Table 4.

Incidence rate of diabetes (2001–2005) by socioeconomic indicators

		Number	Incidence rate: Memorial data	Incidence rate: birth certificate data	Ratio of incidence rate: birth certificate/Memorial data
Maternal Educationa	College or higher	29653	5.18 %	1.95 %	0.38
	High School or lower	20917	6.18 %	2.01 %	0.32
	Unknown	973	3.49 %	1.75 %	0.50
	p-value: College or higher vs. High school or lower		0.00*	0.66	0.01*
Race/ethnicitya	Asian	6897	7.41 %	2.65 %	0.36
	Black	4561	4.93 %	1.67 %	0.34
	Hispanic	18755	6.95 %	2.24 %	0.32
	Non-Hispanic White	19856	3.63 %	1.54 %	0.42
	Other	965	8.19 %	2.38 %	0.29
	Unknown	509	4.52 %	1.77 %	0.39
	p -value: Asian-Black		0.00*	0.00*	0.35
	p -value: Asian-Hispanic		0.21	0.06	0.15
	p -value: Black-Hispanic		0.00*	0.01*	0.37
	p -value: Hispanic- NH White		0.00*	0.00*	0.00*
Insurancea	Private	34489	5.25 %	1.95 %	0.37
	Public	15034	6.25 %	2.02 %	0.32
	Other	2015	5.56 %	1.94 %	0.35
	Unknown	5	0.00 %	0.00 %	N.A.
	p-value: Private vs. Public		0.00*	0.61	0.05*

^aThe classification of socioeconomic status was based on variables reported in the birth certificate data

*Statistically significant result at an alpha level of 0.05