|
Vitamin Supplement intake (% YES)
|
62.6
|
52.4
|
***
|
50.2
|
***
|
56.0
|
*
|
|
General Demographics
| | | | | | | |
|
Age (median) ± SE2
|
55.1 ± 0.6
|
55.4 ± 0.6
|
ns
|
49.7 ± 0.7
|
***
|
64.7 ± 0.8
|
***
|
|
Gender as % Male
|
54.5
|
57.1
|
ns
|
58.6
|
ns
|
54.8
|
ns
|
|
Ethnicity as % White3
|
83.8
|
83.3
|
ns
|
83.9
|
ns
|
82.3
|
ns
|
|
Socio-economic Status Measures (%)
| | | | | | | |
|
Household Income4
| | | | | | | |
|
<$29,999
|
25.0
|
24.3
|
ns
|
17.4
|
***
|
36.0
|
***
|
|
$30,000–$69,999
|
40.8
|
39.8
| |
38.5
| |
42.1
| |
|
≥$70,000
|
34.1
|
35.9
| |
44.1
| |
21.9
| |
|
Highest Education
| | | | | | | |
|
Less than high school
|
6.0
|
10.1
|
**
|
4.8
|
ns
|
18.7
|
***
|
|
High school, some college
|
48.5
|
48.9
| |
47.5
| |
51.2
| |
|
College graduate and/or more
|
45.5
|
41.0
| |
47.7
| |
30.2
| |
|
Socio-economic Status5
| | | | | | | |
|
<High School education or income <$29,999
|
27.3
|
27.7
|
ns
|
19.1
|
***
|
41.6
|
***
|
|
≥High School graduate or income $30,000–$69,999
|
53.2
|
50.4
| |
52.7
| |
46.6
| |
|
College graduate and income ≥ $70,000
|
19.5
|
22.0
| |
28.2
| |
11.8
| |
|
Body Mass Index6 (median) ± SE2
|
25.7 ± 0.2
|
25.9 ± 0.2
|
ns
|
25.7 ± 0.2
|
ns
|
26.2 ± 0.3
|
ns
|
|
Tumors Types (%)
| | | | | | | |
|
Glioblastoma
| |
59.2
| |
47.7
| |
78.0
| |
|
Anaplastic Astrocytoma
| |
11.2
| |
10.7
| |
12.1
| |
|
Astrocytoma
| |
5.4
| |
7.2
| |
2.3
| |
|
Oligodendroglioma
| |
11.1
| |
16.5
| |
2.3
| |
|
Oligoastrocytoma
| |
6.2
| |
8.5
| |
2.6
| |
|
Ependymoma
| |
1.0
| |
1.4
| |
0.3
| |
|
Other
| |
5.9
| |
8.1
| |
2.3
| |
