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. 2009 Aug 12;32(11):2010–2015. doi: 10.2337/dc09-0891

Figure 1.

Figure 1

Estimates of relative diabetes prevalence associated with month of birth among 9,737 U.S. youth with type 1 diabetes, showing unsmoothed and smoothed (± SEM) data. The P value here and in all figures is derived from a global, nonparametric test of the 12 birth-month estimates, irrespective of smoothing.