Development and Validation of a New Self-Report instrument for Measuring Sedentary Behaviors and Light-Intensity Physical Activity in Adults

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Barwais, Faisal Arwad
F. Cuddihy, thomas
Washington, Tracy
Tomson, Mich
Brymer, Eric
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2014
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Abstract

Low levels of physical activity and high levels of sedentary behavior (SB) are major public health concerns. This study was designed to develop and validate the 7-day Sedentary (S) and Light Intensity Physical Activity (LIPA) Log (7-day SLIPA Log), a self-report measure of specific daily behaviors. Method: To develop the log, 62 specific SB and LIPA behaviors were chosen from the Compendium of Physical Activities. Face-to-face interviews were conducted with 32 sedentary volunteers to identify domains and behaviors of SB and LIPA. To validate the log, a further 22 sedentary adults were recruited to wear the GT3x for 7 consecutive days and nights. Results: Pearson correlations (r) between the 7-day SLIPA Log and GT3x were significant for sedentary (r = .86, P < .001), for LIPA (r = .80, P < .001). Lying and sitting postures were positively correlated with GT3x output (r = .60 and r = .64, P < .001, respectively). No significant correlation was found for standing posture (r = .14, P = .53).The kappa values between the 7-day SLIPA Log and GT3x variables ranged from 0.09 to 0.61, indicating poor to good agreement. Conclusion: The 7-day SLIPA Log is a valid self-report measure of SB and LIPA in specific behavioral domains.

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Journal of Physical Activity & Health
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11
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Health Information Systems (incl. Surveillance)
Human Movement and Sports Sciences
Public Health and Health Services
Curriculum and Pedagogy
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