Exposed postcodes (n=661) | Unexposed postcodes (n=2473) | |
---|---|---|
Size of population (average number of inhabitants) | 20344 | 6838 |
Number of cases | 204 | 167 |
Number of person years | 40342926 | 50732955 |
Rural/urban status | ||
Rural | 103 (15.6%) | 1071 (43.3%) |
Urban | 244 (36.9%) | 690 (27.9%) |
Both | 314 (47.5%) | 712 (28.8%) |