Table 3—

Mean respiratory tract symptom scores per day in children during weeks of illness

	All weeks of illness			Influenza-positive weeks
	Vaccine	Placebo	p-value	Vaccine	Placebo	p-value
Outcomes n	176	166		22	20
Upper respiratory tract
Runny or stuffy nose	0.91	0.85	0.43	0.97	0.85	0.60
Sneezing	0.33	0.29	0.44	0.44	0.38	0.60
Burning or watery eyes	0.13	0.15	0.74	0.26	0.20	0.68
Sore throat	0.38	0.35	0.52	0.32	0.45	0.24
Hoarseness	0.12	0.12	0.98	0.06	0.15	0.21
Fever or shivering	0.22	0.21	0.86	0.41	0.43	0.82
Headache	0.39	0.33	0.30	0.37	0.54	0.27
Myalgia	0.07	0.07	0.89	0.07	0.10	0.67
Total symptom score	2.56	2.37	0.37	2.91	3.13	0.69
Lower respiratory tract
Cough during the day	0.93	1.03	0.26	1.05	1.27	0.39
Cough during the night	0.50	0.52	0.78	0.67	0.71	0.86
Wheeze during the day	0.13	0.16	0.50	0.15	0.18	0.77
Wheeze during the night	0.10	0.11	0.58	0.07	0.11	0.50
Difficult breathing or shortness of breath	0.39	0.42	0.56	0.32	0.64	0.06
Total symptom score	2.05	2.24	0.33	2.25	2.91	0.24