Measuring change in trials of physical activity interventions: a comparison of self-report questionnaire and accelerometry within the PACE-UP trial

• Main Authors: Elizabeth S. Limb (Author), Shaleen Ahmad (Author), Derek G. Cook (Author), Sally M. Kerry (Author), Ulf Ekelund (Author), Peter H. Whincup (Author), Christina R. Victor (Author), Steve Iliffe (Author), Michael Ussher (Author), Julia Fox-Rushby (Author), Cheryl Furness (Author), Judith Ibison (Author), Stephen DeWilde (Author), Tess Harris (Author)
• Format: Book
• Published: BMC, 2019-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Background Few trials have compared estimates of change in physical activity (PA) levels using self-reported and objective PA measures when evaluating trial outcomes. The PACE-UP trial offered the opportunity to assess this, using the self-administered International Physical Activity Questi...