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. 2012 Sep 27;172(1):59–69. doi: 10.1007/s00431-012-1822-5

Table 4.

The power of a Box–Cox transformation (L), the median (M), and the coefficient of variation (S) for waist circumference for both genders

Age Boys Girls
L M S L M S
0–28 days 3.030 31.185 0.067 −0.192 31.449 0.081
28 days–3 months 1.360 37.206 0.070 −0.147 36.813 0.075
3–<6 0.611 40.042 0.070 −0.098 39.488 0.072
6–<9 0.201 41.691 0.070 −0.078 41.134 0.069
9–<12 −0.061 42.835 0.068 −0.099 42.320 0.068
12–<15 −0.258 43.731 0.067 −0.143 43.266 0.067
15–<18 −0.424 44.503 0.066 −0.207 44.079 0.066
18–<21 −0.578 45.210 0.066 −0.288 44.814 0.066
21–<24 −0.729 45.879 0.065 −0.383 45.498 0.066
24–<27 −0.881 46.517 0.065 −0.489 46.141 0.066
27–<30 −1.034 47.123 0.065 −0.600 46.742 0.066
30–<33 −1.188 47.695 0.064 −0.715 47.306 0.066
33–<36 −1.342 48.236 0.064 −0.833 47.833 0.066
36–<39 −1.493 48.747 0.064 −0.949 48.324 0.067
39–<42 −1.642 49.229 0.065 −1.065 48.783 0.067
42–45 −1.787 49.684 0.065 −1.178 49.212 0.068
45–<48 −1.927 50.114 0.065 −1.289 49.614 0.068
48–<51 −2.062 50.519 0.065 −1.396 49.991 0.069
51–<54 −2.192 50.903 0.066 −1.500 50.346 0.069
54–<57 −2.318 51.266 0.066 −1.600 50.680 0.070
57–<60 −2.438 51.611 0.066 −1.697 50.996 0.070
60–<63 −2.553 51.938 0.067 −1.790 51.295 0.070
63–<66 −2.664 52.250 0.067 −1.880 51.580 0.071
66–<69 −2.770 52.548 0.067 −1.967 51.852 0.071
69–<72 −2.871 52.833 0.067 −2.051 52.112 0.072
72–75 −2.968 53.107 0.068 −2.131 52.362 0.072
75–78 −3.062 53.371 0.068 −2.209 52.602 0.072
78–81 −3.152 53.625 0.068 −2.284 52.834 0.073
81–84 −3.239 53.870 0.069 −2.356 53.057 0.073