Table 3.

OR of RCC according to family history of kidney cancer in strata of selected characteristics of the proband: Italy, 1992-2004

StratumNo. (%) with family history
OR (95% CI)
RCC (n = 767)Controls (n = 1,534)
Sex
    Men11 (2.2)5 (0.5)4.3 (1.5-12.5)
    Women7 (2.6)3 (0.6)7.2 (1.8-28.9)
Age (y)
    <6010 (3.1)4 (0.6)5.5 (1.7-18.4)
    ≥608 (1.8)4 (0.5)4.6 (1.4-15.8)
Smoking habits
    Never smoker11 (2.4)5 (0.6)4.1 (1.4-12.8)
    Ever smoker7 (2.2)3 (0.5)5.5 (1.3-22.8)
BMI (kg/m2)
    <26.126 (1.7)4 (0.5)3.8 (1.0-14.1)
    ≥26.1212 (3.0)4 (0.5)6.0 (1.8-20.1)
History of hypertension
    No12 (2.5)7 (0.6)4.7 (1.7-12.5)
    Yes6 (2.1)1 (0.3)7.7 (0.8-73.2)
  • NOTE: ORs from conditional logistic regression, conditioned on age, sex, and study center and adjusted for year of interview, education, smoking, BMI, and number of brothers and sisters. Reference category: no family history of kidney cancer.