. Author manuscript; available in PMC: 2014 Jan 10.

Published in final edited form as: J Diabetes Complications. 2013 Oct 4;28(1):10.1016/j.jdiacomp.2013.08.009. doi: 10.1016/j.jdiacomp.2013.08.009

Table 1.

Baseline Characteristics between women with pre-gestational diabetes and gestational diabetes in pregnancy.

Baseline Characteristic	Subjects with PGDM (n = 22,331)	Subjects with GDM (n = 147,097)	p-value
	n (prevalence)	n (prevalence)
Age (years)			<.001
15–19	545 (2.44%)	2495 (1.70%)
20–24	2684 (12.02%)	15,273 (10.38%)
25–29	4897 (21.93%)	33,237 (22.60%)
30–34	6352 (28.44%)	46,500 (31.61%)
35–39	5729 (25.65%)	38,327 (26.06%)
40–44	1996 (8.94%)	10,556 (7.18%)
45+	128 (0.57%)	709 (0.48%)
Advanced Maternal Age (≥35 years)	7853 (35.17%)	49,592 (33.71%)	<.001
Race/Ethnicity			<.001
Caucasian	6791 (30.41%)	45,348 (30.83%)
Black	1478 (6.62%)	4815 (3.27%)
Native American/Eskimo/Aleut	61 (0.27%)	196 (0.13%)
Asian/Pacific Islander	1574 (7.05%)	20,814 (14.15%)
Hispanic	12,427 (55.65%)	75,924 (51.61%)
Hypertensive disease present	4038 (18.08%)	11,547 (7.85%)	<.001
Private insurance	10,045 (45.12%)	77,095 (52.59%)	<.001

PGDM: Pre-gestational diabetes.

GDM: Gestational diabetes.