Table 1 Main characteristics of glioma cases and controls in the seven-country INTEROCC study
Cases (1,800) | Controls (5,160) | |||
|---|---|---|---|---|
n | % | n | % | |
Country | ||||
Australia | 277 | 15.4 | 665 | 12.9 |
Canada | 169 | 9.4 | 649 | 12.6 |
France | 93 | 5.2 | 471 | 9.1 |
Germany | 366 | 20.3 | 1494 | 29.0 |
Israel | 282 | 15.7 | 698 | 13.5 |
New Zealand | 75 | 4.2 | 160 | 3.1 |
United Kingdom | 538 | 29.9 | 1023 | 19.8 |
Sex | ||||
Males | 1116 | 62.0 | 2308 | 44.7 |
Females | 684 | 38.0 | 2852 | 55.3 |
Age (years) | ||||
30-39 | 328 | 18.2 | 791 | 15.3 |
40-49 | 460 | 25.6 | 1388 | 26.9 |
50-59 | 678 | 37.7 | 2022 | 39.2 |
60-69 | 334 | 18.6 | 959 | 18.6 |
Interview type | ||||
Self respondent | 1543 | 85.7 | 5137 | 99.6 |
Proxy respondent | 257 | 14.3 | 23 | 0.4 |
Atopy a | ||||
Yes | 416 | 23.1 | 1380 | 26.7 |
No | 1384 | 76.9 | 3780 | 73.3 |
Smoking status | ||||
Current | 508 | 28.2 | 1427 | 27.7 |
Ex | 386 | 21.4 | 1212 | 23.5 |
Never | 906 | 50.3 | 2521 | 48.9 |
Marital Status | ||||
Married | 1422 | 79.0 | 4035 | 78.2 |
Single, divorced or widowed | 363 | 20.2 | 1115 | 21.6 |
Unknown | 15 | 0.8 | 10 | 0.2 |
Maximum level of education attained | ||||
Primary, secondary | 766 | 42.6 | 2253 | 43.7 |
Intermediate college | 382 | 21.2 | 1080 | 20.9 |
Tertiary | 643 | 35.7 | 1822 | 35.3 |
Unknown | 9 | 0.5 | 5 | 0.1 |