Table 4
Odds ratios (OR) and 95% confidence intervals for brain tumours for the whole study area (H1–H6), and urban (H1–H3) and rural areas (H4–H6) for use of one phone type only
| >1 year latency | >5 year latency | >10 year latency | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Ca/Co | OR | CI | Ca/Co | OR | CI | Ca/Co | OR | CI | |
| Unconditional logistic regression analysis was used, adjusted for age, sex, and socioeconomic index. Numbers of exposed cases (Ca) and controls (Co) are given. | |||||||||
| Analogue only | |||||||||
| H1–H6 | 81/72 | 1.3 | 0.9 to 1.8 | 41/27 | 1.7 | 1.1 to 2.9 | 14/6 | 2.7 | 1.04 to 7.3 |
| H1–H3 | 50/37 | 1.6 | 0.99 to 2.4 | 24/13 | 2.1 | 1.1 to 4.3 | 10/3 | 4.0 | 1.1 to 15 |
| H4–H6 | 31/35 | 1.0 | 0.6 to 1.8 | 17/14 | 1.4 | 0.7 to 3.0 | 4/3 | 1.5 | 0.3 to 6.8 |
| Digital only | |||||||||
| H1–H6 | 188/195 | 1.0 | 0.8 to 1.3 | 27/26 | 1.2 | 0.7 to 2.0 | – | – | – |
| H1–H3 | 128/149 | 0.9 | 0.7 to 1.2 | 15/24 | 0.7 | 0.4 to 1.3 | – | – | – |
| H4–H6 | 60/46 | 1.4 | 0.9 to 2.2 | 12/2 | 6.9 | 1.5 to 32 | – | – | – |
| Cordless only | |||||||||
| H1–H6 | 159/169 | 1.0 | 0.8 to 1.3 | 56/36 | 1.7 | 1.1 to 2.6 | 2/2 | 1.0 | 0.1 to 7.4 |
| H1–H3 | 109/121 | 1.0 | 0.7 to 1.3 | 38/27 | 1.5 | 0.9 to 2.5 | 1/2 | 0.5 | 0.1 to 5.3 |
| H4–H6 | 50/48 | 1.1 | 0.7 to 1.8 | 18/9 | 2.3 | 0.97 to 5.3 | 1/0 | – | – |
