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Table 2—

Ethnicity-specific diabetes ORs (95% CI) associated with quartiles of 25OHD, adjusted for age, sex, BMI, leisure time physical activity, and season

25OHD (nmol/l)Non-Hispanic whites
Non-Hispanic blacks
Mexican Americans
Diabetes
OR (95% CI)Diabetes
OR (95% CI)Diabetes
OR (95% CI)
YesNoYesNoYesNo
Fasting glucose          
    ≤43.9* 25 245 1.00 27 838 1.00 27 387 1.00 
    44.0–60.4 28 542 0.35 (0.15–0.81) 28 451 2.83 (1.50–5.33) 26 479 0.52 (0.27–1.00) 
    60.5–80.9 31 783 0.27 (0.12–0.64) 10 251 1.10 (0.50–2.45) 490 0.21 (0.08–0.52) 
    ≥81.0 26 1086 0.25 (0.11–0.60) 124 3.40 (1.07–10.86) 302 0.17 (0.08–0.37) 
2-h glucose          
    ≤45.2§ 17 132 1.00 24 329 1.00 29 155 1.00 
    45.3–60.4 26 288 0.45 (0.18–1.13) 17 164 1.52 (0.74–3.16) 28 154 0.85 (0.35–2.08) 
    60.5–79.9 37 373 0.42 (0.20–0.90) 12 96 1.32 (0.59–2.93) 21 155 0.76 (0.32–1.79) 
    ≥80.0 29 484 0.28 (0.12–0.66) 55 0.76 (0.18–3.18) 108 0.45 (0.15–1.38) 
25OHD (nmol/l)Non-Hispanic whites
Non-Hispanic blacks
Mexican Americans
Diabetes
OR (95% CI)Diabetes
OR (95% CI)Diabetes
OR (95% CI)
YesNoYesNoYesNo
Fasting glucose          
    ≤43.9* 25 245 1.00 27 838 1.00 27 387 1.00 
    44.0–60.4 28 542 0.35 (0.15–0.81) 28 451 2.83 (1.50–5.33) 26 479 0.52 (0.27–1.00) 
    60.5–80.9 31 783 0.27 (0.12–0.64) 10 251 1.10 (0.50–2.45) 490 0.21 (0.08–0.52) 
    ≥81.0 26 1086 0.25 (0.11–0.60) 124 3.40 (1.07–10.86) 302 0.17 (0.08–0.37) 
2-h glucose          
    ≤45.2§ 17 132 1.00 24 329 1.00 29 155 1.00 
    45.3–60.4 26 288 0.45 (0.18–1.13) 17 164 1.52 (0.74–3.16) 28 154 0.85 (0.35–2.08) 
    60.5–79.9 37 373 0.42 (0.20–0.90) 12 96 1.32 (0.59–2.93) 21 155 0.76 (0.32–1.79) 
    ≥80.0 29 484 0.28 (0.12–0.66) 55 0.76 (0.18–3.18) 108 0.45 (0.15–1.38) 

Based on those who attended NHANES III morning examination and fasted ≥8 h (excluding diagnosed diabetes).

*

Quartiles for all ethnic groups aged ≥20 years.

P < 0.05,

P < 0.01 vs. quartile 1.

§

Quartiles for all ethnic groups aged 40–74 years.

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