More than out one of three individuals has diabetes or impaired fasting glucose, a condition that increases the risk of developing diabetes, according to a new study.

The study included information on 4,761 adults, aged 20 years and older, who were classified according to their glycemic status. Findings were based on four years of data from the National Health and Nutrition Examination Survey. Dr. Catherine C. Cowie of the National Institute of Diabetes and Digestive and Kidney Diseases led a team of researchers.

More than 35% of study participants, representing 73.3 million individuals, had diabetes or impaired fasting glucose in 2002, the researchers report in the journal Diabetes Care.