Table 3.
Incidence rate ratios (95% confidence intervals) for gliomas by anatomical site among male mobile phone subscribers* in Denmark, 1987-95, followed up to 31 December 2007
| Site (code) | Cases | Incidence rate ratio† |
|---|---|---|
| Cerebrum (C71.0) | ||
| Non-subscribers | 375 | 1 |
| Subscribers | 52 | 0.90 (0.67 to 1.22) |
| Frontal lobe (C71.1) | ||
| Non-subscribers | 431 | 1 |
| Subscribers | 79 | 1.13 (0.89 to 1.45) |
| Temporal lobe (C71.2) | ||
| Non-subscribers | 363 | 1 |
| Subscribers | 65 | 1.13 (0.86 to 1.48) |
| Parietal lobe (C71.3) | ||
| Non-subscribers | 293 | 1 |
| Subscribers | 33 | 0.73 (0.50 to 1.05) |
| Occipital lobe (C71.4) | ||
| Non-subscribers | 81 | 1 |
| Subscribers | 18 | 1.47 (0.87 to 2.48) |
| Others and unspecified (C71.5-C71.9) | ||
| Non-subscribers | 310 | 1 |
| Subscribers | 77 | 1.35 (1.05 to 1.75) |
*See table 1 for person years.
†Adjusted for age, calendar period, level of education, and disposable income.