Table 3.

Tests of between-subjects effects

Dependent variable: Likely to take vaccine (four-point scale)
Source	Type III sum of squares	df	Mean square	F	Significance
Corrected model	47.079	26	1.811	1.393	0.089
Intercept	14,589.959	1	14,589.959	11,226.495	0.000
Level of protection	28.808	2	14.404	11.083	0.000
Minor side effects	0.336	2	0.168	0.129	0.879
A serious adverse reaction	10.775	2	5.388	4.146	0.016
Protection × Minor	0.505	4	0.126	0.097	0.983
Protection × Major	1.441	4	0.360	0.277	0.893
Minor × Major	1.452	4	0.363	0.279	0.891
Protection × Minor × Major	4.087	8	0.511	0.393	0.925
Error	3,863.713	2,973	1.300
Total	18,541.000	3,000
Corrected total	3,910.792	2,999