Table 3.

Age-adjusted HR for NHL, leukemia, and multiple myeloma mortality associated with potential risk factors among men in the Chicago Heart Association Detection Project in Industry, 1967-1973

Risk factorsPerson-yearsNHL
Leukemia
Multiple myeloma
No. deathsHR (95% CI)No. deathsHR (95% CI)No. deathsHR (95% CI)
BMI*
    Q1 (≤24.12)142,657101.0151.071.0
    Q2 (24.13-26.30)142,529211.95 (0.92-4.15)231.41 (0.74-2.71)70.93 (0.33-2.64)
    Q3 (26.31-28.61)136,692232.09 (0.99-4.40)352.07 (1.13-3.80)121.56 (0.61-3.96)
    Q4 (≥28.62)132,152272.56 (1.24-5.30)311.90 (1.02-3.53)121.63 (0.64-4.17)
    Ptrend0.010.030.20
Plasma glucose level (mg/dL)
    ≤119253,926201.0281.0141.0
    120-159183,768311.81 (1.02-3.20)451.74 (1.08-2.82)191.41 (0.70-2.87)
    160-19980,356182.06 (1.07-3.99)171.24 (0.66-2.30)30.41 (0.12-1.47)
    ≥20035,981122.82 (1.33-5.99)141.98 (1.01-3.89)20.52 (0.11-2.38)
    Ptrend<0.010.110.20
Cigarette smoking
    Never153,888251.0271.0141.0
    Former165,503290.98 (0.58-1.68)371.14 (0.70-1.88)80.48 (0.20-1.15)
    Current, ≤20 cigarettes/d156,784170.79 (0.43-1.47)210.92 (0.52-1.62)110.92 (0.41-2.03)
    Current, >20 cigarettes/d77,856101.00 (0.48-2.08)191.78 (0.99-3.21)50.91 (0.33-2.55)
    Ptrend0.690.210.97
Education
    <High school96,147151.0171.0141.0
    High school169,585271.30 (0.67-2.46)381.74 (0.98-3.11)140.73 (0.34-1.54)
    >High school288,299391.18 (0.64-2.17)491.46 (0.83-2.56)100.33 (0.14-0.75)
    Ptrend0.710.35<0.01
Race
    White/Other518,122781.01021.0321.0
    African American35,90830.67 (0.21-2.12)20.35 (0.09-1.41)63.47 (1.44-8.36)
  • NOTE: HRs adjusted for six categories of age (≤49, 50-54, 55-59, 60-64, 65-69, and ≥70 y) using Cox proportional hazards regression.

  • * Weight (kg)/height (m)2.

  • P for trend was computed by modeling the within-category mean level of each risk factor as a continuous variable.