“…Nevertheless, some studies found that parents overestimated the QoL of their children; for example, for positive emotions in children with congenital hypothyroidism 58 or for all domains for 5-to 7-year-olds with CHD. 33 Interestingly, using the same QoL instrument (KINDL), 8-to 12-year-old children with hearing impairment rated their overall QoL significantly lower than their parents did in one study, 55 whereas in another study, hearing-impaired younger children (aged 4-7 years) reported significantly better QoL than parents did on the overall score. 54 Overall, studies using either a more functioning-oriented instrument (eg, CHQ, PedsQL, TACQOL) or a more well-being-oriented instrument (eg, KIDSCREEN, KINDL) found discrepancies between self-reports and proxy reports.…”