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Validation Studies of the Behavioral Risk Factor Surveillance System- New Walking Module

Yore et al. 2004 (Abstract)

See reference #17

Methods
Relationships between BRFSSA PA module and activity logs in two studies: 1) Participants answered the survey 4 times (twice in-person and twice by telephone) and completed an activity log for 3 weeks, and 2) participants answered the survey 3 times by telephone and completed an activity log for 1 week.
Sample
Study 1 (n = 92) conducted in 1998-1999, Study 2 (n = 60) was conducted in 2000-2001; for both, partici-pants were 50% female, 80% white; mean age of 45 years
Summary Results
Abstract summary: In Study 1, 29% reported recommended walking on the BRFSS survey and 50% reported recommended walking on the log, concurrent validity kappa = 0.07. In Study 2 48% reported recommended walking on the BRFSS survey and 38% reported recommended walking on the log (k = .19). The concurrent validity of these questions is poor (K<0.2)

Last Modified: 11 Apr 2014