Table 3.

Reliability and validity of instruments for assessment of pain, illness perception, self-esteem, and depression (n = 326).

Latent variable	Item	Convergent validity
		P-value	Factor loading	Item reliability	CR	AVE
Pain	P1		0.887	0.787	0.930	0.815
	P2	<0.001	0.893	0.797
	P3	<0.001	0.928	0.861
Self-esteem	R1		0.794	0.630	0.875	0.636
	R2	<0.001	0.783	0.613
	R3	<0.001	0.851	0.724
	R4	<0.001	0.759	0.576
Depression	DP1		0.864	0.746	0.849	0.655
	DP2	<0.001	0.686	0.471
	DP3	<0.001	0.864	0.746
Illness perception	I1		0.738	0.545	0.883	0.718
	I2	<0.001	0.860	0.740
	I3	<0.001	0.932	0.869

AVE, average variance extracted; CR, construct reliability.