O B E S I T Y I N C H I L D H O O D : S E C U L A R T R E N D O R E P I D E M I C D I S E A S E ? Table 2: Differences in weight and height of boys until the age of ten years between the study of Fred-‐ riks (1996-‐1997) and van Wieringen (1964-‐1966). height (cm) weight (gr) Age (y) P3 P50 P97 P3 P50 P97 0.27 -‐0.5 -‐0.5 -‐0.3 197 220 141 0.31 -‐0.5 -‐0.5 -‐0.4 103 180 175 0.38 -‐0.6 -‐0.6 -‐0.5 39 120 169 0.46 -‐0.7 -‐0.6 -‐0.3 -‐65 20 217 0.54 -‐0.6 -‐0.5 -‐0.3 -‐99 0 251 0.62 -‐0.7 -‐0.5 -‐0.1 -‐89 -‐60 235 0.69 -‐0.7 -‐0.7 -‐0.3 -‐163 -‐100 249 0.77 -‐0.7 -‐0.7 -‐0.3 -‐227 -‐120 273 0.85 -‐0.7 -‐0.6 -‐0.1 -‐341 -‐210 237 0.92 -‐0.6 -‐0.5 -‐0.1 -‐301 -‐260 231 1 -‐0.6 -‐0.4 0.1 -‐345 -‐300 225 2 0.0 0.0 -‐0.5 -‐145 -‐300 -‐202 3 1.5 0.6 -‐0.7 -‐216 -‐400 56 4 1.2 0.8 0.3 -‐186 -‐200 703 5 1.8 1.7 1.3 56 400 1737 6 2.5 2.3 2.2 598 1200 2960 7 2.8 2.8 2.9 939 1400 3465 8 3.1 3.2 3.4 999 1700 3963 9 2.7 3.5 4.2 1152 2000 4744 10 2.2 3.4 4.6 1112 2400 5519 Figure 2 shows the average difference in BMI for boys and girls between the chil-‐ dren of the van Wieringen group and those of the Fredriks group. Between the age of one year and five years, the boys and girls of the Fredriks group have a lower BMI compared to those of the van Wieringen group. After the age of five years the data of the recent study show a higher BMI compared to the data from van Wier-‐ ingen. 31
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