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Table 5 Parameter estimates from age-based mixed models (matched trios)

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

  Estimate (SE) t-value Pr > |t|
Visual working memory (SWM errors)
 Intercept 32.37 (5.05) 6.41 <.001
 Age − 0.087 (0.33) − 0.26 0.796
 Conv vs. NConv − 17.90 (6.92) − 2.59 0.013
 Conv vs. Cont 18.7 (6.98) 2.49 0.011
 ConvSlope vs NConvSlope 1.136 (0.46) 2.50 0.017+
 ConvSlope vs ContSlope − 0.70 (0.46) − 1.55 0.128
Motor dexterity (Purdue Pegboard score)
 Intercept 38.97 (1.18) 32.90 <.001
 Age − 0.24 (0.08) − 3.16 <.001
 Conv vs. NConv 1.89 (1.64) 1.15 0. 255
 Conv vs. Cont − 3.37 (1.64) − 2.06 0.046
 ConvSlope vs NConvSlope − 0.067 (0.11) − 0.64 0.528
 ConvSlope vs ContSlope − 0.036 (0.10) − 0.34 0.735
Planning (OTS score)
 Intercept 10.52 (0.56) 18.53 <.001
 Age 0.02 (0.04) 0.45 0.654
 Conv vs. NConv 2.52 (0.79) 3.21 0.003
 Conv vs. Cont − 1.28 (0.78) − 1.63 0.110
 ConvSlope vs NConvSlope − 0.15 (0.05) − 2.94 0.005*
 ConvSlope vs ContSlope 0.10 (0.05) 2.01 0.051+
  1. “Age” = change in value per year of age, centered at youngest age in this matched sample which is 47.9 years. * < .05, + < .10 after Benjamini Hochberg correction for multiple comparisons