>1 year latency | >5 year latency | >10 year latency | |||||||
---|---|---|---|---|---|---|---|---|---|
Ca/Co | OR | 95% CI | Ca/Co | OR | 95% CI | Ca/Co | OR | 95% CI | |
Number of exposed cases (Ca) and controls (Co) is given. Dose-effect calculations were made with median number of hours for controls as cut-off. Unconditional logistic regression adjusted for age and sex. Unexposed group consisted of cases and controls with no exposure to cellular or cordless phones. | |||||||||
Analogue | |||||||||
450 MHz | 14/67 | 0.85 | 0.46 to 1.57 | 11/49 | 0.92 | 0.46 to 1.83 | 5/28 | 0.74 | 0.28 to 1.98 |
900 MHz | 22/94 | 0.99 | 0.58 to 1.67 | 9/58 | 0.65 | 0.31 to 1.36 | 1/9 | 0.47 | 0.06 to 3.74 |
All | 31/137 | 0.92 | 0.58 to 1.44 | 17/88 | 0.78 | 0.44 to 1.38 | 6/35 | 0.71 | 0.29 to 1.74 |
⩽91 h | 16/69 | 0.94 | 0.52 to 1.68 | 7/36 | 0.79 | 0.34 to 1.82 | 2/10 | 0.83 | 0.18 to 3.89 |
>91 h | 15/68 | 0.90 | 0.49 to 1.66 | 10/52 | 0.78 | 0.38 to 1.61 | 4/25 | 0.66 | 0.22 to 1.95 |
Digital | 45/170 | 1.01 | 0.68 to 1.50 | 8/27 | 1.22 | 0.54 to 2.78 | – | – | – |
⩽64 h | 22/89 | 0.96 | 0.58 to 1.59 | 2/7 | 1.16 | 0.24 to 5.63 | – | – | – |
>64 h | 23/81 | 1.07 | 0.64 to 1.80 | 6/20 | 1.25 | 0.48 to 3.21 | – | – | – |
Cordless | 48/200 | 0.99 | 0.68 to 1.43 | 18/66 | 1.15 | 0.65 to 2.03 | 0/5 | – | – |
⩽183 h | 27/103 | 1.07 | 0.67 to 1.71 | 6/25 | 1.01 | 0.40 to 2.53 | 0/1 | – | – |
>183 h | 21/97 | 0.89 | 0.53 to 1.50 | 12/41 | 1.24 | 0.62 to 2.44 | 0/4 | – | – |
All | 91/352 | 1.02 | 0.75 to 1.38 | 32/145 | 0.90 | 0.58 to 1.39 | 6/38 | 0.65 | 0.27 to 1.59 |
⩽182 h | 49/177 | 1.09 | 0.75 to 1.57 | 11/45 | 0.98 | 0.49 to 1.97 | 2/7 | 1.17 | 0.24 to 5.71 |
>182 h | 42/175 | 0.94 | 0.63 to 1.39 | 21/100 | 0.86 | 0.51 to 1.44 | 4/31 | 0.53 | 0.18 to 1.55 |