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Table 1 Participant characteristics of overall sample

From: The geometric preference subtype in ASD: identifying a consistent, early-emerging phenomenon through eye tracking

  1) ASDa 2) ASD feat. 3) DD 4) TD 5) Other 6) Typical sibling ASD ASD vs 2), p= ASD vs 3), p= ASD vs 4), p= ASD vs 5), p= ASD vs 6), p=
Sex, M/F 70/6 10/1 36/20 30/21 11/11 4/7 n/a n/a n/a n/a n/a
Age at eye tracking, months
Mean (SD) [range]
30.0 (8.8) [12.1–47.4] 31.9 (8.9) [15.8–40.7] 26.8 (9.5) [12.4–46.0] 29.7 (9.5) [12.9–47.5] 33.6 (10.3) [13.1–47.7] 27.8 (11.2) [12.2–44.6] NS NS NS NS NS
MSEL AEb scores/true age
 Visual reception .79 (.18) .94 (.24) .93 (.19) 1.16 (.18) 1.05 (.20) 1.17 (.16) NS < .001 < .001 < .001 < .001
 Fine motor .79 (.18) .90 (.13) .96 (.18) 1.04 (.13) .95 (.20) 1.04 (.16) NS < .001 < .001 < .01 < .001
 Receptive language .58 (.28) .82 (.24) .79 (.24) 1.10 (.16) 1.0 (.23) 1.03 (.15) < .05 < .001 < .001 < .001 < .001
 Expressive language .60 (.26) .72 (.20) .64 (.23) 1.04 (.17) .99 (.25) 1.04 (.13) NS NS < .001 < .001 < .001
VABSc standard scores
 Communication 75.2 (18.8) 90.8 (17.2) 84.6 (15.4) 104.1 (9.8) 98.8 (12.0) 101.5 (5.1) < .05 < .05 < .001 < .001 < .001
 Daily living 82.4 (15.5) 99.2 (11.7) 92.2 (13.2) 101.1 (9.3) 96.7 (15.2) 98.4 (11.6) < .005 = .001 < .001 < .001 < .005
 Socialization 80.1 (16.1) 96.0 (11.3) 96.4 (11.2) 102.7 (9.2) 97.4 (13.7) 104.4 (6.6) < .005 < .001 < .001 < .001 < .001
 Motor skills 87.8 (17.3) 96.6 (10.4) 91.0 (13.4) 99.7 (9.6) 94.8 (13.3) 99.9 (6.5) NS NS < .001 NS NS
 Composite score 78.8 (15.8) 94.6 (11.7) 88.6 (11.2) 102.7 (10.4) 96.1 (13.1) 100.9 (5.7) < .005 < .001 < .001 < .001 < .001
ADOSd module T, 1, or 2
 SAe 13.2 (4.2) 6.2 (5.5) 4.3 (3.1) 2.5 (1.7) 4.3 (3.7) 3.1 (2.2) < .001 < .001 < .001 < .001 < .001
 RRBf 3.7 (2.0) 2.0 (1.5) 0.8 (1.8) 0.4 (0.8) 0.4 (0.6) 0.5 (0.5) < .05 < .001 < .001 < .001 < .001
 Total score 16.9 (5.2) 8.2 (6.0) 5.2 (3.8) 2.9 (2.0) 4.7 (4.0) 3.6 (2.0) < .001 < .001 < .001 < .001 < .001
  1. aSee text for descriptions of diagnostic groups ASD, ASD Feat., DD, TD, Other, Typical Sibling ASD
  2. bMullen Scales of Early Learning, Age Equivalent
  3. cVineland Adaptive Behavior Scales
  4. dAutism Diagnostic Observation Schedule
  5. eSocial Affect Score
  6. fRestricted and Repetitive Behaviors Score