. Author manuscript; available in PMC: 2016 Jan 5.

Published in final edited form as: Am J Perinatol. 2014 Jun 27;32(3):251–256. doi: 10.1055/s-0034-1383848

Table 1.

Maternal demographic and laboratory data by adherence to 2009 IOM guidelines

	< IOM recs (n = 149)	= IOM recs (n = 124)	> IOM recs (n = 193)
	Mean ± SD or n (%)
Maternal age at delivery (y)	32.0 ± 5.3	31.1 ± 5.5	30.5 ± 6.0
Ethnicity^a
Caucasian	38 (26)	28 (23)	51 (26)
African American	12 (8)	6 (5)	35 (18)
Hispanic	99 (66)	90 (73)	107 (55)
Gestational age at term delivery (wks)	39.1 ± 0.99	39.0 ± 0.97	39.2 ± 1.0
50 g 1-h oral glucose load	175 ± 27.4	174 ± 23.8	174 ± 23.3
100 g 3-h oral glucose tolerance test
Fasting^a	82 ± 17.2	97 ± 20.0	99 ± 15.6
1 h	207 ± 28.7	213 ± 30.2	211 ± 31.0
2 h	191 ± 35.1	191 ± 39.0	190 ± 34.3
3 h	146 ± 38.6	142 ± 43.0	138 ± 44.1
Pharmacologic management (insulin or oral medication)	69 (46)	67 (54)	115 (60)

Abbreviations: IOM, Institute of Medicine; SD, standard deviation.

p < 0.05.