Introduction of Two-Dose Mumps-Containing Vaccine into Routine Immunization Schedule in Quzhou, China, Using Cox-Proportional Hazard Model

Table 2

Immunization rates of MuCV by social demographic characteristics among children born from 2006 to 2010 in Quzhou.

Characteristics	Cases without MuCV		Cases with one-dose MuCV		Cases with two-dose MuCV		()	value
	No.	%	No.	%	No.	%
All cases	74	8.14	354	38.94	481	52.92	—	—
Gender^b							5.30	0.071
Male	55	9.37	216	36.80	316	53.83
Female	19	5.90	138	42.86	165	51.24
Month of onset^a							168.01	<0.001
Min	1.17		16.72		21.68
Max	124.52		106.07		151.12
Average month
Group classification^b							183.62	<0.001
Scattered children	44	22.00	93	46.50	63	31.50
Kindergarten children	20	5.12	204	52.17	167	42.71
Student	10	3.14	57	17.92	251	78.93
Year of birth^b							138.84	<0.001
2006	21	9.33	94	41.78	110	48.89
2007	18	7.86	75	32.75	136	59.39
2008	19	10.56	47	26.11	114	63.33
2009	4	2.67	38	25.33	108	72.00
2010	12	9.60	100	80.00	13	10.40

^aANOVA test was used to analyze group difference. . ^bChi-square test was used to analyze group differences.