Table 1.
Demographic variables and age- and sex-adjusted self-reported physician-diagnosed asthma and allergic condition and inflammation variables from population-based Swedish case-control study of glioblastoma multiforme (GBM, 2000–2002).
| All study particpants | Interviewed only | Interviewed and collected blood sample | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Demographic variables | Cases n=174 | Controls n=633 | Cases n=63 | Controls n=211 | Cases n=111 | Controls n=422 | |||
| Median Age (inter-quartile range) | 56 (49, 62) | 53 (43, 60) | 57 (53, 63) | 52 (41, 58) | 55 (46, 61) | 54 (44, 61) | |||
| Sex (% male) (95 % CI) | 59.18 (51.89, 66.49) | 48.02 (44.14, 51.90) | 58.73 (46.48, 70.78) | 53.08 (46.34, 59.82) | 59.46 (50.29, 68.63) | 45.50 (40.75, 50.23) | |||
| Allergic and Inflammatory variables | Cases 1 n | Controls 1 n | Odds ratios (95% CI) | Cases 1 n | Controls 1 n | Odds ratios (95% CI) | Cases 1 n | Controls 1 n | Odds ratios (95% CI) |
| None | 163 | 570 | 1.00 | 57 | 186 | 1.00 | 106 | 384 | 1.00 |
| Asthma | 11 | 63 | 0.64 (0.33, 1.25) | 6 | 25 | 0.76 (0.29, 2.00) | 5 | 38 | 0.53 (0.20, 1.38) |
| None | 147 | 532 | 1.00 | 52 | 176 | 1.00 | 95 | 356 | 1.00 |
| Hayfever | 27 | 101 | 0.98 (0.62, 1.57) | 11 | 35 | 1.16 (0.54, 2.50) | 16 | 66 | 0.82 (0.47, 1.60) |
| None | 141 | 490 | 1.00 | 49 | 159 | 1.00 | 92 | 331 | 1.00 |
| Asthma or hayfever | 33 | 143 | 0.82 (0.54, 1.26) | 14 | 52 | 0.88 (0.44, 1.77) | 19 | 91 | 0.77 (0.45, 1.34) |
| None | 144 | 485 | 1.00 | 47 | 172 | 1.00 | 97 | 313 | 1.00 |
| Eczema | 29 | 148 | 0.67 (0.43, 1.05) | 16 | 39 | 1.54 (0.97, 3.08) | 13 | 109 | 0.40 (0.21, 0.74) |
| None | 160 | 573 | 1.00 | 59 | 157 | 1.00 | 101 | 378 | 1.00 |
| Contact allergy | 12 | 46 | 1.02 (0.53, 2.00) | 2 | 9 | 1.06 (0.20, 5.57) | 10 | 37 | 1.09 (0.52, 2.29) |
| None | 161 | 583 | 1.00 | 60 | 196 | 1.00 | 101 | 387 | 1.00 |
| Food allergy | 11 | 37 | 1.23 (0.61, 2.49) | 1 | 10 | 0.63 (0.07, 5.31) | 10 | 27 | 1.55 (0.72, 3.30) |
| None | 151 | 523 | 1.00 | 55 | 182 | 1.00 | 96 | 341 | 1.00 |
| Allergy medication | 23 | 110 | 0.78 (0.48, 1.27) | 8 | 29 | 1.04 (0.43, 2.50) | 15 | 81 | 0.70 (0.38, 1.28) |
| Never (last 10 years) | 43 | 102 | 1.00 | 15 | 35 | 1.00 | 28 | 67 | 1.00 |
| Fever once or less per year | 83 | 410 | 0.54 (0.35, 0.84) | 32 | 132 | 0.68 (0.37, 1.45) | 51 | 278 | 0.46 (0.27, 0.79) |
| Fever 2 or more times per year | 24 | 92 | 0.78 (0.43, 1.40) | 11 | 25 | 1.37 (0.51, 3.68) | 13 | 67 | 0.53 (0.25, 1.14) |
1
Differences in numbers of cases and controls among variables are attributable to missing responses.