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Am J Public Health. 2013 Oct;103(10):e65-72. doi: 10.2105/AJPH.2013.301469. Epub 2013 Aug 15.

Fraction of gestational diabetes mellitus attributable to overweight and obesity by race/ethnicity, California, 2007-2009.

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Shin Y. Kim, Hoyt G. Wilson, Lucinda England, and Andrea J. Sharma are with the Division of Reproductive Health, National Center for Chronic Disease Prevention, Centers for Disease Control and Prevention, Atlanta, GA. Carina Saraiva, Michael Curtis, and Jennifer Troyan are with the California Department of Public Health, Surveillance, Assessment, and Program Development, Sacramento.



We calculated the racial/ethnic-specific percentages of gestational diabetes mellitus (GDM) attributable to overweight and obesity.


We analyzed 1 228 265 records of women aged 20 years or older with a live, singleton birth in California during 2007 to 2009. Using logistic regression, we estimated the magnitude of the association between prepregnancy body mass index and GDM and calculated the percentages of GDM attributable to overweight and obesity overall and by race/ethnicity.


The overall estimated GDM prevalence ranged from 5.4% among White women to 11.9% among Asian/Pacific Islander women. The adjusted percentages of GDM deliveries attributable to overweight and obesity were 17.8% among Asians/Pacific Islander, 41.2% among White, 44.2% among Hispanic, 51.2% among Black, and 57.8% among American Indian women. Select Asian subgroups, such as Vietnamese (13.0%), Asian Indian (14.0%), and Filipino (14.2%), had the highest GDM prevalence, but the lowest percentage attributable to obesity.


Elevated prepregnancy body mass index contributed to GDM in all racial/ethnic groups, which suggests that decreasing overweight and obesity among women of reproductive age could reduce GDM, associated delivery complications, and future risk of diabetes in both the mother and offspring.

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