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Table 1 Participant Demographics

From: Developmental divergence: motor trajectories in children with fragile X syndrome with and without co-occurring autism

  FXS-Whole Group
(n=42)
FXS+ASD
(n=24)
FXS-only
(n=18)
TD
(n=40)
Assessment Age (months) - 9 12 18 24 36 48 60 9 12 18 24 36 48 60 9 12 18 24 36 48 60
Participant n - 11 12 2 20 8 9 3 12 15 1 18 11 7 2 37 38 0 32 15 15 4
  *M (SD) *M (SD) *M (SD) *M (SD)
Chronological Age (months) 24.31 (14.74) 24.77 (15.19) 23.86 (14.38) 22.20 (14.56)
Nonverbal Dev. Quotient 72.39 (24.84) 61.76 (20.73) 83.02 (24.17) 104.73 (17.99)
Direct Assessment
 Gross Motor 16.58 (6.42) 15.78 (5.74) 17.30 (6.96) 18.67 (6.06)
 Fine Motor 17.59 (7.87) 15.67 (6.54) 19.51 (8.63) 22.43 (10.60)
Parent Report
 Gross Motor 33.91 (19.89) 30.89 (18.89) 37.21 (20.76) 40.35 (20.88)
 Fine Motor 16.63 (8.91) 14.56 (7.31) 18.89 (9.97) 21.70 (11.25)
  N (%) N (%) N (%) N (%)
Male 30 (71.4) 22 (91.67) 8 (44.44) 32 (80.00)
Caucasian 26 (61.91) 17 (70.83) 9 (50.00) 33 (82.50)
Black 3 (7.14) 1 (4.16) 2 (11.11) 4 (10.00)
Other/Multiracial 13 (30.95) 6 (25.00) 7 (38.89) 3 (7.50)
  1. *Sample grand M (SD) across assessments