Table 2.
Pre-treatment descriptive statistics, overall and by stage 1 randomization.
| Overall n=61 |
JASP+EMT n=30 |
JASP+EMT+SGD n=31 |
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|---|---|---|---|---|---|---|
| % | n | % | n | % | n | |
| Gender | ||||||
| Male | 83% | 51 | 87% | 26 | 79% | 25 |
| Female | 17% | 10 | 13% | 4 | 21% | 6 |
| Race | ||||||
| White | 48% | 29 | 47% | 14 | 48% | 15 |
| Non-white | 52% | 32 | 53% | 16 | 52% | 16 |
| Site | ||||||
| UCLA | 39% | 24 | 40% | 12 | 39% | 12 |
| Vanderbilt | 33% | 20 | 33% | 10 | 32% | 10 |
| Kennedy Krieger | 28% | 17 | 27% | 8 | 29% | 9 |
| Mean (SD) | Mean (SD) | Mean (SD) | ||||
| Age | ||||||
| Years | 6.31 (1.16) | 6.18 (1.08) | 6.44 (1.23) | |||
| Cognitive Assessment (Leiter-R) |
||||||
| Non-verbal IQ | 68.2 (19.0) | 68.7 (21.3) | 67.6 (16.8) | |||
| Age-equivalent | 4.00 (1.12) | 3.93 (1.12) | 4.07 (1.14) | |||
| Autism Diagnostic Observation Schedule |
||||||
| ADOS | 20.07 (4.40) | 19.55 (4.27) | 20.60 (4.55) | |||
| Natural Language Sample |
||||||
| TSCU | 29.44 (25.37) | 28.37 (29.96) | 30.48 (20.35) | |||
| NDWR | 17.20 (16.44) | 16.78 (19.52) | 17.61 (12.91) | |||
| TCOM | 6.02 (8.17) | 7.01 (11.0) | 5.07 (3.8) | |||
| SPRQ | 7.62 (9.63) | 7.19 (10.26) | 8.03 (9.09) | |||
| Early Social Communication Scale |
||||||
| IJA | 6.43 (7.98) | 6.52 (8.80) | 6.29 (7.04) | |||
| IBR | 14.32 (10.23) | 15.65 (11.87) | 13.03 (8.28) | |||
| Structured Play Assessment |
||||||
| UPA | 14.39 (9.61) | 13.73 (9.40) | 15.03 (9.82) | |||
Notes. Abbreviations: JASP—Joint attention, social engagement, and play; EMT—Enhanced milieu training; SGD—Speech generating device; TSCU—Total socially communicative utterances; NDWR—Number of direct word roots; TCOM—Total number of comments; SPRQ—Spontaneous requests; IJA—Initiating joint attention; IBR—Initiating behavioral regulation; UPA—Unique play acts.