|
Characteristics
|
All cases (N = 748)
|
Self-reported cases (N = 450)
|
|---|
|
Age (median ± SE)
|
55.7 ± 0.6
|
49.8 ± 0.7
|
|
Gender (% male)
|
57.1%
|
59.1%
|
|
Ethnicity (% White)
|
83.4%
|
84.2%
|
|
Education
| | |
|
< 12 years
|
12.2%
|
6.4%
|
|
High school graduate
|
24.2%
|
20.9%
|
|
≥ 1 year college
|
63.6%
|
72.7%
|
|
Histology Group
| | |
|
Grade II†
|
19.1%
|
28.2%
|
|
Grade III‡
|
17.4%
|
19.3%
|
|
Grade IV*
|
63.5%
|
52.4%
|
|
Treatment
| | |
|
Surgical Resection
|
83.0%
|
91.8%
|
|
Radiotherapy
|
73.7%
|
83.1%
|
|
Chemotherapy
|
20.3%
|
26.9%
|
|
Age at first drink
| | |
|
Never drank alcohol
|
9.2%
|
8.0%
|
|
<18 years old
|
30.4%
|
31.3%
|
|
18 - 20 years old
|
33.2%
|
34.7%
|
|
≥21 years old
|
26.6%
|
26.0%
|
|
Unknown
|
0.7%
|
0%
|
|
Total Packyears
| | |
|
Never smoked
|
43.5%
|
46.0%
|
|
> 0 to ≤ 18.5
|
25.4%
|
30.0%
|
|
> 18.5
|
25.9%
|
22.0%
|
|
Unknown
|
5.2%
|
2.0%
|
-
† includes 44 astrocytomas, 63 oligodendrogliomas, 36 oligoastrocytomas.
-
‡ includes 90 astrocytomas, 26 oligodendrogliomas, 14 oligoastrocytomas.
- *all (n = 475) glioblastomas.
