Table 3

 Odds ratios and 95% confidence intervals for use of cellular or cordless telephones for different histopathology

AnalogueDigitalCordlessAll
Ca/CoOR95% CICa/CoOR95% CICa/CoOR95% CICa/CoOR95% 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.
Acinic cell cancer (n = 59)4/220.630.19 to 2.1013/411.050.47 to 2.365/370.460.16 to 1.3316/680.740.36 to 1.52
Mucoepidermoid cancer (n = 49)6/200.920.33 to 2.577/340.660.26 to 1.678/340.760.32 to 1.8014/610.720.35 to 1.46
Adenocarcinoma (n = 50)5/310.610.21 to 1.788/231.230.49 to 3.1312/341.500.67 to 3.3819/601.270.64 to 2.52
Adenocystic cancer (n = 58)10/341.230.51 to 2.9811/371.050.46 to 2.4011/500.830.38 to 1.8425/851.070.57 to 2.02
Squamous cell cancer (n = 13)2/71.710.18 to 16.03/37.360.85 to 63.63/37.930.93 to 67.75/104.410.77 to 25.4
Undifferentiated cancer (n = 16)2/33.650.45 to 29.90/94/92.170.48 to 9.795/141.530.42 to 5.61
All cancer (n = 245)29/1170.920.57 to 1.4742/1471.000.66 to 1.5143/1670.980.66 to 1.4584/2981.010.73 to 1.39
Non-Hodgkin’s lymphoma (1)0/00/01/11/1
Adenoma (n = 1)0/00/00/10/1
Pleomorphic adenoma (n = 17)2/61.960.28 to 14.03/72.510.40 to 15.64/101.930.45 to 8.316/152.030.55 to 7.50
Sarcoma (n = 2)0/10/00/10/2
Other (n = 1)0/00/10/20/2