Table 2 Participant demographics of study sample in rDCD and TD groups.

From: Auditory rhythm facilitates perception and action in children at risk for developmental coordination disorder

Variable

rDCD (± SD)

TD (± SD)

T-Test P Value

Sample size

21

22

N/A

Females:Males

4:17

13:9

N/A

Age

8.9 ± 0.7

8.8 ± 0.8

.861

MABC-2 Percentile

10 ± 4.9

53 ± 24.8

 < .001

Digit Span †

16.3 ± 3.3

15.2 ± 3.0

.273

Years of music training

1.38 ± 1.8

1.41 ± 1.6

.957

CPRS-R:S ‡

54.1 ± 8.3

50.1 ± 5.7

.072

SES §

4.2 ± 1.4

5.0 ± 2.0

.131

  1. †Maximum digit span score = 32.
  2. ‡Conner’s Parent Rating Scale Revised (Short): T-scores > 60 represent atypical behaviour.
  3. §SES (socioeconomic status) was estimated by average household income per year, scored on a scale of 1–7, where 1 =  < $30,000, 2 = $30,000–60,000, 3 = $60,000–90,000, 4 = $90,000–120,000, 5 = $120,000–150,000, and 6 =  > $150,000.
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