Odds ratios and 95% confidence intervals for use of cellular or cordless telephones for different tumour localisations
| Analogue | Digital | Cordless | All | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ca/Co | OR | CI | Ca/Co | OR | CI | Ca/Co | OR | CI | Ca/Co | OR | CI | |
| Number of exposed cases (Ca) and controls (Co) is given. Unconditional logistic regression adjusted for age and sex. Unexposed group consisted of cases and controls with no exposure to cellular or cordless phones. | ||||||||||||
| Parotid gland (n = 199) | 18/92 | 0.73 | 0.41 to 1.29 | 33/117 | 0.98 | 0.62 to 1.55 | 33/129 | 0.96 | 0.61 to 1.49 | 65/234 | 0.98 | 0.69 to 1.40 |
| Submaxillary gland (n = 32) | 8/18 | 2.06 | 0.66 to 6.46 | 4/13 | 1.31 | 0.35 to 4.92 | 9/23 | 1.77 | 0.65 to 4.84 | 13/42 | 1.40 | 0.57 to 3.45 |
| Other localisation (n = 36) | 5/14 | 1.20 | 0.34 to 4.25 | 8/25 | 1.13 | 0.41 to 3.08 | 6/30 | 0.73 | 0.26 to 2.10 | 13/43 | 1.14 | 0.49 to 2.66 |