Table 2 Comparison of the boys’ and girls’ mean HC between the UAE 2020 chart and other charts; CDC, WHO, and UAE 1992 Footnote: UAE 2020 = this study; CDC = Center for Disease Control USA; WHO = World Health Organization; UAE 1992 = growth charts created in children in 1992; B = boys; G = girls; HC = Head circumference; n = number; m = months; SE = Standard Error of the Mean; yr = years.
Age | UAE 2020 | CDC | WHO | UAE 1992 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
n | Mean | SE | n | Mean | SE | p-value | n | Mean | SE | p-value | n | Mean | SE | p-value | ||
0 | B | 430 | 34.4 | 0.04 | 72 | 35.81 | 0.165 | < 0.001 | 893 | 36.71 | 0.058 | < 0.001 | 602 | 34.32 | 0.021 | 0.057 |
G | 473 | 34 | 0.05 | 71 | 34.7 | 0.266 | < 0.001 | 842 | 34.71 | 0.059 | < 0.001 | 583 | 35.42 | 0.034 | < 0.001 | |
3 m | B | 104 | 39.4 | 0.12 | 95 | 41.2 | 0.123 | < 0.001 | NA | NA | NA | NA | NA | 40.53 | NA | NA |
G | 102 | 40.6 | 0.15 | 99 | 40.47 | 0.121 | 0.502 | NA | NA | NA | NA | NA | 38.84 | NA | NA | |
6 m | B | 187 | 42.9 | 0.12 | 81 | 42.8 | 0.122 | 0.6163 | 419 | 43.72 | 0.065 | < 0.001 | NA | 43.68 | NA | NA |
G | 195 | 42.7 | 0.12 | 82 | 42.7 | 0.133 | 1 | 444 | 42.4 | 0.063 | < 0.016 | NA | 41.74 | NA | NA | |
1 year | B | 262 | 46.4 | 0.10 | 268 | 46.39 | 0.067 | 0.9335 | 417 | 46.35 | 0.063 | 0.6561 | 186 | 46.57 | 0.051 | 0.179 |
G | 242 | 46.1 | 0.10 | 230 | 45.2 | 0.110 | < 0.001 | 453 | 45.04 | 0.061 | < 0.001 | 168 | 45.38 | 0.051 | < 0.001 | |
1.5 yr | B | 219 | 46.7 | 0.11 | NA | 47.79 | NA | NA | 444 | 47.77 | 0.064 | < 0.001 | NA | 47.86 | NA | NA |
G | 235 | 46.3 | 0.1 | NA | 46.61 | NA | NA | 472 | 46.51 | 0.061 | 0.0602 | NA | 47.06 | NA | NA | |
2 yrs | B | 214 | 47.6 | 0.12 | 242 | 48.68 | 0.116 | < 0.001 | 593 | 48.66 | 0.058 | < 0.001 | 56 | 48.34 | 0.095 | 0.002 |
G | 203 | 47.5 | 0.13 | 249 | 47.54 | 0.076 | 0.782 | 598 | 47.47 | 0.056 | 0,8064 | 85 | 47.85 | 0.092 | 0.096 | |
3 yrs | B | 210 | 49.2 | 0.11 | 184 | 49.68 | 0.103 | 0.0017 | 531 | 49.68 | 0.069 | 0.0002 | 85 | 49.64 | 0.113 | 0.020 |
G | 184 | 49.1 | 0.13 | 155 | 48.63 | 0.106 | 0.007 | 487 | 48.63 | 0.069 | 0.0007 | 72 | 48.39 | 0.100 | 0.001 | |
4 yrs | B | 473 | 52.8 | 0.09 | NA | NA | NA | NA | 523 | 50.2 | 0.066 | < 0.001 | NA | NA | NA | NA |
G | 553 | 51.5 | 0.007 | NA | NA | NA | NA | 472 | 49.3 | 0.069 | 0.0007 | NA | NA | NA | NA | |
5 yrs | B | 563 | 52.1 | 0.06 | NA | NA | NA | NA | 494 | 50.7 | 0.072 | < 0.001 | NA | NA | NA | NA |
G | 637 | 51.8 | 0.06 | NA | NA | NA | NA | 504 | 49.9 | 0,067 | < 0.001 | NA | NA | NA | NA | |