Description | Cases1 | ||||||
---|---|---|---|---|---|---|---|
Controls (N = 846) | All (N = 802) | Self-reported (N = 497) | Proxy-reported (N = 305) | ||||
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 |