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Table 1 Median and inter-quartile range [IQR] of students’ MPA, VPA, and MVPA (mins/day) by instrument and sex (n = 146)

From: Validity and reliability of a physical activity questionnaire for Vietnamese adolescents

  All (n = 146) Boys (n = 69) Girls (n = 77)
  Accelerometers V-APARQ1a V-APARQ2b Accelerometers V-APARQ1a V-APARQ2b Accelerometer V-APARQ1a V-APARQ2b
  Median Median Median Median Median Median Median Median Median
  [IQR] [IQR] [IQR] [IQR] [IQR] [IQR] [IQR] [IQR] [IQR]
MPA (min/d) 57.4 80.4 72.4 74.7 127.7 130.1 42.5 48.2 50.2
[40.4, 75.0] [50.4, 124.8] [40.9, 174.1] [63.0, 92.6] [106.8, 160.6] [39.9, 178.1] [29.3, 57.0] [19.8, 64.8] [29.8, 57.5]
VPA (min/d) 3.0 10.4 10.1 7.8 11.3 14.6 1.6 10.4 7.8
[1.4, 7,8] [8.2, 14.3] [6.6, 13.9] [3.8, 14.8] [3.2, 21.9] [14.3, 52.9] [0.8, 2.8] [6.7, 15.9] [5.0, 15.0]
MVPA (min/d) 61.3 90.8 82.3 83.4 139.5 144.6 45.0 58.8 58.1
  [41.8, 84.0] [56.0, 137.8] [56.3, 139.4] [69.0, 109.3] [126.5, 157.2] [125.4, 167.4] [29.8, 57.5] [40.6, 74.4] [47.2, 73.2]
  1. a  = first administration of V-APARQ. ; b  = second administration of V-APARQ.