Table 3

Dose-response relationship between periodontal pocket depth and IFG and diabetes

HyperglycemiaQuintile (1-5) for pocket depth (reference: quintile 1, n = 2,451)P for trend
Quintile 2 (n = 2,413 )Quintile 3 (n = 2,512)Quintile 4 (n = 2,429)Quintile 5 (n = 2,449)
OR (95% CI)OR (95% CI)OR (95% CI)OR (95% CI)
Median pocket depth (quintile 1: 1.00)1.251.501.752.25
IFG*
 Adjusted for age and sex0.86 (0.69–1.08)1.14 (0.89–1.46)0.98 (0.78–1.23)1.40 (1.08–1.23)<0.01
 Additionally adjusted for education, income, and race0.89 (0.68–1.13)1.12 (0.86–1.47)0.92 (0.73–1.17)1.40 (1.05–1.87)0.03
 Additionally adjusted for smoking, alcohol intake, missing teeth, and dental visit0.88 (0.67–1.14)1.08 (0.82–1.42)0.92 (0.72–1.18)1.39 (1.00–1.93)0.07
 Additionally adjusted for BMI, central adiposity, and physical activity0.82 (0.62–1.08)1.00 (0.76–1.32)0.87 (0.67–1.12)1.23 (0.86–1.76)<0.01
Diabetes†
 Adjusted for age and sex1.60 (1.13–2.25)1.15 (0.87–1.53)1.49 (0.99–2.24)2.66 (1.92–3.68)<0.01
 Additionally adjusted for education, income, and race1.69 (1.14–2.49)1.25 (0.87–1.81)1.62 (1.06–2.48)2.28 (1.65–3.15)<0.01
 Additionally adjusted for smoking, alcohol intake, missing teeth, and dental visit1.47 (0.97–2.24)1.26 (0.86–1.84)1.63 (1.05–2.53)2.06 (1.48–2.88)<0.01
 Additionally adjusted for BMI, central adiposity, and physical activity1.40 (0.91–2.18)1.16 (0.74–1.73)1.44 (0.92–2.25)1.63 (1.10–2.42)<0.01
  • *Excluding subjects with diabetes. †Excluding subjects with IFG.