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Table 1 Descriptive data for study sample

From: Neural circuitry at age 6 months associated with later repetitive behavior and sensory responsiveness in autism

Variable HR-ASD HR-Neg P a
Six-month sample 32 106  
Total longitudinal sample 44 173  
Longitudinal scan complement
 6, 12, and 24 m scan 15 54  
 6 and 12 m scan 7 28  
 6 and 24 m scan 6 11  
 12 and 24 m scan 7 37  
 6 m scan 4 13  
 12 m scan 3 22  
 24 m scan 2 8  
Mean age time 1 6.4 (0.4) 6.7 (0.7) .08
Mean age time 2 12.8 (0.7) 12.6 (0.6) .16
Mean age time 3 24.5 (0.7) 24.7 (0.7) .92
Sex (% male) 89 58 <.001
ADOS repetitive behavior 2.7 (1.8) 0.7 (0.9) <.001
ADOS social affect 12.0 (3.8) 2.3 (2.2) <.001
ADOS severity score 6.0 (1.9) 1.6 (1.0) <.001
MSEL composite 79.3 (16.9) 102.1 (15.8) <.001
RBS-R total items endorsed 6 (0–38)b 2 (0–27)b <.001
SEQ total raw score 51.7 (12.6) 39.8 (7.6) <.001
  1. aTest statistic for independent samples t test except for sex (Fisher’s exact test) and RBS-R total items endorsed (Mann-Whitney U test)
  2. bMedian and range
  3. ADOS Autism Diagnostic Observation Schedule, MSEL Mullen Scales of Early Learning, RBS-R Repetitive Behavior Scale-Revised, SEQ Sensory Experiences Questionnaire