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Table 3 Correlation and к agreement reported in the APCAPS-PAQ and parameters derived from the Actiheart monitor for free-living activity in Indian adults

From: Development and evaluation of the Andhra Pradesh Children and Parent Study Physical Activity Questionnaire (APCAPS-PAQ): a cross-sectional study

  Actiheart
  All (n = 245) Men (n = 136) Women (n = 109)
   p   p   p
PAEE (kj/kg/day)       
 ρ 0.37 <0.001 0.24 0.006 0.46 <0.001
 κ 0.21 <0.001 0.16 0.006 0.28 <0.001
Sedentarya       
 ρ 0.26 <0.001 0.08 0.37 0.35 <0.001
 κ 0.14 <0.001 0.04 0.25 0.27 <0.001
Lighta       
 ρ 0.07 0.30 −0.10 0.26 0.20 0.004
 κ 0.04 0.21 −0.08 0.90 0.18 0.004
MVPAa       
 ρ 0.39 <0.001 0.25 0.003 0.36 0.003
 κ 0.16 0.004 0.15 0.02 0.16 <0.001
  1. Data presented are: ρ (spearman rank correlation coefficient) and к coefficient
  2. aSedentary activity = time spent in activities <1.5 MET; light activity = time spent in activities 1.5-3 METS; MVPA = time spent in activities >3 MET
  3. p-value for spearman rank and к coefficient is a test of independence between the two data measures