Skip to main content

Table 1 Characteristics and physical activity measurements of participants recruited to the HAPAQ validation study

From: Validation of the historical adulthood physical activity questionnaire (HAPAQ) against objective measurements of physical activity

  Period 1 (1994 - 1996) Period 2 (2000 - 2002) Period comparison*
  Median IQR Median IQR P value
BMI (kg/m2) 25.3 4.2 26.0 4.8 0.31
Objective measurements PA:      
Proportion time spent in VPA (%) 0.6 2.2 0.7 2.5 0.15
Total PAEE (kJ/min) 5.8 3.6 7.3 5.9 < 0.0001
HAPAQ- derived measures PA:      
Proportion time spent in VPA (%) 0.0 1.3 0.0 1.3 0.27
PAEE at home (kJ/min) 0.5 0.4 0.5 0.4 0.25
PAEE at work (kJ/min) 2.1 2.1 1.6 1.9 0.0002
PAEE for transportation (kJ/min) 0.0 0.1 0.0 0.1 0.11
PAEE for sport (kJ/min) 0.0 0.1 0.0 0.1 0.96
PAEE for exercise (kJ/min) 0.5 0.7 0.5 0.8 0.22
Total reported PAEE (kJ/min) 3.1 3.0 2.7 2.5 0.0003
Proportion retired (%) 12% 28% < 0.0001
  1. * Paired t-test used for continuous variables and McNemar's test used for categorical variables
  2. BMI: Body mass index
  3. VPA: Vigorous Physical Activity
  4. PAEE: Physical Activity Energy Expenditure
  5. IQR: Interquartile range