Table 2—

ORs (95% CI) for incident diabetes occurring ≥10 years after baseline enrollment by category of baseline periodontal index: NHANES I and NHEFS, 1971–1974 with follow-up in 1981–1984 through 1992

Model*Category PI0: crude incidence 114 of 3,293 (3%)Category PI1: crude incidence 30 of 736 (4%)Category PI2: crude incidence 38 of 742 (5%)Category PI3: crude incidence 55 of 723 (8%)Category PI4: crude incidence 45 of 720 (6%)Category PI5: crude incidence 43 of 706 (6%)Edentulous: crude incidence 120 of 2,004 (6%)
11.01.23 (0.73–2.09)1.23 (0.72–2.11)2.85 (2.00–4.07)2.42 (1.64–3.56)2.00 (1.15–3.49)1.73 (1.24–2.42)
21.01.24 (0.74–2.06)1.12 (0.66–1.90)2.32 (1.61–3.33)1.94 (1.26–3.01)1.43 (0.76–2.68)1.18 (0.82–1.69)
31.01.16 (0.69–1.96)1.05 (0.61–1.82)2.24 (1.55–3.23)1.70 (1.08–2.68)1.26 (0.67–2.39)1.12 (0.78–1.61)
41.01.18 (0.70–1.97)1.07 (0.63–1.82)2.26 (1.56–3.27)1.71 (1.09–2.69)1.26 (0.67–2.39)1.11 (0.77–1.59)
  • Total n = 8,924; n = 445 incident diabetes cases. Incident diabetes was restricted to those cases occurring ≥10 years after baseline enrollment (to minimize bias due to undiagnosed diabetes at baseline).

  • *

    * Model 1: crude; model 2: adjusted for age, sex, race, education, and smoking status; model 3: model 2 + BMI, subscapular skinfold, and physical activity level; model 4: model 3 + hypertension and total cholesterol. PI, periodontal index.