Table 4.

Potential factors influencing the quality of prescribing

Factor	URTI		Tonsillitis		Otitis media
	Children with an acute URTI prescribed antibiotic, %	Receiving amoxicillin or penicillin V, of those prescribed an antibiotic, %	Children with acute tonsillitis prescribed antibiotic, %	Receiving penicillin V, of those prescribed an antibiotic, %	Children with otitis media prescribed antibiotic, %	Receiving amoxicillin, of those prescribed an antibiotic, %
Level of deprivation
1 (Most deprived)	9.24	60.78	68.25	58.14	68.75	92.05
2	6.36	65.63	65.82	71.15	60.63	90.91
3	10.60	66.67	70.31	68.89	70.00	94.51
4	10.34	72.97	67.39	70.97	67.97	87.36
5 (Least deprived)	12.14	59.52	83.33	71.43	80.34	94.41
P-valuea	0.038	0.809	0.027	0.247	0.005	0.699
Age, years
0	8.26	63.64	62.50	86.67	75.00	94.87
1	8.30	68.89	59.09	69.23	65.61	91.94
2	9.44	56.41	72.41	59.52	77.10	89.11
3	10.65	70.73	74.00	68.92	67.11	93.14
4	13.36	65.71	80.00	69.44	71.31	91.95
P-valuea	0.013	0.791	0.004	0.638	0.838	0.680
Ethnic group
White	28.22	65.38	73.08	68.90	73.08	68.90
Non-  white	18.06	63.64	63.46	66.67	63.46	66.67
P-valueb	0.049	0.847	0.158	0.798	0.096	0.595
Sex
Male	9.67	70.91	75.82	70.29	69.69	92.68
Female	9.29	59.05	66.67	66.35	71.30	91.46
P-valueb	0.761	0.069	0.063	0.514	0.640	0.617
Site type
GP surgery	9.57	67.76	71.34	68.04	70.07	91.75
Emergency department	7.41	75.00	75.00	71.43	80.00	100.00
Walk-in clinic	5.26	100.00	66.67	100.00	87.50	100.00
P-valueb	0.711	0.698	0.921	0.167	0.402	0.448

^aNon-parametric trends.

^bχ² test. URTI = upper respiratory tract infection.