There was a reduction in proportion of consultations with antibiotics prescribed of 1.85 % ( 95 % CI , 0.10 % -3.59 % , P = .038 ) and in the rate of antibiotic prescribing for respiratory tract infections ( 9.69 % ; 95 % CI , 0.75 % -18.63 % , fewer prescriptions per 1,000 patient-years , P = .034 ) .