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Table 1 Time spent (%) in various intensities assessed between triaxial and uniaxial accelerometer (n = 62)

From: Comparison of uniaxial and triaxial accelerometry in the assessment of physical activity among adolescents under free-living conditions: the HELENA study

Intensity Monitor Mean [95% IC] Mean difference [95% IC] ICC P value
Sedentary Triaxial 48.99 [47.32; 50.65]    
  Uniaxial 51.13 [49.46; 52.79] 2.06 [1.86; 2.26] 0.99 0.0187
Light Triaxial 41.12 [39.76; 42.48]    
  Uniaxial 39.61 [38.26; 40.97] - 1.43 [-1.62; -1.25] †† 0.99 0.0323
Moderate Triaxial 9.53 [8.90; 10.17]    
  Uniaxial 8.84 [8.20; 9.47] - 0.69 [-0.77; -0.61] ** 0.99 0.0323
Vigorous Triaxial 0.36 [0.29; 0.44]    
  Uniaxial 0.34 [0.27; 0.42] - 0.02 [-0.04; 0.01] * 0.95 0.7108