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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: Am J Hematol. 2013 Dec;88(12):1050–1054. doi: 10.1002/ajh.23564

TABLE 3.

Association between Allergies and Asthma and Hematologic Malignancies.

Cases (681)
N (%)
Non-cases (65,531)
N (%)
Age and sex-adjusted
HR (95% CI)
Multivariable*-adjusted
HR (95% CI)
Airborne Allergens 251 (36.9%) 22,188 (33.9%) 1.27 (1.09–1.49), P=0.002 1.19 (1.01–1.41), P= 0.039
  Plants, Grass, Trees 199 (29.2%) 16,666 (25.4%) 1.34 (1.13–1.58), P=0.001 1.26 (1.05–1.50), P=0.011
  Mold, Dust 138 (20.3%) 13,393 (20.4%) 1.11 (0.92–1.34), P=0.274 1.06 (0.87–1.30), P=0.551
  Cats, Dogs, other Animals 72 (10.6%) 6,697 (10.6%) 1.19 (0.93–1.51), P=0.169 1.13 (0.87–1.46), P=0.371
Insect Bites or Stings 49 (7.2%) 4,390 (6.7%) 1.19 (0.89–1.59), P=0.241 1.25 (0.93–1.69), P=0.131
Food 49 (7.2%) 5,161 (7.9%) 1.02 (0.76–1.36), P=0.913 1.02 (0.76–1.39), P=0.895
Medications 148 (21.7%) 13,456 (20.5%) 1.20 (0.99–1.44), P=0.057 1.16 (0.96–1.42), P= 0.119
Other 35 (5.1%) 2,989 (4.6%) 1.25 (0.89–1.76), P=0.202 1.36 (0.97–1.93), P=0.079
Asthma 64 (9.4%) 6,354 (9.7%) 1.05 (0.82–1.37), P=0.685 0.91 (0.69–1.22), P=0.534
*

All models adjusted for age, sex, race/ethnicity, education, smoking, family history of leukemia/lymphoma, self-reported health, consumption of vegetables and fruits and exercise.

Abbreviations: CI, confidence interval; HR, hazard ratio.