Table 3.

Percentage of men 25–70 with diabetes who have undiagnosed diabetes in NHANES II, III, and IV

Variable	NHANES II (1976–1980)	NHANES III (1988–1994)	NHANES IV (1999–2002)
Education, %
Ed 0–11	48.2	40.5	31.1
Ed 12	43.7	30.7	19.3
Ed > 12	49.6	22.9	16.4
Income, %
Lowest	55.1	37.8	27.5
Middle	44.3	26.3	13.8
Highest	45.5	25.7	19.4
Ethnicity, %
White non-Hispanic	46.0	26.4	21.2
Hispanic	65.4	44.0	21.4
African-American	41.7	45.1	24.3
All	48.2	32.5	21.6

Respondents are divided into three equal income terciles in each NHANES. All other variables are defined in Tables 1 and 2. All data are weighted.