Table 3.

Multivariate logistic regression analysis of X chromosome and chromosome 1 breaks

VariableX chromosome, OR* (95% CI)Chromosome 1, OR* (95% CI)
Age (y; continuous)0.97 (0.91-1.03)0.90 (0.90-1.01)
Smoking
    Never1.001.00
    Ever1.39 (0.53-3.62)2.01 (0.84-4.83)
Family history of prostate cancer
    No1.001.00
    Yes1.76 (0.56-5.53)1.65 (0.58-4.67)
Chromosome breaks
    ≤11.001.00
    >115.53 (5.74-42.03)3.71 (1.60-8.63)
  • * Simultaneously adjusted for all other variables and ethnicity.