Reliabilities of the index measures and optimal weights in subpopulations.

<p>The weights between brackets are the standardized values by fixing the component variances at 1.</p><p>*TJC28  = 28-tender joint count, SJC28  =  28-swollen joint count, GH  =  general health, ESR  =  erythrocyte sedimentation rate, CRP  =  C-Reactive Protein.</p

Pearson's correlations and covariances of DAS-28 components in total patient sample.

<p>**p<0.01, TJC28  =  28-tender joint count, SJC28  = 28-swollen joint count, GH  =  general health, ESR  =  erythrocyte sedimentation rate, CRP  =  C-Reactive Protein.</p

Pearson's correlations of the DAS-28 components in the “fast response” group and “slow response” group.

<p>**p<0.01, TJC28  = 28-tender joint count, SJC28  = 28-swollen joint count, GH  =  general health, ESR  =  erythrocyte sedimentation rate, CRP  =  C-Reactive Protein.</p

Patient characteristics and group comparisons at inclusion.

<p>*The values for gender and rheumatoid factor positivity are the number of patients/number of patients assessed (%).</p>#<p>Group comparisons performed with Kruskall Wallis tests.</p>∼<p>Group comparisons performed with Chi-Square tests.</p>¶<p>Group comparisons performed with independent t-tests.</p><p>DAS28  =  disease activity score for 28 joints, GH  =  general health, ESR  =  erythrocyte sedimentation rate, CRP  =  C-Reactive Protein, SF36  =  Short Form Health Survey with 36 items, HAQ  =  Health Assessment Questionnaire.</p

Correlations CAT with BRAF-MDQ, BRAF-NRS and SF-36.

<p>Correlations CAT with BRAF-MDQ, BRAF-NRS and SF-36.</p

Hypothesised strength of correlations with CAT severity, impact and variability.

<p>Hypothesised strength of correlations with CAT severity, impact and variability.</p

Variances, error variances and reliabilities of the DAS-28 components.

<p>TJC28  =  28-tender joint count, SJC28  =  28-swollen joint count, GH  =  general health, ESR  =  erythrocyte sedimentation rate,</p><p>CRP  =  C-Reactive Protein.</p

Sample means on BRAF-MDQ (N = 164), BRAF-NRS (N = 165) and SF-36 (N = 165).

<p>Sample means on BRAF-MDQ (N = 164), BRAF-NRS (N = 165) and SF-36 (N = 165).</p

Standard errors per CAT dimension (N = 166).

<p>Standard errors per CAT dimension (N = 166).</p

Frequency of item usage per CAT dimension in 166 CAT administrations.

<p>Frequency of item usage per CAT dimension in 166 CAT administrations.</p