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Table 1 Mean values and standard deviations of gait and backward counting parameters under single and dual-task condition among healthy young adults (n = 49)

From: Stride-to-stride variability while backward counting among healthy young adults

 

Single task

Dual-task

P-value*

Stride velocity

   Mean value (cm/sec)

129.7 ± 13.5

122.9 ± 16.0

<0.001

   CV (%)

4.3 ± 2.0

4.7 ± 1.1

0.097

Stride time

   Mean value (ms)

1066.9 ± 81.7

1129.5 ± 138.1

<0.001

   CV (%)

1.8 ± 0.8

2.1 ± 1.1

0.015

Stride length

   Mean value (cm)

137.4 ± 11.6

136.9 ± 11.7

0.414

   CV (%)

3.9 ± 1.0

4.1 ± 1.0

0.275

Number of enumerated figures

18.9 ± 5.1

16.1 ± 3.8

<0.001

  1. ±: Standard deviation
  2. CV: Coefficient of Variation = ([standard deviation/mean] × 100)
  3. *: Compared to single task and based on paired samples t-test and use of normalized value by taking the logarithmic transformation
  4. Sec: Second