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Table 1.

Association of selected demographic and lifestyle characteristics at baseline with risk of CML in the NIH-AARP Diet and Health Study, 1995 to 2006

N = 493,188
CasesPerson-yearsHR95% CI
Age (years) 
 <60 50 1,700,268 1.00a Ref. 
 60–65 37 1,260,345 0.99 0.65–1.52 
 ≥65 91 1,525,551 2.00 1.42–2.83 
Sex 
 Male 139 2,625,367 1.00b Ref. 
 Female 39 1,860,798 0.40 0.28–0.57 
Education (years) 
 <12 21 261,095 1.00c Ref. 
 12–15 95 2,363,407 0.57 0.36–0.92 
 ≥16 57 1,733,067 0.42 0.25–0.69 
 Missing    
Race 
 White 167 4,085,600 1.00c Ref. 
 Black 176,855 0.70 0.26–1.90 
 Other 223,710 0.78 0.37–1.66 
Smoking 
 Never 47 1,623,495 1.00c Ref. 
 Former 104 2,185,523 1.38 0.97–1.96 
 Current 24 508,640 1.50 0.89–2.50 
 Missing    
Alcohol (drinks/day) 
 Never 41 1,084,438 1.00c Ref. 
 >0–<1 87 2,386,138 0.94 0.65–1.37 
 ≥1–<3 35 685,172 1.13 0.72–1.78 
 ≥3 15 330,417 0.94 0.52–1.70 
BMI (kg/m2
 <25 45 1,558,044 1.00c Ref. 
 25–<30 85 1,863,465 1.37 0.95–1.97 
 ≥30 46 958,766 1.65 1.09–2.49 
 Missing    
Vigorous physical activity (times per week) 
 <1 63 1,388,497 1.00c Ref. 
 1–2 39 971,078 0.83 0.56–1.24 
 ≥3 73 2,079,673 0.68 0.48–0.95 
 Missing    
N = 493,188
CasesPerson-yearsHR95% CI
Age (years) 
 <60 50 1,700,268 1.00a Ref. 
 60–65 37 1,260,345 0.99 0.65–1.52 
 ≥65 91 1,525,551 2.00 1.42–2.83 
Sex 
 Male 139 2,625,367 1.00b Ref. 
 Female 39 1,860,798 0.40 0.28–0.57 
Education (years) 
 <12 21 261,095 1.00c Ref. 
 12–15 95 2,363,407 0.57 0.36–0.92 
 ≥16 57 1,733,067 0.42 0.25–0.69 
 Missing    
Race 
 White 167 4,085,600 1.00c Ref. 
 Black 176,855 0.70 0.26–1.90 
 Other 223,710 0.78 0.37–1.66 
Smoking 
 Never 47 1,623,495 1.00c Ref. 
 Former 104 2,185,523 1.38 0.97–1.96 
 Current 24 508,640 1.50 0.89–2.50 
 Missing    
Alcohol (drinks/day) 
 Never 41 1,084,438 1.00c Ref. 
 >0–<1 87 2,386,138 0.94 0.65–1.37 
 ≥1–<3 35 685,172 1.13 0.72–1.78 
 ≥3 15 330,417 0.94 0.52–1.70 
BMI (kg/m2
 <25 45 1,558,044 1.00c Ref. 
 25–<30 85 1,863,465 1.37 0.95–1.97 
 ≥30 46 958,766 1.65 1.09–2.49 
 Missing    
Vigorous physical activity (times per week) 
 <1 63 1,388,497 1.00c Ref. 
 1–2 39 971,078 0.83 0.56–1.24 
 ≥3 73 2,079,673 0.68 0.48–0.95 
 Missing    

aAdjusted for sex.

bAdjusted for age.

cAdjusted for age and sex.

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