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. Author manuscript; available in PMC: 2018 Apr 13.
Published in final edited form as: Educ Train Autism Dev Disabil. 2016 Jan 19;50(4):397–407.

TABLE 2.

Baseline Equivalence of Child Demographic Characteristics and Screening Measures for Children with ASD

Total (n = 34) Control (n = 17) Intervention (n = 17) Test Statistic p-value
Demographic characteristic
 Age M(SD) 4.1 (0.4) 4.1 (0.4) 4.1 (0.3) −0.45 .658
 Percent Female 8 (23.5) 4 (23.5) 4 (23.5) 0.00 1.000
 Percent African American 11 (32.4) 3 (17.6) 8 (47.2) 3.35 .066
 Percent Caucasian 19 (55.9) 12 (70.6) 7 (41.2) 2.98 .084
 Percent on IFSP 12 (35.3) 6 (35.3) 6 (35.3) 0.00 1.000
Screening measures
 Percent ranked 1st on ESP 31 (91.2) 15 (88.2) 16 (94.1) 0.37 .545
 ESP ABS M(SD) 22.1 (6.7) 23.2 (7.0) 21.0 (6.3) 0.98 .337
 ESP ABI M(SD) 21.4 (4.1) 21.9 (3.5) 20.9 (4.8) 0.70 .490
 ESP MBI M(SD) 30.8 (6.3) 30.8 (5.4) 30.8 (7.2) −0.03 .979

Note. Reported test statistics are t for continuous and χ2 for dichotomous measures.

IFSP = Individualized Family Service Plan, ESP = Early Screening Project, ABS = Aggressive Behavior Scale, ABI = Adaptive Behavior Index, MBI = Maladaptive Behavior Index