Table 2 Language characteristics among males and females with FXTAS symptoms.

From: Language use predicts symptoms of fragile X-associated tremor/ataxia syndrome in men and women with the FMR1 premutation

Language variable

Definition

Males

M(SD), Range

Females

M(SD), Range

Lexical diversity

Number of different words

212.10 (51.76),

117–298

216.90 (46.83),

106–287

Semantic productivity

Noun + verb rate per utterance

3.70 (.84),

2.25–5.33

3.35 (.97),

2.24–5.75

Dysfluency

Total dysfluenciesa

41.90 (18.33)

15–86

39.20 (16.62)

20–76

Syntactic complexity

Mean length of utterance in morphemesb

11.57 (2.29),

7.08–17.87

10.96 (3.01),

7.24–18.53

Speech rate

Number of words/Time(s)*60

112.72 (31.52)

49.74–161.17

119.61 (26.15)

80.67–160.99

  1. aTotal dysfluencies are listed here for descriptive purposes. However, we used rate of dysfluencies per utterance in analyses to minimize differences due to language sample length.
  2. bMean length of utterance was log transformed for analyses. The uncorrected data are reflected here.
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