Conceptualisation and Development of a Quality of Life Measure for Parents of Children with Autism Spectrum Disorder

Table 3

Descriptive statistics and internal consistency coefficients for all measures used.

Variable	Mean	Range	SD	Cronbach’s 𝛼
QoLA Part A: ASD group	86.96	46–138	21.53	0.94
QoLA Part A: control group	110.00	65–138	17.58	0.96
QoLA Part B: ASD group	68.52	30–99	17.56	0.92
QoLA Part B: control group	94.31	78–100	6.14	0.86
WHOQOL-BREF: Physical^a	59.32	28.57–89.29	17.45	0.85
WHOQOL-BREF: Psychological^a	55.98	33.33–91.67	15.38	0.75
WHOQOL-BREF: Social relations^a	55.07	16.67–100	22.15	0.72
WHOQOL-BREF: Environmental^a	58.70	28–97	17.12	0.84
DASS-21: Depression^a	4.91	0–13	3.57	0.86
DASS-21: Anxiety^a	3.30	0–10	3.01	0.75
DASS-21: Stress^a	6.74	0–14	3.70	0.81
PSOC: Satisfaction^a	3.16	1–5.4	1.02	0.81
PSOC: Efficacy^a	4.35	2.14–6	0.95	0.89
PSOC: Interest^a	4.59	2–6	1.35	0.78

aMeasure administered to ASD group only.