TABLE 1.
Descriptive statistics for all subjects
| No. of Subjects (%) | |||
|---|---|---|---|
| Variable | Meningioma Cases (n = 456) | Controls (n = 452) | p Value |
| age at diagnosis/interview (yrs) | 0.4 | ||
| 20–29 | 10 (2.2) | 13 (2.9) | |
| 30–39 | 35 (7.7) | 33 (7.3) | |
| 40–49 | 73 (16.1) | 78 (17.3) | |
| 50–59 | 93 (20.5) | 114 (25.3) | |
| 60–69 | 147 (32.4) | 135 (29.9) | |
| ≥70 | 96 (21.2) | 78 (17.3) | |
| missing | 2 | 1 | |
| race | 0.29 | ||
| white | 397 (87.1) | 384 (85.3) | |
| black | 28 (6.1) | 21 (4.7) | |
| Asian | 14 (3.1) | 20 (4.4) | |
| other | 17 (3.7) | 25 (5.6) | |
| missing | 2 | ||
| study site | 0.14 | ||
| Connecticut | 49 (10.8) | 48 (10.6) | |
| California | 99 (21.7) | 122 (27.0) | |
| North Carolina | 143 (31.4) | 135 (29.9) | |
| Massachusetts | 112 (24.6) | 85 (18.8) | |
| Texas | 53 (11.6) | 62 (13.7) | |
| alcohol use | 0.07 | ||
| yes | 235 (52.3) | 263 (58.4) | |
| no | 214 (47.7) | 187 (41.6) | |
| missing | 7 | 2 | |
| smoking history | 0.02 | ||
| ever | 261 (57.9) | 224 (49.8) | |
| never | 190 (42.1) | 226 (50.2) | |
| missing | 5 | 2 | |
| primary family history of meningioma | 0.002 | ||
| yes | 15 (3.3) | 2 (0.4) | |
| no | 441 (96.7) | 450 (99.6) | |
| education | <0.0001 | ||
| ≤high school | 124 (27.4) | 72 (16.0) | |
| ≥some college | 328 (72.6) | 378 (84.0) | |
| missing | 4 | 2 | |
| income | 0.25 | ||
| <$75,000 | 195 (48.5) | 186 (44.5) | |
| ≥$75,000 | 207 (51.5) | 232 (55.5) | |
| missing | 54 | 34 | |
| BMI (kg/m2) | 0.003 | ||
| <25 | 84 (18.6) | 130 (28.8) | |
| 25 to <30 | 207 (45.8) | 189 (41.9) | |
| 30 to <35 | 102 (22.6) | 79 (17.5) | |
| ≥35 | 59 (13.1) | 53 (11.8) | |
| missing | 4 | 1 | |
| yes | 15 (3.3) | 2 (0.4) | |