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. 2010 Jan 19;33(3):562–568. doi: 10.2337/dc09-1524

Table 1.

Crude prevalence of diagnosed diabetes, undiagnosed diabetes (A1C ≥6.5%), total diabetes (diagnosed and undiagnosed combined), total diabetes that is undiagnosed, and at high risk for diabetes (A1C ≥6.0 to <6.5%), by age, sex, and race/ethnicity: NHANES 2003–2006 (n = 13,094)

Diagnosed diabetes Undiagnosed diabetes Total diabetes Total diabetes that is undiagnosed At high risk for diabetes
Combined age-groups (years)
    ≥12 6.8 (6.1–7.5) 1.6 (1.2–1.9) 8.4 (7.6–9.2) 19.0 (15.2–22.7) 3.1 (2.7–3.4)
    ≥20 7.8 (7.0–8.6) 1.8 (1.4–2.2) 9.6 (8.7–10.5) 19.0 (15.2–22.7) 3.5 (3.0–3.9)
    ≥65 17.7 (15.6–19.7) 3.5 (2.6–4.3) 21.1 (18.7–23.5) 16.3 (12.9–19.8) 8.1 (6.6–9.6)
Age-specific groups (years)
    12–19 0.4 (0.2–0.7) 0.1 (0.0–0.2) 0.5 (0.2–0.8) 17.5 (0.0–36.4) 0.3 (0.1–0.5)
    20–39 1.9 (1.4–2.4) 0.6 (0.3–0.9) 2.5 (1.9–3.1) 25.6 (16.3–35.0) 0.7 (0.4–1.0)
    40–59 8.1 (6.9–9.4) 2.0 (1.3–2.7) 10.1 (8.7–11.5) 19.5 (13.1–25.9) 3.7 (3.1–4.4)
    60–74 17.6 (15.7–19.5) 3.5 (2.1–4.9) 21.1 (18.7–23.4) 16.5 (10.7–22.2) 7.1 (5.5–8.8)
    ≥75 15.2 (12.9–17.6) 3.5 (2.4–4.6) 18.7 (16.6–20.9) 18.8 (12.7–24.9) 8.7 (7.2–10.2)
Sex by age (years)
    Men
        ≥12 6.5 (5.6–7.5) 1.8 (1.2–2.4) 8.3 (7.4–9.3) 21.8 (15.2–28.4) 3.1 (2.7–3.6)
        ≥20 7.5 (6.4–8.5) 2.1 (1.4–2.8) 9.6 (8.5–10.6) 21.8 (15.2–28.4) 3.5 (3.0–4.1)
        ≥65 18.1 (15.3–20.9) 3.8 (2.2–5.3) 21.8 (18.5–25.2) 17.2 (11.2–23.2) 8.3 (6.6–10.0)
    Women
        ≥12 7.1 (6.2–7.9) 1.4 (1.1–1.7) 8.4 (7.4–9.4) 16.3 (13.3–19.3) 3.0 (2.4–3.6)
        ≥20 8.0 (7.1–8.9) 1.6 (1.2–1.9) 9.6 (8.4–10.7) 16.3 (13.3–19.3) 3.4 (2.7–4.1)
        ≥65 17.4 (14.8–20.0) 3.2 (2.2–4.3) 20.6 (17.5–23.7) 15.7 (11.8–19.5) 7.9 (6.0–9.9)
Race/ethnicity by age (years)
    Non-Hispanic white
        ≥12 6.2 (5.3–7.1) 1.3 (0.8–1.8) 7.5 (6.5–8.5) 17.5 (12.1–22.9) 2.7 (2.3–3.2)
        ≥20 6.9 (6.0–7.9) 1.5 (0.9–2.0) 8.4 (7.3–9.5) 17.5 (12.1–23.0) 3.1 (2.6–3.6)
        ≥65 16.0 (13.8–18.2) 2.8 (1.9–3.8) 18.8 (16.2–21.4) 15.1 (10.9–19.3) 7.7 (6.1–9.3)
    Non-Hispanic black
        ≥12 9.3 (8.0–10.5) 2.1 (1.6–2.5) 11.4 (10.0–12.7) 18.3 (14.6–21.9) 5.7 (4.7–6.6)
        ≥20 11.2 (9.7–12.6) 2.5 (1.9–3.0) 13.7 (12.1–15.2) 18.2 (14.5–21.9) 6.7 (5.6–7.8)
        ≥65 25.2 (19.7–30.7) 7.5 (4.9–10.1) 32.7 (26.8–38.5) 22.9 (15.4–30.4) 13.2 (9.8–16.7)
    Mexican American
        ≥12 6.5 (5.3–7.7) 2.5 (1.5–3.5) 9.0 (7.4–10.6) 27.9 (19.4–36.3) 2.3 (1.5–3.1)
        ≥20 7.9 (6.5–9.2) 3.0 (1.8–4.2) 10.9 (9.0–12.8) 27.7 (19.2–36.2) 2.8 (1.8–3.7)
        ≥65 26.6 (22.5–30.7) 5.2 (2.5–8.0) 31.8 (28.4–35.2) 16.4 (7.9–25.0) 8.3 (3.7–12.8)

Data are % (95% CI). Diagnosed diabetes determined by self-report on interview. Values by age alone and by sex include those of race/ethnic groups not listed separately.