Table 1.

Oral antibiotic items dispensed and rate per 100 patients per year (excluding anti-TB and minocycline) for 1 year before and 1 year post workshop, aggregated across all practices by study group

				Intervention practices offered 1 h workshop
Antibiotic groupings	Time	Control practices		declined		accepted
		items	ratea	items	ratea	items	ratea
Total antibiotics
	pre	368 940	61.44	180 270	61.42	164 126	61.84
	post	372 427	62.45	182 946	62.75	160 946	59.82
Respiratory tract infection antibiotics
phenoxymethylpenicillin	pre	20 276	3.376	9447	3.219	8990	3.387
	post	20 162	3.381	9650	3.310	8928	3.318
amoxicillin and ampicillin	pre	100 913	16.804	48 615	16.564	44 125	16.626
	post	103 992	17.437	50 324	17.260	42 774	15.898
all tetracyclines excluding minocycline/lymecycline	pre	30 429	5.067	13 390	4.562	13 802	5.201
	post	28 979	4.859	13 033	4.470	14 463	5.376
all macrolides	pre	48 022	7.997	25 139	8.565	22 182	8.358
	post	50 750	8.509	25 330	8.687	21 216	7.885
Urinary tract infection antibiotics
trimethoprim	pre	45 951	7.652	23 106	7.873	20 280	7.642
	post	44 022	7.381	22 940	7.868	19 853	7.379
nitrofurantoin	pre	23 502	3.914	11 861	4.041	11 866	4.471
	post	23 164	3.884	11 487	3.940	12 907	4.797
pivmecillinam/mecillinam	pre	529	0.442	232	0.389	83	0.124
	post	24	0.021	19	0.032	644	0.968
Broad-spectrum antibiotics
co-amoxiclav	pre	26 917	4.482	13 803	4.703	11 463	4.319
	post	28 784	4.826	14 780	5.069	9 237	3.433
all cephalosporins	pre	9917	1.651	4545	1.549	4111	1.549
	post	10 727	1.799	4921	1.688	3630	1.349
all quinolones	pre	9983	1.662	5603	1.909	4703	1.772
	post	10 224	1.714	5563	1.908	4706	1.749
all broad spectrum	pre	46 817	7.796	23 951	8.160	20 277	7.640
	post	49 735	8.339	25 264	8.665	17 573	6.531

All decreased rates in bold. Values in bold are statistically significant (P ≤ 0.05).

^aRate per 100 patients per year.