Table 1

Characteristics of participating practices

Self-managementUsual care
Type of practices
    1 GP2 (25%)1 (9%)
    2 GPs3 (37%)5 (46%)
    >2 GPs3 (38%)5 (45%)
    Total811
No (95% CI) of asthmatics per 1000 patients7.6 (5.6 to 9.6)9.0 (4.9 to 13.2)
Computerised prescription
    Yes/no7/18/3