Skip to main content

Table 1 Descriptive statistics, cognitive health outcome variables (TILDA)

From: Road traffic noise and cognitive function in older adults: a cross-sectional investigation of The Irish Longitudinal Study on Ageing

Variable Units n Mean ± SD Min. Max.
Global cognitive function:
 Montreal Cognitive Assessment a Error score 1407 4.2 ± 3.5 0.0 24.0
 Mini Mental State Examination b Error score 1678 1.4 ± 2.0 0.0 26.0
Executive function:
 Animal Naming Test b Score 1667 19.5 ± 5.8 0.0 44.0
 Colour Trail Test 2 a Time (s) 1394 109.6 ± 46.2 43.5 645.1
Memory:
 Immediate recall b Score 1678 6.1 ± 1.7 0.0 10.0
 Delayed recall b Score 1679 6.3 ± 2.6 0.0 10.0
Processing speed:
 Choice Reaction Time a Total time (ms) 1322 815.5 ± 401.4 474.9 4205.3
 Colour Trail Test 1 a Time (s) 1412 57.5 ± 34.8 0.7 640.5
  1. SD denotes standard deviation.
  2. a Source: TILDA Health Assessment
  3. b Source: TILDA Computer Assisted Personal Interview