National Cancer Institute Home at the National Institutes of Health | www.cancer.gov

Validation Studies of the Behavioral Risk Factor Surveillance System (BRFSS) physical activity questions

Yore et al. 2007

See reference #115

Methods
BRFSS PAQ (administered 3xs) moderate and vigorous PA categories compared to pedometer and Actigraph accelerometer (22 days), and a daily physical activity (PA) log kept for 1 week. (Pearson correlation)
Sample
30 men and 30 women, mean age 44.5±15.7 years
Summary Results
  PAlog Actigraph Pedo
BRFSS (min/wk)
Survey 1-Moderate 0.04 0.27 0.03
Survey 1-vigorous 0.66 0.52 0.30
Survey 2-Moderate 0.21 0.20 0.22
Survey 2-vigorous 0.68 0.54 0.27
Survey 3-Moderate 0.08 0.16 028
Survey 3-vigorous 0.60 0.63 0.41

Last Modified: 11 Apr 2014