Table 3 Convergent validity between EQ-5D-5L and PROMIS

EQ-5D dimensions and PedsQL corequestionnaire

EQ-5D Mobility vs. PedsQL Physical functioning

-0.66 (-0.73, 0.55) ^***

EQ-5D Usual Activity vs. PedsQL Social functioning

-0.31 (-0.45, -0.14) ^***

EQ-5D Pain/discomfort vs. PedsQL item hurt or ache

-0.23 (-0.28, -0.05) ^***

EQ-5D Anxiety/depression vs. PedsQL Emotional functioning

-0.23 (-0.41, -0.05) ^**

EQ-5D Self-care vs. PedsQL item hard to take bath or shower

-0.83 (-0.89, -0.73) ^***

PROMIS-29 and PedsQL core questionnaire

PROMIS Physical function vs. PedsQL Physical functioning

0.65 (0.51, 0.76) ^***

PROMIS Fatigue vs. PedsQL physical functioning

-0.41 (-0.53, -0.26) ^***

PROMIS Anxiety/Fear vs. PedsQL Emotional functioning

-0.82 (-0.86, -0.77) ^***

PROMIS Depression/Sadness vs. PedsQL Emotional functioning

-0.82 (-0.88, -0.75) ^***

PROMIS Cognition vs. PedsQL Emotional functioning

0.81 (0.74, 0.86) ^***

PROMIS Social roles and activities vs. PedsQL Social functioning

0.62 (0.46, 0.73) ^***

PROMIS Pain intensity VAS vs. PedsQL item hurt or ache

-0.43 (-0.56, -0.26) ^***

PROMIS Pain interference vs. PedsQL item hurt or ache

-0.49 (-0.61, -0.35) ^***

PROMIS Sleep disturbance vs. PedsQL item Trouble sleeping

-0.71 (-0.67, -0.47) ^***

EQ-5D Utility score, PROPr and SMAIS

EQ-5D Utility score vs. SMAIS

0.28 (0.11, 0.41) ^***

PROPr vs. SMAIS

0.38 (0.2, 0.49,) ^***

EQ-5D dimensions and PROMIS-29

EQ-5D Mobility vs. PROMIS Physical function

-0.72 (-0.78, -0.61) ^***

EQ-5D Self-care vs. PROMIS Physical function

-0.67 (-0.77, -0.53) ^***

EQ-5D Usual activities vs. PROMIS Social roles and activities

-0.3 (-0.46, -0.12) ^***

EQ-5D Pain/discomfort vs. PROMIS Pain intensity VAS

0.51 (0.38, 0.62) ^***

EQ-5D Pain/discomfort vs. PROMIS Pain interference

0.41 (0.25,0.55) ^***

EQ-5D Anxiety/depression vs. PROMIS Anxiety/Fear

0.21 (0.02,0.38) ^**

EQ-5D Anxiety/depression vs. PROMIS Depression/Sadness

0.18 (0.01,0.35) ^*

Agreement between EQ-5D utility score and PROPr (ICC)

EQ-5D Utility score vs. PROPr

0.4 (0.31,0.57)