Table 1

Types of participating services

Service typeLeicestershireCity of PeterboroughNorth west LondonAll areas
Emergency department1113
Children's assessment units112*
General practices86216
Out of hours GP services112*
Walk-in centres2226
Ambulance1113
NHS Direct1
Other services1
  • * Some services were co-located and patients were recruited from only one of these services to avoid double counting.

  • GP, general practitioner.