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. Author manuscript; available in PMC: 2022 Jun 17.
Published in final edited form as: Pediatr Res. 2021 Dec 9;91(6):1579–1586. doi: 10.1038/s41390-021-01871-2

Table 2.

Means and percentages of outcome variables in full sample.

Child Outcomes
Bayley-III (scaled scores) Mean SD Range < 1SD (%) < 2SD (%)
Cognitive 8.41 3.02 1 – 19 25% 6.3%
Expressive communication 7.89 2.86 1 – 17 27% 7.7%
Receptive communication 8.13 2.97 1 – 19 28% 5.2%
Fine motor 9.41 2.82 1 – 18 12% 4.6%
Gross motor 7.98 2.67 1 – 18 20% 7.8%
CBCL syndrome scales (raw scores) Mean SD Range T ≥ 65 (%) T ≥ 70 (%)
Emotionally reactive 2.04 2.31 0 – 15 8.6% 2.2%
Anxious/depressed 2.22 2.06 0 – 10 4.1% 1.1%
Somatic complaints 1.72 2.01 0 – 12 10% 3.4%
Withdrawn 1.60 2.10 0 – 14 9.7% 6.5%
Sleep problems 2.55 2.60 0 – 14 5.8% 3.8%
Attention problems 3.12 2.25 0 – 10 16% 10%
Aggressive behaviors 9.04 6.99 0 – 38 7.9% 3.8%
Diagnosis/Risk % Range
Cerebral palsy diagnosis 16% 0 – 1
ASD, MCHAT-R/F positive screen 16% 0 – 1

Note. CBCL = Child behavior checklist; ASD = autism spectrum disorder; MCHAT-R/F = Modified Checklist for Autism in Toddlers, Revised, with Follow-Up.