
1
|
40
|
|
M
|
34
|
4
|
4-11
|
13
|
2
|
3-10
|
|
N
|
5
|
1
|
5
|
2
|
1
|
2
|
|
Total
|
282
|
30
| |
255
|
27
| |
- The number of clusters and the range of the cluster size are specified for each stratum.
