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Table 1. Sample characteristics

From: Differences in sleep EEG coherence and spindle metrics in toddlers with and without receptive/expressive language delay: a prospective observational study

 

Typically Developing (TD)

Language Delayed (LangD)

 

Baseline

Follow-up

Baseline

Follow-up

Total N

39

23

17

11

Male sex, n(%)

24 (62%)

15 (65%)

11 (65%)

7 (64%)

Age in years, mean (SD)

1.43 (0.25)

3.10 (0.11)

1.65 (0.11)

3.19 (0.28)

Age range in years

1.05 – 1.78

2.91 – 3.34

1.48 – 1.85

2.82 – 3.82

Ethnicity, n(%)

 Latino or Hispanic

4 (10%)

2 (9%)

2 (12%)

2 (18%)

 Not Latino or

35 (90%)

21 (91%)

14 (82%)

9 (82%)

Hispanic

 Unknown

0 (0%)

0 (0%)

1 (6%)

0 (0%)

Race, n(%)

 Black or African-American

3 (8%)

2 (9%)

6 (35%)

4 (36%)

 Asian

2 (5%)

1 (4%)

1 (6%)

0 (0%)

 White

30 (77%)

18 (78%)

9 (53%)

7 (64%)

 Multiple races

4 (10%)

2 (9%)

1 (6%)

0 (0%)

Behavioral scores, mean (SD)

 NVDQ

115.70 (13.81)

113.67 (12.86)

88.41 (19.58)

85.25 (16.62)

 VDQ

99.84 (10.63)

108.60 (12.86)

46.77 (16.06)

76.64 (23.19)

 Vineland-II Socialization

101.81 (6.05)

105.55 (7.19)

86.35 (6.13)

84.38 (9.81)

ASD diagnosis, n(%)

 

0 (0%)

 

7 (41%)

  1. NVDQ Non-Verbal Developmental Quotient. VDQ Verbal Developmental Quotient