Demographic and comorbidity information for study participants (n = 490).

*<p> = Information taken from Bayliss comorbidity measure.</p

Analysis summary.

<p>Analysis summary.</p

Factor loadings for MULTIPleS items.

<p>Factor Eigenvalues: 1 = 16.34, 2 = 2.86, 3 = 1.19, 4 = 1.70, 5 = 1.51.</p

Fit of the MULTIPleS items to the Rasch model.

<p>Fit of the MULTIPleS items to the Rasch model.</p

Person distribution for ‘Emotional Representations’ Scale.

<p>A large group of patients, represented by bars above the <i>x</i>-axis, fall between −1.6 and −3.2 logits, which were outside the measurable range of the scale, represented below the <i>x</i>-axis of the figure.</p

Category response thresholds for item 30.

<p>Disordered response thresholds are evident for item 30.</p

Construct validity of the MULTIPLES scale against external measures.

<p>All values significant at p<0.05, non-significant values suppressed.</p

Category response options for item 26.

<p>Following rescoring, response thresholds are correctly ordered for item 26.</p

Nomogram for calculating interval level score for MULTIPleS.

<p>Nomogram for calculating interval level score for MULTIPleS.</p

Summary fit statistics for MULTIPleS analyses in evaluation and validation samples.

<p>Key : SD = Standard Deviation; PSI = Person Separation Index; α = Cronbach's Alpha.</p