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Table 1 Descriptive statistics for proband and parent groups

From: Replication of CNTNAP2 association with nonword repetition and support for FOXP2 association with timed reading and motor activities in a dyslexia family sample

Age and Phenotype

Population mean (SD)

N Probands

Proband mean (SD)

N Parents

Parent mean (SD)

Age (months)

N/A

188

129 (22)

376

525 (59)

NWR

10 (3)

103

7.97 (1.73)

202

7.09 (1.81)

SR

50 (8)

102

50.88 (8.72)

198

47.78 (7.99)

RWRE

0 (1)

188

−0.69 (1.18)

372

2.14 (1.00)

WATT

100 (15)

188

85.31 (12.11)

371

101.45 (10.88)

RAPA

0 (1)

103

−0.30 (1.50)

199

−0.14 (1.23)

FS-D

0 (1)

101

0.09 (1.06)

200

0.72 (0.75)

  1. Norms for RWRE are based on a prepublication version of the TOWRE (Thorndike et al. 1986) and norms for RAPA and FS-D are based on UWLDC measures (Catts et al. 2002). Because the assessment battery was modified during the 10 years in which the participants were evaluated, not all participants were tested for all the measures