Characteristics of cases and controls and risk of glioma, according to respondent status
Characteristic | Including proxy-only interviews* | Excluding proxy-only interviews | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Cases | Controls | OR† | 95% CI | Cases | Controls | OR† | 95% CI | |||||
No. | % | No. | % | No. | % | No. | % | |||||
All participants | 798 | 1175 | 438 | 1141 | ||||||||
Men | 457 | 57 | 648 | 55 | 1.09 | 0.91 to 1.31 | 242 | 55 | 625 | 55 | 1.02 | 0.82 to 1.27 |
Women | 341 | 43 | 527 | 45 | Referent | 196 | 45 | 516 | 45 | Referent | ||
Age in 1993 (mean (SD)) | 52.3 (16.1) | 55.1 (15.4) | 0.99 | 0.98 to 0.99 | 45.9 (15.3) | 54.7 (15.4) | 0.97 | 0.96 to 0.97 | ||||
Ever had non-farm job (≥1 year) | 762 | 95 | 1105 | 94 | 1.38 | 0.90 to 2.10 | 414 | 95 | 1076 | 94 | 1.07 | 0.64 to 1.80 |
Longest job | ||||||||||||
Professional | 234 | 31 | 345 | 31 | Referent | 141 | 34 | 337 | 31 | Referent | ||
Trades | 296 | 39 | 412 | 37 | 0.97 | 0.74 to 1.27 | 146 | 35 | 398 | 37 | 0.85 | 0.61 to 1.18 |
Service | 230 | 30 | 346 | 31 | 0.94 | 0.72 to 1.22 | 125 | 30 | 339 | 32 | 0.81 | 0.58 to 1.12 |
White non-Latino | 783 | 98 | 1152 | 98 | 1.24 | 0.64 to 2.42 | 429 | 98 | 1119 | 98 | 1.33 | 0.60 to 2.97 |
Education | ||||||||||||
College graduate | 132 | 17 | 200 | 17 | Referent | 89 | 20 | 198 | 17 | Referent | ||
High school graduate | 523 | 66 | 768 | 65 | 1.09 | 0.80 to 1.40 | 303 | 69 | 752 | 66 | 0.98 | 0.73 to 1.31 |
<12 years | 143 | 18 | 207 | 18 | 1.27 | 0.91 to 1.75 | 46 | 11 | 191 | 17 | 0.97 | 0.63 to 1.51 |
Total | 798 | 1175 | 438 | 1141 |
*Includes subject+proxy interviews for 137 cases and 49 controls.
†Adjusted for frequency matching variables (age group, sex) and age and education (except for education, which was adjusted for frequency matching variables and age, and age and gender, which were unadjusted).
Modified from table 4 from ref. 25.