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. Author manuscript; available in PMC: 2019 Nov 1.
Published in final edited form as: J Autism Dev Disord. 2018 Nov;48(11):3678–3688. doi: 10.1007/s10803-017-3460-2

Table 1.

Subject demographics and non-verbal IQ in full sample and within SIB groups

Mean (SD) or
%(N)
Full (N = 302) Low/No SIB
(“N”; N = 78)
Home
SIB (“H”;
N = 149)
Home and
Hospital
SIB (“HH”;
N = 75)
Statistic
(p-value)
ES (95% CI)
HH vs. H
ES (95% CI)
HH vs. N
ES (95% CI) H
vs. N
Demographic
  Age, %(N) 12.9 (3.4) 13.22 (3.42) 12.97 (3.43) 12.51 (3.30) 0.87 (0.422) − 0.14 (− 0.42, 0.14) − 0.21 (− 0.53, 0.11) − 0.07, (− 0.35, 0.20)
  Female, %(N) 21.19% (64) 16.67% (13) 20.81% (31) 26.67% (20) 2.32 (.314) 0.14 (− 0.15, 0.41) 0.24 (− 0.07, 0.57) 0.11 (− 0.16, 0.39)
  Caucasian, %(N) 81.79% (247) 82.05% (64) 80.54% (120) 84.00% (63) 0.41 (.816) 0.09 (− 0.18 0.40) 0.05 (− 0.25, 0.39) − 0.04 (− 0.32, 0.23)
  Hispanic or Latino, %(N) (N = 285) 6.32% (18) 2.86% (2) 7.14% (10) 8.00% (6) FE (.413) − 0.11 (− 0.41, 0.16) − 0.07 (− 0.41, 0.25) 0.04 (− 0.23, 0.33)
  Income 3.91 (2.55) 4.54 (2.70) 3.66 (2.44) 3.77 (2.55) 2.85 (0.060) 0.04 (− 0.25, 0.34) − 0.29 (− 0.64, 0.05) − 0.35 (− 0.64, − 0.05)

“FE” instead of a statistic indicates that a Fisher’s Exact test was used to compare groups because of small cell sizes (this test does not generate a test statistic)