Table 1 Hypothesised correlations between the EQ-5D-Y-5L dimensions, EQ VAS score, SDQ and the Self-rated health question
Construct validity | EQ-5D-Y-5L | SDQ | Self-rated health | Hypothesised strengths of correlationsa |
|---|---|---|---|---|
Convergent | Mobility | Self-rated health | moderate | |
Looking after myself | Hyperactivity/inattention | moderate | ||
Looking after myself | Emotional symptoms | moderate | ||
Doing usual activities | Impact supplement | moderate−strong | ||
Having pain or discomfort | Emotional symptoms | moderate−strong | ||
Having pain or discomfort | Conduct problems | moderate−strong | ||
Having pain or discomfort | SDQ total score | moderate | ||
Feeling worried, sad or unhappy | Emotional symptoms | moderate−strong | ||
Feeling worried, sad or unhappy | SDQ total score | moderate | ||
Feeling worried, sad or unhappy | SDQ impact supplement | moderate | ||
EQ VAS | Self-rated health | moderate−strong | ||
EQ VAS | SDQ total score | moderate−strong | ||
EQ VAS | SDQ impact supplement | moderate−strong | ||
Discriminative | Mobility | All SDQ scales | negligible | |
Mobility | SDQ total score | negligible | ||
Mobility | SDQ impact supplement | negligible | ||
All EQ-5D-Y-5 L dimensions | Prosocial behaviour | negligible−weak | ||
EQ VAS | Prosocial behaviour | negligible−weak |