Table 2.

Multivariate analysis of factors associated with ATT in patients who had ESRD and were older than 18 yr and repeated with a term for the interaction between decade of age and gender included

FactorPopulation BasedInteraction Term
Demographics
    female0.89 (0.88 to 0.90)1.06 (1.04 to 1.08)
    age (decade)0.67 (0.67 to 0.68)0.70 (0.69 to 0.70)
    age and female genderN/A0.93 (0.92 to 0.94)
    black0.74 (0.73 to 0.75)0.74 (0.73 to 0.75)
Insurance type
    no insurance0.52 (0.51 to 0.53)0.52 (0.51 to 0.53)
    Medicaid0.52 (0.51 to 0.53)0.52 (0.51 to 0.53)
    Medicare0.52 (0.51 to 0.53)0.52 (0.51 to 0.53)
    Medicare and Medicaid0.42 (0.41 to 0.43)0.42 (0.41 to 0.44)
    privateReferenceReference
BMI
    <180.75 (0.72 to 0.77)0.74 (0.72 to 0.77)
    18 to 25ReferenceReference
    25 to 301.19 (1.17 to 1.21)1.19 (1.18 to 1.21)
    30 to 351.22 (1.20 to 1.24)1.22 (1.21 to 1.24)
    35 to 401.05 (1.02 to 1.07)1.05 (1.03 to 1.07)
    >400.70 (0.68 to 0.72)0.70 (0.68 to 0.72)
Primary cause of ESRD
    diabetes0.87 (0.85 to 0.90)0.87 (0.85 to 0.90)
    hypertension0.73 (0.72 to 0.74)0.73 (0.72 to 0.74)
    glomerulonephritisReferenceReference
    polycystic kidney1.43 (1.41 to 1.46)1.43 (1.41 to 1.46)
    urologic0.80 (0.78 to 0.83)0.79 (0.77 to 0.82)
    other0.67 (0.66 to 0.69)0.67 (0.65 to 0.68)
    unknown0.78 (0.75 to 0.80)0.78 (0.75 to 0.80)
Erythropoietin1.34 (1.32 to 1.35)1.33 (1.32 to 1.35)
Hypertension1.21 (1.20 to 1.23)1.22 (1.20 to 1.23)
Diabetes0.82 (0.80 to 0.85)0.82 (0.80 to 0.85)
Heart disease
    dysrhythmia0.76 (0.72 to 0.79)0.75 (0.72 to 0.79)
    MI0.89 (0.85 to 0.92)0.88 (0.85 to 0.91)
    cardiac failure0.63 (0.62 to 0.64)0.63 (0.62 to 0.65)
Vascular disease
    cerebrovascular disease0.69 (0.67 to 0.72)0.69 (0.67 to 0.72)
    peripheral vascular disease0.71 (0.69 to 0.73)0.71 (0.69 to 0.73)
    ischemic heart disease0.84 (0.82 to 0.86)0.83 (0.81 to 0.85)
Other
    smoker0.78 (0.76 to 0.80)0.78 (0.76 to 0.80)
    immobile0.31 (0.28 to 0.33)0.31 (0.28 to 0.34)
    cancer0.49 (0.46 to 0.51)0.48 (0.46 to 0.51)
    pulmonary disease0.56 (0.53 to 0.58)0.55 (0.53 to 0.58)
  • Data are RR (95% CI). All covariates are binary except age and the age/female gender interaction term, which are listed as RR per decade. P < 0.001 for all RR estimates.