Table 2

Emergency department and police recorded violence in CCTV and control towns

Emergency departmentRatio95% CISignificancePoliceRatio95% CISignificance
Before CCTVAfter CCTVBefore CCTVAfter CCTV
↑, Significant increase at the 5% level; ↓, significant decrease at the 5% level; CCTV, closed circuit television; CI, confidence interval.
CCTV centres
    Ashford105010931.040.95 to 1.132132010.940.77 to 1.14
    Eastbourne160214790.920.86 to 0.992454001.631.39 to 1.91
    Lincoln309732831.061 to 1.114124571.100.97 to 1.26
    Newport118310770.910.83 to 0.982742550.930.78 to 1.1
    Peterborough12629910.780.72 to 0.854855791.191.05 to 1.34
    Aggregate819479230.960.93 to 0.99162918921.161.08 to 1.24
Control centres
    Chelmsford176120441.161.08 to 1.232993551.181.01 to 1.38
    Poole147013880.940.87 to 1.013523280.930.80 to 1.08
    Derby470450931.081.04 to 1.128679281.070.97 to 1.17
    Scarborough104612421.181.09 to 1.281692001.180.96 to 1.45
    Huntingdon74310501.411.28 to 1.5583690.830.60 to 1.14
    Aggregate9724108171.111.08 to 1.14177018801.060.99 to 1.13