Table 3

Summary of basic analysis of data at postcode district and sector levels

Observed (95% CIs)Expected (95% CIs)Odds ratio95% CIs of odds ratio
District level (n=52 districts):
 One or less MND residence14 (8-21)6 (2-12)2.330.97-5.60
 More than one MND residence38 (31-44)46 (40-50)
 Negative residual33 (25-40)
 Positive residual19 (12-27)
Sector level (n=216 sectors):
 One or less MND residence107 (93-121)33 (23-43)3.242.30-4.56
 More than one MND residence109 (95-123)183 (173-193)
 Negative residual124 (110-138)
 Positive residual92 (78-106)