Background Systematic reviews and results of Statistics Canada surveys have shown a
discrepancy between self-reported and measured physical activity. This study compares …

Background: Self-reported and accelerometer-measured physical activity levels generally
exhibit low correlation and agreement. The objective of this study is to compare estimates of …

Background: Generally, correlation and agreement between self-reported and
accelerometer-measured physical activity are low. The objective of this study is to compare …

Background The assessment of physical activity for surveillance or population based studies
is usually done with self-report questionnaires. However, bias in self-reported physical …

Accurate measurement of physical activity is fundamentally important in epidemiological
research of physical activity behavior. A widely used telephone-based physical activity …

Purpose Development and validation of a physical activity scale for measuring physical
activity in 24 h of sports, work, and leisure time on an average weekday. Methods For …

Background: To examine the agreement between self-reported and objectively assessed
physical activity (PA) according to current public health recommendations. Methods: One …

Background: The purpose of this paper is to evaluate self-reported physical activity of young
adults using 1-week and 1-year recall measures with an accelerometer as the criterion …

The correlation between objective and self-reported measures of physical activity varies
between studies. We examined this association and whether it differed by demographic …

Background Accurate assessment is required to assess current and changing physical
activity levels, and to evaluate the effectiveness of interventions designed to increase activity …