Table 3.
Case-Control Odds Ratios for IgE Levels, San Francisco Bay Area Adult Glioma Study (2001–2005)
| Controls |
All cases |
|||||
|---|---|---|---|---|---|---|
| n | mean ± SE | n | mean ± SE | OR* (95% CI) | p-value | |
| Ln (Total IgE)** | 470 | 3.49 ± 0.69 | 393 | 3.26 ± 0.079 | 0.89 (0.82–0.98) | 0.01 |
|
| ||||||
| n | % | n | % | OR* (95% CI) | p-value | |
|
| ||||||
| Total IgE | ||||||
| Normal, <25 | 199 | 42 | 197 | 50 | 1.00 | |
| Boderline, 25 to 100 | 165 | 35 | 111 | 28 | 0.66 (0.48–0.90) | 0.05 |
| Elevated, >100 | 106 | 23 | 85 | 22 | 0.79 (0.55–1.12) | 0.18 |
|
| ||||||
| Respiratory IgE | ||||||
| Nonelevated | 273 | 58 | 244 | 62 | 1.00 | |
| Elevated | 197 | 42 | 148 | 38 | 0.80 (0.60–1.06) | 0.12 |
|
| ||||||
| Food IgE | ||||||
| Nonelevated | 431 | 92 | 372 | 95 | 1.00 | |
| Elevated | 39 | 8 | 19 | 5 | 0.58 (0.33–1.03) | 0.06 |
|
| ||||||
| IgE Quartiles | ||||||
| Quartile 1 | 117 | 25 | 123 | 31 | 1.00 | 0.07*** |
| Quartile 2 | 118 | 25 | 90 | 23 | 0.69 (0.47–1.01) | 0.05 |
| Quartile 3 | 118 | 25 | 89 | 23 | 0.68 (0.47–1.00) | 0.05 |
| Quartile 4 | 117 | 25 | 91 | 23 | 0.70 (0.48–1.03) | 0.07 |
*
Models were adjusted for age, gender, ethnicity, college education and smoking history
**
Ln(IgE) was expressed as a continuous variable.
***
P-value for overall trend test.