Table 2.

Unadjusted and multivariable-adjusted risk for suicide among patients with ESRDa

CharacteristicUnadjusted RR (95% CI)Multivariable-Adjustedb RR (95% CI)
Age (yr)
    15–290.56 (0.24–1.31)0.65 (0.28–1.53)
    30–441.18 (0.78–1.79)1.17 (0.77–1.78)
    45–59ReferentReferent
    60–741.37 (0.98–1.92)1.13 (0.81–1.59)
    75+2.25 (1.58–3.22)1.49 (1.03–2.16)
Gender
    femaleReferentReferent
    male5.32 (3.76–7.52)5.10 (3.60–7.19)
RaceReferentReferent
    black4.17 (2.82–6.18)3.65 (2.43–5.48)
    white3.26 (1.58–6.70)3.62 (1.71–7.68)
    Asian0.32 (0.04–2.35)0.38 (0.05–2.83)
    other/unknown
Region
    Northeast (networks 1–4)ReferentReferent
    South (networks 5–8, 13, and 14)1.67 (1.13–2.47)1.89 (1.27–2.81)
    Midwest (networks 9–12)1.91 (1.26–2.89)1.78 (1.17–2.69)
    West (networks 15–18)2.01 (1.32–3.07)2.06 (1.34–3.16)
Diabetes0.77 (0.60–0.99)0.76 (0.59–0.99)
Ischemic heart disease1.81 (1.39–2.35)NS
Peripheral vascular disease1.48 (1.07–2.03)NS
Cancer2.04 (1.31–3.19)NS
COPD2.11 (1.43–3.10)NS
Alcohol or drug dependence2.74 (1.70–4.43)2.62 (1.60–4.28)
Hospitalization with mental illness (in preceding 12 mo)4.92 (2.76–8.78)2.42 (1.34–4.39)
Albumin <3.5 g/dl1.44 (1.02–2.02)NS
No. of hospital admissions (in preceding 12 mo)
    0ReferentReferent
    1–23.20 (2.36–4.33)3.07 (2.25–4.19)
    ≥34.01 (2.99–5.38)3.67 (2.69–5.01)
  • a RR, relative risk; CI, confidence interval; LR, likelihood ratio.

  • b Model adjusted for all covariates listed, LR χ2 = 350.41, P < 0.0001.