Table 7.
Distribution of comorbidities among adolescents with no SSD, resolved SSD, low MSW, and persistent SSD.
| Comorbidity | Group |
Total |
χ2 | p | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No SSD-AD |
Resolved SSD |
Low MSW |
Persistent SSD |
|||||||||
| n | % | n | % | n | % | n | % | n | % | |||
| RDa,b,c,d,e | 17 | 12.41 | 31 | 29.52 | 22 | 66.67 | 24 | 58.54 | 94 | 29.75 | 57.49 | < .0001 |
| Persistent language impairmenta,b,c,d,e | 5 | 4.31 | 21 | 26.58 | 15 | 55.56 | 16 | 57.14 | 57 | 22.80 | 58.39 | < .0001 |
| Low PIQb,c | 3 | 2.61 | 11 | 12.36 | 5 | 19.23 | 8 | 22.86 | 27 | 21.51 | 16.14 | .0011 |
Note. RD = reading disability; SSD = speech sound disorders; MSW = Multisyllabic Word Repetition task; PIQ = Performance IQ scores from the Wechsler Intelligence Scale for Children–Third Edition (WISC-III) or Wechsler Adult Intelligence Scale–Fourth Edition (WAIS-IV).
a
No SSD-AD group differs from resolved group.
b
No SSD-AD group differs from low MSW group.
c
No SSD-AD group differs from persistent SSD group.
d
Resolved SSD group differs from low MSW group.
e
Resolved SSD group differs from persistent SSD group.