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Table 1 Group descriptive statistics

From: Neuropsychological changes in FMR1 premutation carriers and onset of fragile X-associated tremor/ataxia syndrome

  Control
m (SD)
Premutation
m (SD)
P
Age in years 57.4 (9.34) 60.0 (8.85) .198
Education level+ 6.00 (1.34) 6.13 (1.01) .612
Income level* 4.45 (1.18) 4.63 (1.80) .679
FSIQ 122.6 (13.4) 122.8 (14.3) .933
CGG repeats 29.6 (3.95) 86.08 (19.3) < 0.001
Psychoactive medication use (%) 20.0 34.4 .159
Race: non-Hispanic Caucasian (%) 80.0 91.0 .087
  1. +Education level of 6.0 is equal to a BA/BS degree
  2. *Income levels between 4 to 5 are equal to $75,000 to $150,000 per year household income
  3. FSIQ full scale IQ