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. 2015 Mar 9;12(3):2905–2922. doi: 10.3390/ijerph120302905

Table 6.

Results of mean differences between the CDC and Peruvian schoolchildren for height, body mass, body mass index and waist circumference from both sexes aged 4 to 17 years.

Age(Years) Height Body Mass Body Mass Index Waist Circumference
CDC PERU Mean p CDC PERU Mean p CDC PERU Mean p NHNES PERU Mean p
Mean Mean Difference Mean Mean Difference Mean Mean Difference Mean Mean Difference
Boys
4 105.6 104.7 −0.86 0.010 17.7 18.2 0.56 0.003 15.8 16.6 0.78 0.001 51.5 52.3 0.75 0.008
5 112.4 109.6 −2.85 0.001 20.0 20.2 0.20 0.347 15.8 16.7 0.99 0.001 53.2 53.3 0.63 0.837
6 118.7 113.5 −5.15 0.001 22.2 21.7 −0.52 0.022 15.8 16.8 1.02 0.001 55.0 54.8 −0.16 0.532
7 125.0 119.1 −5.97 0.001 24.8 24.2 −0.61 0.026 15.9 17.0 1.06 0.001 57.4 56.9 −0.52 0.093
8 130.1 123.5 −6.63 0.001 27.4 26.7 −0.74 0.027 16.2 17.4 1.14 0.001 60.0 58.9 −1.10 0.003
9 135.8 128.8 −6.99 0.001 31.2 29.9 −1.27 0.001 16.9 17.9 1.00 0.001 62.6 60.9 −1.66 0.001
10 141.0 133.0 −7.95 0.001 34.8 32.7 −2.06 0.001 17.5 18.3 0.86 0.001 65.4 62.4 −3.73 0.001
11 146.1 138.5 −7.64 0.001 39.0 37.4 −1.56 0.001 18.2 19.4 1.17 0.001 68.1 65.2 −2.91 0.001
12 153.1 145.1 −8.02 0.001 43.5 42.0 −1.51 0.010 18.6 19.7 1.09 0.001 70.9 66.8 −4.14 0.001
13 159.7 150.1 −9.65 0.001 49.8 44.5 −5.35 0.001 19.5 19.6 0.07 0.708 73.4 66.5 −7.71 0.001
14 167.3 156.8 −10.44 0.001 56.4 50.1 −6.33 0.001 20.2 20.2 0.25 0.878 75.5 68.8 −6.73 0.001
15 171.5 160.8 −10.67 0.001 61.1 53.8 −7.29 0.001 20.8 20.7 −0.03 0.830 77.3 70.2 −7.11 0.001
16 174.5 163.1 −11.33 0.001 66.2 56.5 −9.78 0.001 21.7 21.1 −0.58 0.001 78.9 72.0 −6.87 0.001
17 175.9 163.2 −12.73 0.001 67.8 57.4 −10.32 0.001 21.9 21.5 −0.38 0.096 80.1 72.6 −7.50 0.001
Girls
4 104.5 103.5 −1.01 0.002 17.2 17.5 0.30 0.067 15.7 16.3 0.63 0.001 51.5 51.1 −0.44 0.103
5 111.8 109.3 −2.50 0.001 19.8 19.9 0.12 0.580 15.7 16.6 0.84 0.001 52.9 52.2 −0.65 0.028
6 117.9 113.0 −4.86 0.001 21.6 21.3 −0.29 0.190 15.5 16.6 1.14 0.001 54.6 53.9 −0.67 0.013
7 123.9 118.5 −5.38 0.001 24.3 24.0 −0.28 0.313 15.8 17.0 1.20 0.001 57.0 55.8 −1.20 0.001
8 129.9 124.3 −5.55 0.001 27.6 26.7 −0.95 0.002 16.4 17.2 0.79 0.001 59.7 57.4 −2.26 0.001
9 135.6 129.8 −5.79 0.001 31.7 30.4 −1.26 0.001 17.2 17.9 0.66 0.001 62.6 60.0 −2.64 0.001
10 141.4 135.2 −6.19 0.001 34.9 33.2 −1.71 0.001 17.4 18.0 0.54 0.001 66.0 60.7 −5.34 0.001
11 148.3 142.0 −6.24 0.001 40.8 39.1 −1.75 0.001 18.6 19.2 0.61 0.001 69.7 63.4 −6.31 0.001
12 154.7 145.9 −8.88 0.001 46.4 41.8 −4.58 0.010 19.3 19.5 0.21 0.140 72.8 64.4 −8.37 0.001
13 159.0 149.6 −9.41 0.001 51.1 45.7 −5.32 0.001 20.2 20.4 0.21 0.198 75.0 66.8 −8.25 0.001
14 161.0 151.0 −14.00 0.001 54.4 48.2 −6.21 0.001 21.0 21.1 0.13 0.397 76.5 68.1 −8.39 0.001
15 163.0 152.3 −10.66 0.001 56.1 50.1 −6.02 0.001 21.0 21.5 0.50 0.001 77.4 69.0 −8.39 0.001
16 162.6 153.0 −9.54 0.001 57.5 51.6 −5.94 0.001 21.8 22.0 0.23 0.120 78.0 69.8 −8.21 0.001
17 163.0 152.9 −10.03 0.001 59.0 52.5 −6.53 0.001 22.3 22.4 0.16 0.543 78.5 70.5 −7.95 0.001