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Table 2 Crude and adjusted risk of leukemia among males 65 and older, by usual employer.

From: Leukaemia incidence among workers in the shoe and boot manufacturing industry: a case-control study

Employer

Cases

Controls

Total

Crude OR (95%CI)

Adjusted OR (95%CI)*

Endicott Johnson

13 (36%)

39 (27%)

52

1.52 (0.70 – 3.30)

1.47 (0.70 – 3.09)

Other Employer

23 (64%)

105 (73%)

128

-

-

Total

36

144

180

  
  1. *Adjusted Odds Ratio and 95% Confidence Intervals calculated using conditional logistic regression to account for matching on date of birth and age.