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Table 4 Mean bias of the APCAPS-PAQ for physical activity measured in the APCAPS-PAQ and by the Actiheart in free-living adults

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

  All participants (n = 245) Men (n = 136) Women (n = 109)
PAEE kj/kg/day
 Questionnairea 65.8 (25.8) 70.6 (26.2) 60.0 (24.1)
 Mean biasb 10.6 (1.7) 9.9 (2.6) 11.4 (2.1)
 p <0.001 0.002 <0.001
Time spent in different activity intensities (min/day)
Sedentary    
 Questionnairea 847 (206) 791 (188) 916 (207
 Mean biasb −48 (14.6) −68 (20.4) −23 (20.5)
 p 0.001 0.001 0.26
Light    
 Questionnairea 395 (162) 418 (165) 366 (154)
 Mean biasb −63 (12.4) −60 (17.7) −66 (17.2)
 p <0.001 <0.001 <0.001
MVPA    
 Questionnairea 139 (151) 179 (145) 101 (152)
 Mean biasb 105 (8.9) 118 (12.3) 89 (12.8)
 p <0.001 <0.001 <0.001
  1. aData from the questionnaire are mean and standard deviation (SD)
  2. bMean bias = questionnaire – Actiheart. Bias is reported as means and standard error (SE)