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Validation Studies of the Stanford Brief Activity Survey (SBAS) of on-the-job activity and leisure-time activity

Taylor-Piliae et al. 2006

See reference #107

Methods
Two investigators established the face and content validity of the SBAS by independently grading each response category in the inactive, light, moderate (3.0–4.9 METs), hard (5.0–6.9 METs), and very hard (≥7.0 METs) activity categories, using established metabolic equivalents. Receiver operating curves were calculated to determine if SBAS could detect recommended physical activity levels of 150 or more minutes/week at moderate or greater intensity, derived from PAR minutes/week.
Sample
1,010 participants (38% women), aged 65.8 (±2.8) years
Summary Results
SBAS classification at moderate or greater intensity had a sensitivity of 0.73 and a specificity of 0.61 to detect the national physical activity recommendations of 150 or more minutes/week at moderate or greater intensity, using PAR minutes/week at moderate- or higher-intensity activity (Figure 2 in paper).

Last Modified: 11 Apr 2014