The effect of functioning on Quality of Life Inventory-Disability measured quality of life is not mediated or moderated by parental psychological distress

The measurement of quality life (QOL) in children with intellectual disability often relies upon proxy report via caregivers. current study investigated whether caregiver psychological distress mediates or moderates the effects impairment on their ratings QOL disability. Caregivers 447 an reported child’s day-to-day functioning, own using Kessler Psychological Distress Scale, and Quality Life Inventory-Disability (QI-Disability), a measure for observable behaviours that indicate life. Linear regression was used to assess functional abilities QI-Disability score causal mediation analysis estimate extent which these were mediated by caregivers’ distress. A minority caregivers (n = 121, 27.1%) no Lower abilities, such as being fully dependent others manage personal needs associated lower total scores. There significant effect association between child functioning Moderation analyses revealed small largely nonsignificant interaction coefficients, indicating did not influence strength relationship Caregiver mediate moderate level measured may reduce factors accurate