Variables | N | Spearman correlation coefficient | P value |
Baseline | |||
PRISM (patient) versus SIBDQ | 63 | 0.71 | <0.0001 |
PRISM (patient) versus PHQ-9 | 63 | −0.56 | <0.0001 |
PRISM (patient) versus P-SCCAI | 62 | −0.58 | <0.0001 |
PRISM (patient) versus RFIPC | 63 | −0.71 | <0.0001 |
PRISM (patient) versus WPAI-GH (presenteeism) | 40 | −0.54 | 0.0003 |
PRISM (patient) versus WPAI-GH (absenteeism) | 38 | −0.38 | 0.0186 |
PRISM (patient) versus WPAI-GH (total work productivity) | 38 | −0.48 | 0.0022 |
PRISM (patient) versus WPAI-GH (total activity) | 60 | −0.65 | <0.0001 |
Y2 | |||
PRISM (patient) versus SIBDQ | 33 | 0.74 | <0.0001 |
PRISM (patient) versus PHQ-9 | 33 | −0.48 | 0.0044 |
PRISM (patient) versus P-SCCAI | 33 | −0.67 | <0.0001 |
PRISM (patient) versus RFIPC | 33 | −0.82 | <0.0001 |
PRISM (patient) versus WPAI-GH (presenteeism) | 22 | −0.41 | 0.0614 |
PRISM (patient) versus WPAI-GH (absenteeism) | 22 | –* | – |
PRISM (patient) versus WPAI-GH (total work productivity) | 22 | −0.41 | 0.0614 |
PRISM (patient) versus WPAI-GH (total activity) | 32 | −0.55 | 0.0012 |
*Absenteeism was 0% at Y2.
PHQ-9, Patient Health Questionnaire; PRISM, Pictorial Representation of Illness and Self Measure; P-SCCAI, Patient mModified Simple Clinical Colitis Activity Index; RFIPC, Rating Form of IBD Patient Concerns; SIBDQ, Short Inflammatory Bowel Disease Questionnaire; WPAI-GH, Work Productivity and Activity Impairment General Health; Y2, year 2.