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Table 2 Mean scores and variability parameters of the different NES tests for the children whose parents returned their questionnaire (n = 485) in comparison with the results of other studies.

From: Neurobehavioral effects of transportation noise in primary schoolchildren: a cross-sectional study

Domain Test/condition RANCH Emmen[29]
   Mean +/- Std Min Max Median Mean +/- Std
Attention Simple Reaction Time      
  Latency (ms) 357 +/- 51 256 572 350 303 +/- 57
  Switching Attention      
  Errors "block" (#) 0.87 +/- 1.02 0 5 1 1 +/- 1.25
  Reaction time "block" (ms) 401 +/- 79 244 685 391 377 +/- 104
  Errors "arrow" (#) 1.71 +/- 1.59 0 8 1 1.25 +/- 1.36
  Reaction time "arrow" (ms) 557 +/- 108 245 949 546 499 +/- 95
  Errors "switch" (#) 10.52 +/- 5.70 0 27 10 10.11 +/- 5.89
  Reaction time "switch" (ms) 693 +/- 147 247 1075 700 794 +/- 203
Locomotion Hand Eye Coordination      
  Deviation from sinus pattern (pixels) 1.76 +/- 0.43 0.77 3.13 1.77 1.97 +/- 0.32
Perceptual Coding Symbol Digit Substitution      
  Latency (sec) 3.31 +/- 0.56 2.11 5.95 3.23 3.28 +/- 0.71
Memory Digit Memory Span      
  Mean span-length forwards 4.78 +-/0.63 3.30 7.60 4.70 4.9 +/- 0.7
  1. Abbreviations: ms = millisecond, # = number, sec = seconds, Std = Standard deviation, Min = minimum, Max = Maximum