Table 4.

Multi-group analysis.

Multi-group models	${\chi }^2$	df	${\chi }^2/df$	CFI	TLI	RMSEA	SRMR
Unconstrained	484.143	212	2.284	0.886	0.847	0.065	0.066
Constrained (all paths)	509.904	218	2.339	0.878	0.840	0.066	0.083
Chi-square difference test	$\Delta {\chi }^2\left(6\right)=26.238$ , $p<0.001$
Unconstrained	484.143	212	2.284	0.886	0.847	0.065	0.066
Constrained (attitude intention)	490.462	213	2.303	0.884	0.845	0.065	0.068
Chi-square difference test	$\Delta {\chi }^2\left(1\right)=6.510\text{,}$ $p<0.05$
Unconstrained	484.143	212	2.284	0.886	0.847	0.065	0.066
Constrained (susceptibility intention)	491.188	213	2.306	0.884	0.844	0.065	0.070
Chi-square difference test	$\Delta {\chi }^2\left(1\right)=7.208$ , $p<0.01$
Unconstrained	484.143	212	2.284	0.886	0.847	0.065	0.066
Constrained (perceived media influence on others—intention)	484.718	213	2.276	0.887	0.848	0.065	0.066
Chi-square difference test	$\Delta {\chi }^2\left(1\right)=0.178$ , $p>0.05$
Unconstrained	484.143	212	2.284	0.886	0.847	0.065	0.066
Constrained (perceived media influence on others—attitude)	490.426	213	2.302	0.884	0.845	0.065	0.071
Chi-square difference test	$\Delta {\chi }^2\left(1\right)=7.490$ , $p<0.01$
Unconstrained	484.143	212	2.284	0.886	0.847	0.065	0.066
Constrained (information exposure to the influenza vaccine—perceived media influence on others)	486.268	213	2.283	0.886	0.847	0.065	0.068
Chi-square difference test	$\Delta {\chi }^2\left(1\right)=2.441$ , $p>0.05$
Unconstrained	484.143	212	2.284	0.886	0.847	0.065	0.066
Constrained (information exposure to the influenza vaccine—susceptibility)	484.740	213	2.276	0.887	0.848	0.065	0.067
Chi-square difference test	$\Delta {\chi }^2\left(1\right)=0.471\text{,}$ $p>0.05$