Table 1

Baseline characteristics in 1986 of the IWHS by follow-up leukemia status

Cases (138)aNoncases (35,221)aP
Education, no. (%)
 <High school34 (24.6)6,284 (17.9)
 High school51 (37.0)14,739 (42.1)
 >High school53 (38.4)13,992 (40.0)0.11
Marital Status, no. (%)
 Current101 (73.7)26,996 (77.4)
 Former32 (23.4)7,024 (20.1)
 Never4 (2.9)859 (2.5)0.72
Residence, no. (%)
 Nonfarm132 (95.6)33,547 (95.6)
 Farm6 (4.4)1,536 (4.4)0.99
Blood transfusion, no. (%)
 No86 (63.2)24,919 (71.4)
 Yes43 (31.6)8,875 (25.4)
 Not sure7 (5.2)1,080 (3.1)0.08
Cigarette smoking (%)
 Current26 (19.3)5,156 (14.9)
 Past21 (15.6)6,727 (19.4)
 Never88 (65.2)22,731 (65.7)0.91
Mean total energy
 Intake, kcal/day1,862.01,798.30.27
Alcohol consumption
 Servings/wk1.72.00.36
BMI
 Baseline, kg/m227.927.00.03
  • a Participants with missing values for certain characteristics are excluded in the totals.