Table 3 Raw means (±s.e.) of cognitive test scores across actigraphy intensity (peak count) tertiles. Analysis of variance and multivariate linear regression results

From: Intense physical activity is associated with cognitive performance in the elderly

Cognitive Test

Actigraphy intensity (peak count) tertiles

F-valuea

Unstandardised β coefficient (95% CI)b

 

T1

T2

T3

  

Digit span

16.4±3.38

17.5±3.5

17.9±3.68

3.66*

0.656* (0.038, 1.275)

Digit symbol/coding

58.6±12.92

64.0±14.55

63.8±13.0

3.77*

1.743 (−0.605, 4.091)

RCFTc copy

29.7±0.5

29.7±0.4

31.4±0.3

5.75**

0.574* (−0.042, 1.190)

RCFT 30 min delay

16.0±0.7

16.3±0.7

19.5±0.6

7.78***

0.538 (−0.438, 1.514)

CVLTd learning score

51.1±1.4

53.2±1.3

55.2±1.3

2.26

1.132 (−0.630, 2.895)

COWATe letter fluency

39.6±1.3

40.2±1.0

43.5±1.4

2.92

2.037* (0.212, 3.934)

  1. *P<0.05.
  2. **P<0.01.
  3. ***P<0.001.
  4. aF value calculated from unadjusted one-way analysis of variance.
  5. bUnstandardised coefficients from multivariate linear model adjusted for age, gender and years of education (95% confidence interval).
  6. cRCFT, Rey Complex Figure Test.
  7. dCVLT, California Verbal Learning Test, version 2.
  8. eCOWAT, Controlled Oral Word Assocation Task.
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