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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Pediatr Obes. 2012 Aug 8;7(5):365–373. doi: 10.1111/j.2047-6310.2012.00074.x

Figure 1. Comparison of BMI and BMI Z score from birth to 5 years old between children being overweight vs. non-overweight at 4–5 years in China*†‡.

Figure 1

*BMI for age Z score was calculated based on the 2006 WHO Growth Standard.

†Overweight (n = 239): BMI Z score ≥ 2 SD at 4–5 years; others (n = 11,600): non- overweight.

‡The BMI and BMI Z score growth curves by overweight at 4–5 years were presented using locally weighted scatter plot smoothing curve.

The 4 tangent lines on each figure showed how the growth rates in figure 2 were drawn from these growth curves.