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. 2014 Oct 17;9(10):e110492.
doi: 10.1371/journal.pone.0110492. eCollection 2014.

The Andersen aerobic fitness test: reliability and validity in 10-year-old children

Eivind Aadland  1 , Torkil Terum  2 , Asgeir Mamen  3 , Lars Bo Andersen  4 , Geir Kåre Resaland  5
Affiliations

The Andersen aerobic fitness test: reliability and validity in 10-year-old children

Eivind Aadland et al. PLoS One. .

Abstract

Background: High aerobic fitness is consistently associated with a favorable metabolic risk profile in children. Direct measurement of peak oxygen consumption (VO2peak) is often not feasible, thus indirect tests such as the Andersen test are required in many settings. The present study seeks to determine the reliability and validity of the Andersen test in 10-year-old children.

Methods: A total of 118 10-year-old children (67 boys and 51 girls) were recruited from one school and performed four VO2peak tests over three weeks: three Andersen tests (indirect) and one continuous progressive treadmill test (direct). Of these, 104 children provided valid data on all Andersen tests and 103 children also provided valid data on the direct treadmill test. Reliability and validity were assessed using Bland Altman plots and linear regression analysis.

Results: Bias (mean change) and random error (limits of agreement) were 26.7±125.2 m for test 2 vs. test 1 (p<.001 for mean difference) and 3.9±88.8 m for test 3 vs. test 2 (p = .514 for mean difference). The equation to estimate VO2peak suggested by Andersen et al. (2008) showed a poor fit in the present sample; thus, we suggest a new equation: VO2peak = 23.262+0.050*Andersen distance -3.858*gender -0.376*body weight (R2 = 0.61, standard error of the estimate = 5.69, p<.001, boys = 0, girls = 1).

Conclusions: The Andersen test provided reliable and valid data on a group level. However, a substantial degree of individual variability was found for estimates of VO2peak. Researchers should be aware of the amount of noise in indirect tests that estimate aerobic fitness.

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Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

Figures

Figure 1
Figure 1. Bland Altman plots showing differences between test 1 and test 2 (A) and between test 2 and test 3 (B) as a function of the mean of the two corresponding tests.
The solid line is the mean difference; dotted line is limits of agreement (bias±1.96*SD of the difference).
Figure 2
Figure 2. Bland Altman plots showing differences between measured VO2peak and predicted VO2peak from Andersen et al. (VO2peak = 18.38+0.033*Andersen test –5.92*gender) as a function of the mean of the two values.
Figure 3
Figure 3. Bland Altman plots showing differences between measured VO2peak and predicted VO2peak as a function of the mean of the two values in class 2 (testing dataset) based on the regression equation derived from class 1 (training dataset) (VO2peak = 22.887+0.052*Andersen test –5.632*gender –0.386*body weight).
The solid line is the mean difference; dotted line is limits of agreement (bias±1.96*SD of the difference).
See this image and copyright information in PMC

References

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