Table 3. Attitudes and catch-up invitation receipt by catch-up MMR uptake.

	All cases			Unimmunised			Partially immunised
	Mean(SD) / n(%)		Effect size and p for no uptake vs uptake	Mean(SD) / n(%)		Effect size and p for no uptake vs uptake	Mean(SD) / n(%)		Effect size and p for no uptake vs uptake
	No catch-up uptake	Catch-up uptake		No catch-up uptake	Catch-up uptake		No catch-up uptake	Catch-up uptake
n	281–290	65–70		152–182	27–31		98–110	27–41
MMR beliefs	2.8 (0.7)	3.1 (0.7)	0.04***	2.7 (0.7)	3.0 (0.6)	0.03*	2.9 (0.7)	3.2 (0.7)	0.04*
Measles beliefs	3.8 (0.7)	4.0 (0.6)	0.01*	3.8 (0.7)	3.9 (0.6)	0.01	3.8 (0.6)	4.0 (0.6)	0.01
Social and parenting beliefs	3.2 (1.0)	3.7 (0.8)	0.07***	3.1 (1.1)	3.4 (0.9)	0.02*	3.4 (0.9)	4.0 (0.6)	0.10***
Information source beliefs	3.0 (0.7)	3.2 (0.7)	0.03*	2.9 (0.7)	3.1 (0.8)	0.02*	3.2 (0.6)	3.3 (0.6)	0.03*
Practicalities	4.3 (0.8)	4.4 (0.7)	0.002	4.3 (0.8)	4.3 (0.8)	0.003	4.2 (0.8)	4.6 (0.6)	0.03*
MMR catch-up invitation received in past year	77 (26)	30 (42)	-	54 (30)	15 (48)	-	23 (21)	15 (37)	-

P values and effect size (partial Eta squared) from ANCOVA, adjusted for child age and IMD2007 score.

* = p<.05,

** = p<.01,

*** = p<.001.