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Table 2 Sample characteristics

From: The autism inpatient collection: methods and preliminary sample description

  Overall sample Males Females
(n = 147) (n = 108) (n = 39)
  Mean (SD)/N (%) Range Mean (SD)/N (%) Range Mean (SD)/N (%) Range
Age (years) 12.58 (3.42) 4–20 12.55 (3.55) 4–20 12.67 (3.07) 6–18
Ethnicity (non-Hispanic/Latino) 120 (81.6 %)   86 (79.6 %)   34 (87.2 %)  
Race (White) 110 (74.8 %)   83 (76.9 %)   27 (69.2 %)  
Non-verbal IQ (n = 117) 70.86 (29.16) 30–137 73.01 (29.84) 30–137 64.63 (25.56) 31–113
Expressive Communication Subscale (Vineland-2) 6.55 (3.92) 1–17 6.65 (4.05) 1–17 6.26 (3.53) 1–17
Adaptive Behavior Composite (Vineland-2) (n = 128) 55.57 (12.88) 27–96 55.33 (12.79) 27–96 56.27 (13.36) 29–78
ADOS-2 Module administered       
 1 62 (42.2 %)   46 (42.6 %)   16 (41 %)  
 2 15 (10.2 %)   9 (8.3 %)   6 (15.4 %)  
 3 57 (38.8 %)   43 (39.8 %)   14 (35.9 %)  
 4 13 (8.8 %)   10 (9.3 %)   3 (7.7 %)  
ADOS-2 scores: Modules 1, 2, and 3 only (n = 134)       
 Comparison score 7.47 (1.57) 4–10 7.52 (1.55) 4–10 7.36 (1.64) 4–10
 Social affect 13.44 (4.26) 2–20 13.4 (4.23) 2–20 13.56 (4.16) 5–20
 Restricted/repetitive behaviors 3.44 (2.12) 0–8 3.50 (2.11) 0–8 3.28 (2.16) 0–7
ADOS-2 scores: Module 4 only (n = 13)       
 Social and communication 12.31 (3.40) 8–19 12.0 (2.87) 8–16 13.33 (5.51) 8–19
 Stereotyped behaviors and restricted interests 2.92 (3.23) 0–13 3.20 (3.55) 1–13 2.0 (2.0) 0–4
Aberrant Behavior Checklist (ABC) Subscales       
 Irritability 28.58 (8.6) 8–45 27.72 (8.5) 8–45 31.15 (8.2) 10–42
 Lethargy 15.98 (8.5) 1–44 15.99 (8.6) 1–44 15.94 (8.3) 1–39
 Stereotypy 8.98 (5.7) 0–20 8.62 (5.6) 0–20 10.06 (5.9) 2–20
 Hyperactivity 30.58 (10.2) 1–47 30.73 (10.4) 1–47 30.15 (9.7) 11–45
 Inappropriate speech 5.61 (3.8) 0–12 5.61 (3.8) 0–12 7.03 (3.6) 0–12
Self-injurious behavior (SIB) present 39 (26.5 %)   26 (24.1 %)   13 (33.3 %)  
Repetitive Behavior Scale – Revised (RBS-R) – Self-Injury Subscale total score for subjects with SIB present (n = 39) n = 39   n = 26   n = 13  
Md = 11.0   Md = 9.0a   Md = 15.0a
  1. Md median
  2. aSignificant difference between male and female RBS-R scores, Mann-Whitney U = 1113.50, z = −2.75, p = 0.006