Table 1
Sociodemographic characteristics of mothers of children with CNVs
Family ethnic background (%)
European
81
Mixed
8
Unknown
11
Highest maternal educational qualification (%)
Low
7
Middle
43
High
31
Unknown
19
Family income (%)
<£9999
6
£10 000–£19 999
18
£20 000–£39 000
31
£40 000–£59 000
14
£60 000+
17
Unknown
14