Table 2.

Median percent of follow-up time with symptoms per infant

Symptom [Median (SD)]	Control n = 32	Biweekly n = 35	Weekly n = 35	Daily n = 35	p-value	p-for trend
Diarrhea	0 (2.2)	0 (2.2)	0 (0.5)	0 (1.5)	0.7	0.9
Watery or soft stool	0 (3.8)	0 (7.3)	1.1 (5.5)	1.0 (5.6)	0.3	0.3
Vomiting	0 (3.2)	0 (4.8)	0 (2.9)	0 (2.8)	0.4	0.8
Poor feeding	0 (4.1)	3.3 (8.4)	1.1 (6.6)	2.1 (4.0)	0.8	0.5
Colic	0 (9.0)	0 (6.7)	1.1 (3.0)	1.1 (3.9)	0.5	0.4
Cough	10.0 (17.1)	12.3 (17.1)	14.2 (14.8)	12.8 (12.7)	0.5	0.7
Congestion	9.1 (18.2)	14.8 (17.2)	13.6 (13.0)	15.7 (11.1)	0.4	1.0
Difficulty breathing	0 (4.1)	0 (5.6)	0 (4.5)	0 (1.2)	0.2	0.3

Kruskal-Wallis Test, Test for Linear Trend

Significance for p-values was set at 0.05