Table 2—

Factors associated with the recording of diabetes on death certificates and ORs and their associated 95% CIs in the TRIAD decedent population, 2000–2002

CharacteristicEntire cohort of deceased subjectsDiabetes listed as the underlying cause of death on death certificate (%)Unadjusted OR (95% CI)Adjusted OR (95% CI)Diabetes listed anywhere on death certificate (%)Unadjusted OR (95% CI)Fully adjusted OR (95% CI)Adjusted OR (95% CI) for those who died of CVD causes predicting diabetes listed anywhere on death certificateAdjusted OR (95% CI) for those who died of non-CVD causes predicting diabetes listed anywhere on death certificate
n540367367164203
Age at death (mean)70.30.99 (0.96–1.01)1.01 (0.99, 1.02)*
Sex (Referent: Male)
    Female4780.71 (0.40–1.27)370.88 (0.62–1.24)0.77 (0.49–1.23)
Race (referent: white)
    Hispanic14111.16 (0.50–2.69)380.98 (0.57–1.67)0.74 (0.33–1.65)
    Black23131.39 (0.71–2.71)401.09 (0.71–1.69)1.32 (0.70–2.48)
    Other1660.58 (0.22–1.58)370.94 (0.57–1.55)1.62 (0.69–3.82)
Education (referent: some high school or less)
    High school graduate26101.23 (0.60–2.53)391.08 (0.69–1.68)0.98 (0.54–1.77)
    College35111.24 (0.63–2.41)411.18 (0.78–1.76)1.08 (0.59–2.00)
Income (referent: <$15,000)
    $15,000-$40,0003470.65 (0.33–1.28)370.91 (0.61–1.34)0.84 (0.49–1.44)
    ≥$40,00018131.21 (0.59–2.50)401.04 (0.64–1.67)1.54 (0.75–3.15)
Age at diabetes diagnosis (referent: <30 years)*
    ≥30 years93100.92 (0.31–2.70)380.85 (0.44–1.66)
Duration of diabetes (referent: <5 years)
    5–14 years42111.87 (0.74–4.73)5.68 (1.26–25.55)411.90 (1.14–3.18)2.31 (1.16–4.59)0.74 (0.27–2.03)6.50 (2.27–18.65)
    15+ years39111.93 (0.76–4.89)4.16 (0.88–19.73)421.94 (1.16–3.37)2.12 (1.02–4.40)0.77 (0.28–2.14)5.53 (1.80–17.03)
Type of diabetes (referent: type 2 diabetes)*
    Type 1 diabetes4141.56 (0.45–5.50)622.70 (1.10–6.63)
Diabetes treatment (referent: non- insulin)
    Insulin (any)43131.84 (1.04–3.26)1.22 (0.59–2.53)451.65 (1.16–2.34)1.46 (0.91–2.36)1.44 (0.71–2.92)1.44 (0.76–2.76)
Smoker (referent: nonsmoker)
    Yes1990.87 (0.41–1.84)330.76 (0.48–1.20)0.82 (0.46–1.46)
Charlson index (mean)4.020.80 (0.67–0.97)0.78 (0.65–0.95)0.95 (0.87–1.04)0.94 (0.85–1.04)0.94 (0.80–1.09)0.94 (0.82–1.08)
    R20.06140.06050.03180.1055
    Hosmer-Lemeshow goodness-of-fit P value0.08560.46380.12580.2946
  • *

    * Not included in the fully adjusted model due to high collinearity with other variables in the model.

  • Not included in the adjusted model because of small cell sizes. CVD, cardiovascular disease; OR, odds ratio.