Table 2

 Odds ratios and 95% confidence interval for malignant brain tumours for the whole study area (H1–H6), and urban (H1–H3) and rural areas (H4–H6)

>1 year latency>5 year latency>10 year latency
Ca/CoOR95% CICa/CoOR95% CICa/CoOR95% CI
Unconditional logistic regression analysis was used, adjusted for age, sex, and socioeconomic index. Numbers of exposed cases (Ca) and controls (Co) are given. Note that controls with missing cases were not included.
Analogue
H1–H6110/961.20.8 to 1.771/611.20.8 to 1.834/172.11.1 to 4.0
H1–H381/681.40.9 to 2.155/451.40.9 to 2.225/122.41.1 to 5.1
H4–H629/280.90.5 to 1.716/160.90.4 to 2.09/51.70.5 to 5.6
Digital
H1–H6204/1671.20.9 to 1.639/241.70.95 to 2.9
H1–H3151/1321.30.9 to 1.829/231.40.8 to 2.6
H4–H653/351.20.7 to 2.210/18.41.02 to 69
Cordless
H1–H6179/1431.20.9 to 1.769/461.61.02 to 2.43/40.80.2 to 3.6
H1–H3126/1101.20.9 to 1.851/351.60.99 to 2.72/21.20.2 to 8.7
H4–H653/331.30.7 to 2.318/111.40.6 to 3.31/20.30.02 to 3.6