Table 1

Sociodemographic characteristics in cases and controls

Brain tumour status
CaseControl
(n=8184) (%)(n=28 110) (%)
Gender
 Male4113 (50.3)13 257 (47.2)
 Female4071 (49.7)14 853 (52.8)
 Total8184 (100)28 110 (100)
Age at the event
 18–39462 (5.7)1375 (4.9)
 40–49687 (8.4)2084 (7.4)
 50–591438 (17.6)4639 (16.5)
 60–692326 (28.4)8123 (28.9)
 70–792148 (26.3)7812 (27.8)
 >801123 (13.7)4077 (14.5)
 Total8184 (100)28 110 (100)
Charlson index score
 03045 (37.2)16 530 (58.8)
 11253 (15.3)5194 (18.5)
 21753 (21.4)3083 (11.0)
 3850 (10.4)1402 (5.00)
 4+1283 (15.7)1901 (6.8)
 Total8184 (100)28 110 (100)