Table 2—

Five-year diabetes incidence for cigarette smoking among total sample and glucose tolerance categories

Smoking categoriesnUnadjustednAdjusted model 1*nAdjusted model 2nAdjusted model 3
Total sample
    n906895892888
    Never4241.04191.04181.04161.0
    Former3541.14 (0.78–1.69)3491.13 (0.74–1.72)3471.20 (0.77–1.85)3451.31 (0.82–2.09)
    Current1282.02 (1.25–3.28)§1272.06 (1.23–3.46)§1272.36 (1.37–4.05)§1272.66 (1.49–4.77)§
NGT
    n603596594593
    Never2791.02751.02741.02741.0
    Former2361.28 (0.62–2.65)2341.12 (0.52–2.42)2331.21 (0.54–2.69)2321.32 (0.58–3.03)
    Current883.91 (1.85–8.29)873.30 (1.44–7.56)§874.03 (1.69–9.62)§875.27 (2.11–13.16)
IGT
    n303299298295
    Never1451.01441.01441.01421.0
    Former1181.14 (0.68–1.91)1151.30 (0.74–2.30)1141.33 (0.75–2.37)1131.44 (0.79–2.62)
    Current401.48 (0.72–3.05)401.63 (0.74–3.56)401.76 (0.79–3.92)401.58 (0.69–3.64)
  • Data are OR (95% CI) unless otherwise indicated.

  • *

    * Adjusted for age, sex, ethnicity, total energy expenditure, alcohol consumption, clinic, and ethnicity × clinic.

  • Adjusted for age, sex, ethnicity, clinic, BMI, waist circumference, and ethnicity × clinic.

  • Adjusted for age, sex, ethnicity, clinic, BMI, waist-to-hip ratio, glucose tolerance status, HDL cholesterol level, triglyceride level, hypertension, and ethnicity × clinic.

  • §

    § Significant at the <0.01 level;

  • significant at the <0.001 level.