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Table 2 Correlation between the IPAQ and SP2PAQ measurements and accelerometer measurements of energy expenditure from physical activity.

From: Validity of the international physical activity questionnaire and the Singapore prospective study program physical activity questionnaire in a multiethnic urban Asian population

  Moderate activity Vigorous activity  
N = 152 Correlation Corrected Correlation¥ Correlation Corrected Correlation¥  
IPAQ 0.13 0.15 0.18* 0.31*  
Stratified by age group      
   ≤40 years (N = 87) 0.08 0.09 0.30* 0.52*  
   > 40 years (N = 65) 0.21 0.24 -0.07 -0.01  
Stratified by gender      
   Male (N = 64) 0.24 0.27 0.28* 0.48  
   Female (N = 88) 0.12 0.13 0.05 0.09  
Stratified by ethnicity      
   Chinese (N = 66) 0.32* 0.36* 0.20 0.35  
   Malay (N = 34) 0.19 0.21 0.07 0.12  
   Indian (N = 52) -0.15 -0.17 0.28* 0.48  
SP2PAQ 0.24* 0.27* 0.42** 0.73*  
Stratified by age group      
   ≤40 years (N = 87) 0.21 0.24* 0.48** 0.83  
   > 40 years (N = 65) 0.27* 0.30* 0.28* 0.48  
Stratified by gender      
   Male (N = 64) 0.16 0.18 0.49** 0.85  
   Female (N = 88) 0.29* 0.33* 0.34* 0.59*  
Stratified by ethnicity      
   Chinese (N = 66) 0.34* 0.38* 0.50** 0.87  
   Malay (N = 34) 0.51* 0.57 0.39* 0.68  
   Indian (N = 52) -0.08 -0.09 0.32* 0.55  
  1. *p value < 0.05, ** p value < 0.0001
  2. IPAQ = International Physical Activity Questionnaire; SP2PAQ = Singapore Prospective Study Program Physical Activity Questionnaire
  3. ¥ corrected correlation = corrected for within-person variation in accelerometer measurements.