Table 4.

Rotavirus VE for 2 doses in preventing hospitalization due to AGE in vaccinated children compared to unvaccinated children from the pre-universal vaccination period according to several socioeconomic characteristics.

	Hospitalized	Total	Proportion (%)	Crude VEa [95% CI], %	pb
Low-income family rate
T1 and T2 (low and middle)
Vaccinated	8	3,153	0.25
Unvaccinated	48	4,296	1.12	78 [52 to 89]
T3 (high)					0.027
Vaccinated	12	1,501	0.80
Unvaccinated	24	2,100	1.14	30 [−40 to 65]
Unemployment rate
T1 and T2 (low and middle)
Vaccinated	11	3,143	0.35
Unvaccinated	48	4,236	1.13	69 [41 to 84]
T3 (high)					0.279
Vaccinated	9	1,529	0.59
Unvaccinated	24	2,189	1.10	47 [−15 to 75]
Single mothers rate
T1 and T2 (low and middle)
Vaccinated	11	3,169	0.35
Unvaccinated	46	4,224	1.09	68 [39 to 84]
T3 (high)					0.404
Vaccinated	9	1,513	0.59
Unvaccinated	27	2,212	1.22	52 [−3 to 77]
Proportion of mothers
without high school diploma
T1 and T2 (low and middle)
Vaccinated	15	3,217	0.47
Unvaccinated	45	4,227	1.06	57 [22 to 76]
T3 (high)					0.388
Vaccinated	5	1,465	0.34
Unvaccinated	28	2,209	1.27	73 [31 to 90]

^aMultivariate analyses could not be performed because of the small number of cases in vaccinated children.

^bBreslow-Day test used.