Table 1.

NHL cases and subjects without NHL in the MEC Study

CharacteristicWomen
Men
Cases (n = 378)*Person-years at riskCases (n = 461)*Person-years at risk
Age at cohort entry (y)
    45-5457 (15.1)189,83967 (14.5)115,880
    55-64121 (32.0)325,541136 (29.5)207,288
    65-74183 (48.4)333,271227 (49.2)330,883
    ≥7517 (4.5)111,78131 (6.7)110,418
Ethnicity
    Caucasian110 (29.1)231,107133 (28.9)195,651
    African American75 (19.8)193,05966 (14.3)106,275
    Native Hawaiian23 (6.1)69,07227 (5.9)52,624
    Japanese85 (22.5)258,026126 (27.3)225,352
    Latino85 (22.5)209,168109 (23.6)189,284
Education (y)
    ≤12192 (51.5)433,975188 (41.1)308,876
    13-16138 (37.0)400,073213 (46.5)346,781
    >1643 (11.5)114,99557 (12.5)105,796
BMI at cohort entry (kg/m2)
    <22.597 (26.4)267,30568 (14.9)7,726
    22.5-24.989 (24.3)199,906138 (30.2)315,442
    25-29.9110 (30.0)292,974193 (42.2)330,883
    ≥3071 (19.4)185,86258 (12.7)110,418
BMI at age 21 (kg/m2)
    <18.549 (14.2)171,30437 (8.4)52,688
    18.5-24.9267 (77.6)647,738338 (76.8)573,707
    25-29.922 (6.4)50,99354 (12.3)92,898
    ≥306 (1.7)16,68411 (2.5)13,616
Smoking
    Never smoker214 (57.4)525,187125 (27.3)230,958
    Former smoker113 (30.3)281,904255 (55.7)392,648
    Current smoker46 (12.3)135,89278 (17.0)137,225
Alcohol intake
    No alcohol293 (77.5)737,274236 (51.2)375,360
    ≤1 serving/d54 (14.3)140,01597 (21.0)174,477
    >1 serving/d31 (8.2)83,143128 (27.8)219,349
NHL group
    DLBCL132 (34.9)152 (33.0)
    Follicular78 (20.6)51 (11.1)
    T cell20 (5.3)34 (7.4)
    Small lymphocytic lymphoma/CLL67 (17.7)112 (24.3)
    Other81 (21.4)112 (24.3)
Follow-up (y), mean4.84.6
  • * Number of cases by category may add up to less than 461 due to missing values.