Sentence examples for accuracy of physical activity from inspiring English sources
Receiver-operator characteristic curves (ROC) can be constructed to evaluate the accuracy of physical activity assessment methods.
There is some debate in the research literature relating to the accuracy of self-report measures of physical activity, and that accelerometers provide a more objective and valid measure [ 45].
An indicator of study quality was created where one point was assigned to studies for evaluation of physical activity instrument accuracy (i.e., instrument has been assessed for reliability or validity), and one point for quantification of physical activity (measured levels including that based on self report vs qualitative description such as active vs inactive).
Besides, sedentary adults may not be able to accurately recall the intensity of physical activity, casting doubt on the accuracy with which it can be measured [ 22].
The GT3X+ is a small, durable and water-resistant device worn on an elastic belt that records the frequency, duration and intensity of physical activity with a high level of accuracy and precision.
In a comprehensive review of physical activity instruments, it was concluded that the accuracy of interviewer-administered questionnaires tends to be greater than for self-administered questionnaires [ 49].
Second, we did not measure the association of physical activity with incident diabetes because our instruments used for assessing physical activity suffered from lack of accuracy as do any questionnaire used in epidemiological studies [ 28].
