Table 1.

Results of multivariate logistic regression models, for selected conditions presenting between May 2014 and April 2015 to practices in the RCGP RSC network

Condition		Age bands in years (Ref: 0–4)			Sex (Ref: female)			Ethnic group (Ref: white)				Index of Multiple Deprivation quintiles (Ref: 1st quintile = most deprived)
		5–24	25–49	50–74	≥75	Male	Asian	Black	Mixed	Other	Unknown	2nd	3rd	4th	5th
Common cold	OR	0.18	0.10	0.09	0.10	0.72	1.51	1.13	1.23	1.15	0.77	0.98	0.94	0.89	0.86
	95% CI	0.17 to 0.18	0.10 to 0.10	0.09 to 0.10	0.10 to 0.11	0.71 to 0.74	1.45 to 1.57	1.06 to 1.20	1.14 to 1.33	1.03 to 1.27	0.75 to 0.78	0.95 to 1.02	0.91 to 0.97	0.86 to 0.92	0.83 to 0.89
	P -value	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	0.01	<0.001	0.33	<0.001	<0.001	<0.001
Acute otitis media	OR	0.18	0.04	0.03	0.02	0.85	0.78	0.50	0.73	0.69	0.75	1.16	1.35	1.36	1.32
	95% CI	0.17 to 0.19	0.04 to 0.05	0.03 to 0.03	0.02 to 0.02	0.82 to 0.89	0.70 to 0.85	0.43 to 0.59	0.63 to 0.85	0.54 to 0.86	0.72 to 0.78	1.07 to 1.25	1.26 to 1.45	1.27 to 1.45	1.23 to 1.40
	P -value	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001
Pneumonia	OR	0.33	0.57	1.58	6.37	0.99	0.71	0.66	1.00	0.68	0.77	1.10	1.22	1.00	0.97
	95% CI	0.20 to 0.57	0.37 to 0.92	1.05 to 2.52	4.24 to 10.12	0.87 to 1.14	0.44 to 1.08	0.33 to 1.18	0.40 to 2.05	0.17 to 1.79	0.66 to 0.89	0.84 to 1.46	0.94 to 1.58	0.78 to 1.28	0.76 to 1.24
	P -value	<0.001	0.01	0.04	<0.001	0.92	0.13	0.20	1.00	0.51	<0.001	0.48	0.14	0.98	0.79
Influenza-like illness	OR	2.27	4.03	3.90	2.40	0.76	1.64	1.38	1.49	1.55	0.86	0.98	1.13	1.08	1.02
	95% CI	1.69 to 3.14	3.02 to 5.55	2.92 to 5.37	1.76 to 3.37	0.72 to 0.81	1.44 to 1.85	1.14 to 1.64	1.14 to 1.91	1.15 to 2.03	0.80 to 0.93	0.87 to 1.10	1.01 to 1.26	0.97 to 1.20	0.92 to 1.14
	P -value	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	0.71	0.04	0.15	0.65
Herpes zoster	OR	4.22	5.31	13.64	22.41	0.67	0.62	0.50	0.45	0.50	0.71	1.32	1.38	1.41	1.48
	95% CI	2.49 to 7.96	3.15 to 9.96	8.11 to 25.53	13.28 to 42.02	0.62 to 0.72	0.49 to 0.78	0.34 to 0.70	0.24 to 0.76	0.25 to 0.88	0.65 to 0.76	1.13 to 1.54	1.20 to 1.60	1.23 to 1.62	1.30 to 1.70
	P -value	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	0.01	0.03	<0.001	<0.001	<0.001	<0.001	<0.001
Scarlet fever	OR	0.37	0.02	0.01	<0.001	0.93	0.64	0.55	1.15	0.37	0.47	0.95	1.24	1.03	1.28
	95% CI	0.30 to 0.46	0.01 to 0.03	0.00 to 0.01	0.00 to 0.00	0.77 to 1.12	0.39 to 1.00	0.26 to 1.01	0.64 to 1.90	0.06 to 1.14	0.38 to 0.59	0.66 to 1.37	0.89 to 1.74	0.75 to 1.43	0.96 to 1.74
	P -value	<0.001	<0.001	<0.001	0.92	0.43	0.06	0.08	0.61	0.16	<0.001	0.80	0.20	0.85	0.10

OR = odds ratio. RCGP = Royal College of General Practitioners. RSC = Research and Surveillance Centre.