Table 5.

Standardised model parameters for the bivariate regression model of physical and psychological QoL, N = 618

	Standardised parameter estimate	Std. error	t value	Pr(> |t|)
Physical QoL
Intercept	14.467	0.121	119.868	< 2e−16
Pain	− 1.434	0.123	− 11.679	< 2e−16
Depression	− 1.493	0.146	− 10.241	< 2e−16
Anxiety	− 0.210	0.144	− 1.457	0.146
Pain × depression	0.442	0.116	3.821	< 0.001
Psychological QoL
Intercept	13.596	0.088	154.235	< 2e−16
Pain	− 0.112	0.090	− 1.246	0.213
Depression	− 1.783	0.106	− 16.753	< 2e−16
Anxiety	− 0.946	0.105	− 8.986	< 2e−16
Pain × depression	0.074	0.085	0.870	0.385