Table 4 Numbers of cases of LNHL and controls aged 0–4 years within given distance bands from the nearest of 13 NPPs, with odds ratios relative to the outer (>25 km) region and 95% confidence intervals computed using the normal approximation to the distribution of log(OR)
From: Leukaemia in young children in the vicinity of British nuclear power plants: a case–control study
Address at birth | 95% Confidence interval | Address at diagnosis | 95% Confidence interval | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
Distance (km) | Cases | Controls | Odds ratio | Lower | Upper | Cases | Controls a | Odds ratio | Lower | Upper |
0–5 | 10 (14) | 14 (14) | 0.72 | 0.32 | 1.61 | 13 (17) | 25 (26) | 0.82 | 0.42 | 1.60 |
5–10 | 46 (50) | 51 (54) | 0.90 | 0.61 | 1.35 | 44 (48) | 83 (89) | 0.83 | 0.58 | 1.20 |
10–25 | 389 (399) | 367 (380) | 1.06 | 0.92 | 1.23 | 394 (402) | 694 (710) | 0.89 | 0.79 | 1.01 |
>25 | 9376 (9358) | 9389 (9373) | 1.00 | — | — | 10 167 (10 151) | 15 958 (15 935) | 1.00 | — | — |
Total | 9821 | 9821 | — | — | — | 10 618 | 16 760 | — | — | — |
