| |
ICC
|
Within person correlation coefficient
|
Attrition rate
|
Effect size detectable
|
|---|
| | | | |
Number of SD units
|
Difference in BMI SDSa
|
|---|
|
Base case
|
0.02
|
0.8
|
20%
|
0.19
|
0.25
|
|---|
|
Vary ICC
|
0
|
0.8
|
20%
|
0.14
|
0.18
|
|
0.02
|
0.8
|
20%
|
0.19
|
0.25
|
|
0.05
|
0.8
|
20%
|
0.25
|
0.32
|
|
Vary correlation between baseline and 24 months BMI SDS
|
0.02
|
0.75
|
20%
|
0.21
|
0.27
|
|
0.02
|
0.8
|
20%
|
0.19
|
0.25
|
|
0.02
|
0.85
|
20%
|
0.17
|
0.22
|
|
0.02
|
0.9
|
20%
|
0.14
|
0.18
|
|
Vary attrition rate
|
0.02
|
0.8
|
10%
|
0.18
|
0.23
|
|
0.02
|
0.8
|
20%
|
0.19
|
0.25
|
|
0.02
|
0.8
|
30%
|
0.20
|
0.26
|
-
aBetween-group difference in BMI SDS at 24-month follow-up.
