Table 1.
Description of Participants: Age, Gender, Ethnicity, Education, Income, Smoking History and Histology, San Francisco Bay Area Adult Glioma Study (2001–2005)
| Glioma Cases | Controls | Chi-square/t-test | |||
|---|---|---|---|---|---|
| All (n=535) | Self-reporting (n=406) | Proxy-reporting (n=129) | All (n=532) | p-value* | |
| Mean Age ± SE | 54.6 ± 0.7 | 50.9 ± 0.7 | 66.2 ± 1.1 | 53.8 ± 0.7 | 0.421 |
|
| |||||
| % White | 76 | 76 | 75 | 75 | 0.683 |
|
| |||||
| % Male | 56 | 58 | 52 | 52 | 0.151 |
|
| |||||
| % College Graduate | 51 | 54 | 38 | 59 | 0.007 |
|
| |||||
| Mean Education (yrs) ± SE | 14.9 ± 0.2 | 15.3 ± 0.2 | 13.7 ± 0.3 | 15.7 ± 0.1 | <0.001 |
|
| |||||
| Household Income (USD/yr) (%) | 0.537 | ||||
| <=$29,999 | 20 | 17 | 30 | 18 | |
| $30–49,999 | 16 | 13 | 24 | 15 | |
| $50–69,999 | 13 | 14 | 10 | 17 | |
| $70–99,999 | 16 | 18 | 12 | 18 | |
| $100,000+ | 31 | 35 | 19 | 32 | |
|
| |||||
| Smoking History (%) | 0.699 | ||||
| Never Smoked | 47 | 50 | 37 | 48 | |
| Past Smoker | 39 | 38 | 44 | 40 | |
| Current Smoker | 13 | 12 | 19 | 12 | |
|
| |||||
| Histology (%) | |||||
| Glioblastoma | 62 | 55 | 85 | NA | |
| Anaplastic Astrocytoma | 12 | 14 | 8 | NA | |
| Astrocytoma | 7 | 9 | 1 | NA | |
| Anaplastic Oligodendroglioma | 4 | 4 | 2 | NA | |
| Oligodendroglioma | 5 | 6 | 2 | NA | |
| Oligoastrocytoma | 1 | 2 | 0 | NA | |
| Ependymoma | 1 | 1 | 0 | NA | |
| Juvenile Pilocytic Astrocytoma | 2 | 2 | 0 | NA | |
| Medulloblastoma | 2 | 2 | 2 | NA | |
| Other | 4 | 5 | 1 | NA | |
| Astrocytoma NOS | 1 | 1 | 1 | NA | |
*
testing for difference between cases and controls. Chisquare used for categorical, and T-test for continuous variables.