Rural-urban disparity in category II vaccination among children under five years of age: evidence from a survey in Shandong, China

Table 3 Factors associated with category II vaccination status of children in urban Shandong, China, 2013

Variable	Vaccinated (%)	Unvaccinated (%)	P	ORc^*	ORc95%CI	P	ORa^*	ORa95%CI
n = 764	530(69.4)	234(30.6)
Sex						NA^*
Boy	279(69.4)	123(30.6)		1.0
Girl	251(69.3)	111(30.7)	0.984	0.99	0.73–1.36
Age
-5	60(81.1)	14(18.9)		1.0			1.0
0–1	111(46.3)	129(53.7)	0.000	0.20	0.11–0.38	0.000	0.21	0.11–0.39
-2	114(76.5)	35(23.5)	0.438	0.76	0.38–1.52	0.485	0.78	0.38–1.58
-3	135(79.9)	34(20.1)	0.829	0.93	0.46–1.85	0.873	0.94	0.47–1.92
-4	110(83.3)	22(16.7)	0.683	1.17	0.56–2.45	0.433	1.36	0.63–2.90
Family size						NA
> 4	232(71.4)	93(38.6)		1.0
≤ 4	298(67.9)	141(32.1)	0.299	0.85	0.62–1.16
Household income						NA
Q5^a	136(71.2)	55(28.8)		1.0
Q1	79(65.3)	42(34.7)	0.272	0.76	0.47–1.24
Q2	78(66.7)	39(33.3)	0.402	0.81	0.49–1.33
Q3	115(77.2)	34(22.8)	0.214	1.73	0.83–2.24
Q4	122(66.6)	64(33.4)	0.242	0.77	0.50–1.19
Physical examination						NA
No	225(71.9)	88(28.1)		1.0
Yes	305(67.6)	146(32.4)	0.210	0.82	0.59–1.12
Primary caregiver						NA
Grandparents	42(65.6)	22(34.4)		1.0
Parents	488(69.7)	212(30.3)	0.497	1.21	0.70–2.07
Satisfaction ^b
Satisfaction	62(57.4)	46(42.6)		1.0			1.0
Non-satisfaction	468(71.3)	188(28.7)	0.004	1.85	1.22–2.81	0.003	2.02	1..26–3.22
Primary caregiver’s education attainment						NA
Primary and below	32(72.7)	12(27.3)		1.0
Junior education	242(75.6)	78(24.4)	0.676	1.16	0.57–2.37
Senior and above	256(64)	144(36)	0.252	0.67	0.33–1.34

Note: The P-values indicate statistical significance at 5% level, the italics indicate significance
^*ORc Crude odds ratio, ^*ORa Adjusted odds ratio, ^*NA Not applicable
^aQuintile 1(Q1) is the poorest and Quintile 5(Q5) is the richest
^bSatisfaction with the vaccination services

ISSN: 1475-9276