title: Risk of adult acute and chronic myeloid leukemia with cigarette smoking and cessation.
abstract: BACKGROUND
  Cigarette smoking is an established risk factor for adult myeloid leukemia, particularly acute myeloid leukemia (AML), but less is known about the nature of this association and effects of smoking cessation on risk.
  
  
  METHODS
  In a large population-based case-control study of myeloid leukemia that included 414 AML and 185 chronic myeloid leukemia (CML) cases and 692 controls ages 20-79 years, we evaluated risk associated with cigarette smoking and smoking cessation using unconditional logistic regression methods and cubic spline modeling.
  
  
  RESULTS
  AML and CML risk increased with increasing cigarette smoking intensity in men and women. A monotonic decrease in AML risk was observed with increasing time since quitting, whereas for CML, the risk reduction was more gradual. For both AML and CML, among long-term quitters (≥30 years), risk was comparable to non-smokers.
  
  
  CONCLUSIONS
  Our study confirms the increased risk of myeloid leukemia with cigarette smoking and provides encouraging evidence of risk attenuation following cessation.
authors: Division of Epidemiology & Clinical Research, Department of Pediatrics, University of Minnesota, Minneapolis, MN, USA. bruce087@umn.edu
authors: Jessica R B
authors: JR
authors: Musselman
authors: Cindy K
authors: CK
authors: Blair
authors: James R
authors: JR
authors: Cerhan
authors: Phuong
authors: P
authors: Nguyen
authors: Betsy
authors: B
authors: Hirsch
authors: Julie A
authors: JA
authors: Ross
mesh_terms: D000328:Adult; D000368:Aged; D016022:Case-Control Studies; D005260:Female; D006801:Humans; D015464:Leukemia, Myelogenous, Chronic, BCR-ABL Positive / Q000453:epidemiology* / Q000209:etiology; D015470:Leukemia, Myeloid, Acute / Q000453:epidemiology* / Q000209:etiology; D016015:Logistic Models; D008297:Male; D008875:Middle Aged; D015233:Models, Statistical; D012306:Risk; D012907:Smoking / Q000009:adverse effects* / Q000453:epidemiology; D016540:Smoking Cessation / Q000706:statistics & numerical data*; D013997:Time Factors; D055815:Young Adult
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