Table 1.
Characteristics of children with NF1
| Variable | |
|---|---|
| Demographic characteristics |
n = 69 Frequency (%) |
| Age | 8.7 (4.1)a |
| Gender | |
| Male | 40 (58) |
| Female | 29 (42) |
| Type of education | |
| Regular education | 48 (70) |
| Special education | 21 (30) |
| Social economic status b | 0.34 (1.29)a |
| Mode of inheritance NF1 | |
| De novo mutation | 39 (57) |
| Familial mutation | 29 (42) |
| Unknown | 1 (1) |
| Neuropsychiatric problems | |
| Attention-deficit/hyperactivity disorder (ADHD) | |
| ADHD combined type | 25 (36) |
| ADHD inattentive type | 11 (16) |
| ADHD hyperactive/impulsive type | 2 (3) |
| Total | 38 (55) |
| Using stimulant medication | 18 (26) |
| Autism spectrum disorder (PDD-NOS) | 7 (10) |
| Neurologic and orthopaedic problems | |
| Hypotonia | 14 (20) |
| Hypermobility (Beighton criteria) | 13 (19) |
| Scoliosis | 7 (10) |
aMedian (interquartile range)
bAverage SES in 2010 = 0.17; higher scores indicate higher SES