Incidence and time trends of type 2 diabetes mellitus in youth aged 5–19 years: a population-based registry in Zhejiang, China, 2007 to 2013

Table 4 Average annual percentage change of T2DM incidence by demographic factors

Characteristic	Average annual percentage change (%)	95% CIs		P-value
Characteristic	Average annual percentage change (%)	Lower (%)	Upper (%)	P-value
Boys
10–14 ys	57.99	29.50	92.74	<0.001
15–19 ys	30.75	25.09	36.67	<0.001
10–19 ys	33.95	27.11	41.16	<0.001
Girls
10–14 ys	18.84	1.04	39.77	0.037
15–19 ys	19.44	10.56	29.02	<0.001
10–19 ys	19.23	10.92	28.15	<0.001
Area of residence
Rural	31.85	24.23	39.93	<0.001
Urban	20.87	12.50	29.87	<0.001
All
10–14 ys	33.40	13.09	57.35	0.001
15–19 ys	25.38	18.75	32.38	<0.001
10–19 ys	26.60	19.68	33.91	<0.001

Multivariable Poisson regression models with the calendar year as a continuous variable and adjusting for the other covariates. Bold values indicate statistical significance

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