Table 3 Overall spatial heterogeneity in the incidence of childhood acute leukaemia in France using Rogerson's statistic (1999)
Whole period 1990–2000 | 1990–1994 | 1995–2000 | |||||||
|---|---|---|---|---|---|---|---|---|---|
No. cases | R H0 a | RObsa (pb) | No. cases | R H0 | R Obs (p) | No. cases | R H0 | R Obs (p) | |
Age at diagnosis – d=40 km | |||||||||
0–14 years | 4873 | 0.74 | 0.90 (0.09) | 2226 | 1.61 | 2.04 (0.06) | 2647 | 1.36 | 1.36 (0.31) |
0–4 years | 2458 | 1.46 | 1.60 (0.25) | 1136 | 3.16 | 4.05 (0.04) | 1322 | 2.71 | 2.54 (0.63) |
5–9 years | 1427 | 2.51 | 2.21 (0.79) | 662 | 5.42 | 4.94 (0.71) | 765 | 4.69 | 4.50 (0.56) |
10–14 years | 988 | 3.63 | 4.14 (0.19) | 428 | 8.39 | 9.54 (0.20) | 560 | 6.41 | 6.67 (0.36) |
Spatial limit of proximity d – Analyses in the 0–4 year age group | |||||||||
20 km | 2458 | 1.47 | 1.65 (0.10) | 1136 | 3.49 | 3.56 (0.12) | 1322 | 2.74 | 2.58 (0.74) |
30 km | 2458 | 1.47 | 1.67 (0.12) | 1136 | 3.17 | 3.86 (0.05) | 1322 | 2.72 | 2.59 (0.65) |
40 km | 2458 | 1.46 | 1.60 (0.25) | 1136 | 3.16 | 4.05 (0.04) | 1322 | 2.71 | 2.54 (0.63) |
50 km | 2458 | 1.45 | 1.56 (0.32) | 1136 | 3.14 | 4.05 (0.05) | 1322 | 2.70 | 2.44 (0.70) |
