Table 1.

Baseline characteristics RV1 Non-responders and Responders.

	RV1 Non-responders	RV1 Responders	p-value	Dutch infants	p-values (NL-NR; NL-R)
N	10/66 (15%)	10/66 (15%)	NA	10	NA
Gender			0.65
Male	6/10 (60%)	5/10 (50%)		6/10	1.0; 0.65
Female	4/10 (40%)	5/10 (40%)		4/10
RV1 dosing			0.82
6/10 wks	1/10 (10%)	2/10 (20%)		NA
10/14 wks	1/10 (10%)	1/10 (10%)
6/10/14 wks	8/10 (80%)	7/10 (70%)
Rotavirus Season			1.000	NA
Yes	4/10 (40%)	4/10 (40%)
No	6/10 (60%)	6/10 (60%)
Location of delivery			0.64
Home	4/10 (40%)	3/10 (30%)		4/10	1.0; 0.64
Healthcare	6/10 (60%)	7/10 (70%)		6/10
Mode of delivery			1.00
Vaginal	9/10 (90%)	9/10 (90%)		10/10	0.29; 0.29
C-section	1/10 (10%)	1/10 (10%)		0/10
Feeding			1.00
Breastfeeding	9/10 (90%)	9/10 (90%)		7/10	0.35; 0.35
BF + Formula	1/10 (10%)	1/10 (10%)		2/10
Formula	0/10 (0%)	0/10 (0%)		1/10
Malnutrition
(Z score<−2)
Length-for-age	1/10 (10%)	1/10 (10%)	1.00	0/10	0.22; 0.22
Weight-for-length	1/10 (10%)	1/10 (10%)		0/10
Weight-for-age	1/10 (10%)	1/10 (10%)		0/10

Note. Baseline characteristics of the infants enrolled in the nested study and differences between the Pakistani RV1 non-responders and responders as determined by the Chi-square test. Baseline characteristics of the matched Dutch infants and differences between Dutch and Pakistani RV1 non-responders and responders, respectively as determined by the Chi-square test. Abbreviations: RV1, Rotavirus vaccine; NL, Dutch infants.