Table 2.

Summary of the characteristics of the participants and their child(children).

Parent						Child/adult with ID
No	Age	Gender	Ethnicity	Marital Status	Occupation	Age	Gender	Diagnosis	Position in Family
1	62	F	British	Married	Retired	43	F	GDD/Physical disabilities	Only child
2	53, 40	M, F	Caucasian	Married	Unemployed/carer	15, 13	M, M	Both GDD, plus one also has ASD	Second and third of five children
3	64	F	White South African	Divorced/single	Retired	12	F	ASD	Only child (granddaughter)
4	63, 64	M, F	Caucasian	Married	Retired	34	M	Spina bifida, hydrocephalus	Youngest of 3
5	70	F	Caucasian	Married	Retired	7	M	ASD	Only child (grandson)
6	45	F	Columbian	Divorced/single	Full-time carer	12	F	ASD	Only child
7	33	F	Turkish	Married	Full-time carer	7, 7	M, M	GDD, blind, one also partially deaf	Only children (twins)
8	40	M	Asian	Married	Unemployed	10	F	GDD	Youngest of three
9	59	F	Caucasian	Married	Unemployed	33	F	Williams syndrome	Youngest of two
10	68	M	Caucasian	Married	Retired	32	M	Down syndrome	Youngest of three
11	49	F	Jamaican	Single	Employed full-time	25	M	GDD and ASD	Only child
12	60	F	Australian	Single	Full-time student	36	F	Blind and ASD	Youngest of two
13	51	F	Caucasian	Married	Employed part-time	27	M	Chromosomal abnormality	Youngest of two
14	32	F	Caucasian	Separated/single	Full-time carer	15	F	GDD/physical disabilities	Only child
15	48	F	Caucasian	Married	Employed part-time	23	M	Down syndrome	Youngest of two
16	61	F	Caucasian	Married	Retired	31,	F	ASD	Middle child of three
17	29	F	Polish	Single	Full-time carer	7	M	Acquired brain injury	Only child

GDD: global developmental delay; ASD, autism spectrum disorder; ID: intellectual disability.