Table 4.

Descriptive statistics of parental knowledge of vaccination scores according to the vaccination schedule.

Vaccination schedule	ni	Mean	SD	Median	Min-Max	p
3:3:3:3:1*
Yes	593	5.51	1.56	6.00	0–9	<0.001
No	37	4.19	2.08	4.00	0–8
4:4:4:3:1**
Yes	544	5.53	1.56	6.00	9-9	0.001
No	86	4.81	1.88	5.00	0–8
Total	630	5.43	1.63	6.00	0–9

*3:3:3:3:1 series was defined as: 3 DTPa/w doses, 3 Hib doses, 3 OPV doses, 3 MenC doses and 1 MMR dose.

**4:4:4:3:1 series was defined as: 4 DTPa/w doses, 4 Hib doses, 4 OPV doses, 3 MenC doses and 1 MMR dose.