Table 1.

Distribution of 767 cases of RCC and 1,534 controls according to age, sex, and other selected covariates: Italy, 1992-2004

RCC, n (%)Controls, n (%)
Sex
    Male494 (64.4)988 (64.4)
    Female273 (35.6)546 (35.6)
Age (y)
    <50123 (16.0)246 (16.0)
    50-59200 (26.1)407 (26.5)
    60-69281 (36.6)555 (36.2)
    70-79163 (21.3)326 (21.3)
Education (y)
    <7372 (48.5)849 (55.3)
    7-11212 (27.6)457 (29.8)
    ≥12183 (23.9)228 (14.9)
Smoking habit*
    Never smoker314 (41.1)640 (41.7)
    Current smoker
        <20 cigarettes/d109 (14.3)277 (11.1)
        ≥20 cigarettes/d126 (16.5)189 (12.3)
    Ex-smoker215 (28.1)428 (27.9)
BMI* (kg/m2)
    <25281 (36.8)561 (36.7)
    25 to <30347 (45.4)750 (49.1)
    ≥30136 (17.8)218 (14.2)
History of hypertension
    No486 (63.4)1,152 (75.1)
    Yes281 (36.6)382 (24.9)
No. brothers*
    0182 (23.8)296 (19.3)
    1253 (33.0)445 (29.0)
    2134 (17.5)359 (23.4)
    ≥3197 (25.7)434 (28.3)
No. sisters*
    0191 (24.9)334 (21.8)
    1248 (32.4)422 (27.5)
    2145 (18.9)335 (21.8)
    ≥3182 (23.8)443 (28.9)
  • * The sum does not add up to the total because of a few missing values.