Table 1

Intervention and control centres

Intervention centres (CCTV installation date)Data collection periodControl centresData collection period
CCTV, closed circuit television.
Ashford (May 1997)May 1995–April 1999DerbyMay 1995–April 1999
Eastbourne (July 1997)July 1995–June 1999HuntingdonMay 1995–April 1999
Lincoln (March 1997)March 1995–Feb 1999PooleMay 1995–April 1999
Newport (July 1997)July 1995–June 1999ChelmsfordMay 1995–April 1999
Peterborough (April 1997)April 1995–Mar 1999ScarboroughMay 1995–April 1999