Distribution interval Mean Difference
(Standard Deviation)
P Value
1 to  2  0.13 (0.92) 0.25
1 to  3  0.13 (0.89) 0.19
1 to  4  0.23(0.91) 0.02
Table 5: The Difference in the difference of mean weight for height Z score of the cohorts between distribution 1 and subsequent distributions.