Table 1 General characteristics of participants in the CEERCC Study
From: Occupational exposure to dusts and risk of renal cell carcinoma
Case | Control | |||
|---|---|---|---|---|
Variables | N | %a | N | %a |
Participants | 1097 | 42.6 | 1476 | 57.4 |
Sex | ||||
Males | 648 | 59.1 | 952 | 64.5 |
Females | 449 | 40.9 | 524 | 35.5 |
Age at interview (in years) | ||||
<45 | 86 | 7.8 | 122 | 11.1 |
45–54 | 278 | 25.3 | 379 | 34.5 |
55–64 | 335 | 30.5 | 460 | 41.9 |
65–74 | 353 | 32.2 | 452 | 41.2 |
75+ | 45 | 4.1 | 63 | 5.7 |
Mean age (s.d.) | 59.6 years (10.3) | 59.3 years (10.3) | ||
Centre | ||||
Bucharest, Romania | 95 | 8.7 | 160 | 10.8 |
Lodz, Poland | 99 | 8.7 | 198 | 13.4 |
Moscow, Russia | 317 | 28.9 | 463 | 31.4 |
Czech Republicb | 586 | 53.4 | 655 | 44.4 |
BMI at interview (kg m−2) | ||||
<25 | 327 | 29.8 | 532 | 36.0 |
25–29.9 | 476 | 43.4 | 620 | 42.0 |
30+ | 294 | 26.8 | 324 | 22.0 |
Tobacco status | ||||
Never | 510 | 46.5 | 599 | 40.6 |
Ever | 584 | 53.2 | 874 | 59.2 |
Self-reported hypertension | ||||
No | 600 | 54.7 | 906 | 61.4 |
Yes | 496 | 45.2 | 569 | 38.6 |
