National Healthcare Quality Report 2004

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Table 1.20: Percent of adults age 18 and over with diagnosed diabetes with HbA1c level higher than 9.0% (poor control) or lower than 7.0% (optimal), United States, 1988-1994 and 1999-2000.

			NHANES (1999-2000)
	Not age-adjusted				Age-adjusted
Population group	Number	Percent	Standard error	Number	Percent	Standard error

Patients with HbA1c level < 7.0 (optimal)	406	37.0	3.8	406	38.3	6.6
Patients with HbA1c level > 9.0 (poor control)	406	20.2	2.7	406	28.6	7.2

			NHANES III (1988-1994)
	Not age-adjusted				Age-adjusted
Population group	Number	Percent	Standard error	Number	Percent	Standard error

Patients with HbA1c level < 7.0 (optimal)	1,222	43.3	2.5	1,222	43.2	4.5
Patients with HbA1c level > 9.0 (poor control)	1,222	23.5	1.9	1,222	28.3	3.6

Note: Estimates (except sample sizes) are weighted with the full sample NHANES weights (Mobile Exam Center weight for NHANES III; Mobile Exam Center weight for NHANES '99-'00). Age standardization used 2000 standard population with 3 age groups (18-39, 40-59, 60+).

Source: Centers for Disease Control and Prevention, National Center for Health Statistics, National Health and Nutrition Examination Survey.

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