BMC Public Health

Table 4 Median age at vaccination before and after feedback for the 10 clinics

From: Feasibility and impact of providing feedback to vaccinating medical clinics: evaluating a public health intervention

	Before feedback (2007-2008)		After feedback (2008-2009)
Vaccine	Doses administered	Median age (months)	Doses administered	Median age (months)	Difference (days)	p
1^st DTaP-Polio-Hib	3297	2.14	3519	2.20	+ 2	< 0.0001
1^st Pneumococcal	3272	2.14	3504	2.20	+ 2	< 0.0001
Meningococcal	2787	12.39	2870	12.42	+ 1	0.07
1^st MMR	2858	12.45	2941	12.45	0	0.65

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ISSN: 1471-2458

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