Table 8 Percentage change in tumour volume per year of latency and per 100 hours of cumulative use
Type of phone | n | Change in volume per year of latency (%) | 95%CI | p | Change in volume per 100 h of cumulative use (%) | 95%CI | p |
|---|---|---|---|---|---|---|---|
Analogue | 98 | 1.6 | −4.7 to 8.3 | 0.62 | 0.1 | −2.0 to 2.2 | 0.96 |
Digital, 2G | 530 | −0.9 | −4.0 to 2.2 | 0.56 | 0.1 | −0.6 to 0.8 | 0.83 |
Digital, UMTS, 3G | 41 | 9.6 | −21.1 to 52.4 | 0.57 | 1.3 | −2.0 to 4.7 | 0.42 |
Mobile phone, total | 531 | −0.5 | −2.8 to 1.9 | 0.68 | 0.1 | −0.5 to 0.6 | 0.84 |
DECT | 465 | −0.8 | −3.6 to 2.0 | 0.57 | −0.3 | −0.7 to 0.1 | 0.13 |
Wireless phone | 570 | −0.2 | −2.5 to 2.1 | 0.86 | −0.2 | −0.5 to 0.1 | 0.19 |