Furthermore, the samples taken for the fresh/dry- weight conversion factor were debarked and both compartments (wood and bark), were separately weighed (using the scale described above).
Evaluation of the results was performed using the scale described by Stepanovic et al. (2007).
The recorder listened to the discussion and judged whether the child understood the item using the scale described below.
Clinical condition was evaluated by other of the authors also blinded for patient allocation group, by using the scale described by Fahey et al. [ 11].
Throughout the recording period an observer was present, and scored seizure behavior using the scale described in Monory et al. (2006).
Age, gender, body mass index (BMI), resting HR, IQ, and physical activity (assessed using the scale described by Ehlers & Breuer, 1992) have also previously been associated with heartbeat perception accuracy, so these details were additionally measured and entered as covariates.
Age, gender, anti-depressant medication status, body mass index (BMI), resting HR, IQ, and physical activity (assessed using the scale described by Ehlers & Breuer, 1992) have also been associated with heartbeat perception accuracy, so these details were additionally measured.
At level 1 student level we used the scales described earlier and derived from the student questionnaire; at level 2 school level we used variables from both the teacher and school questionnaires described above.
We used the scales described above as the outcomes of interest to examine whether possible selective response had biased the prevalence estimates of the health problems at wave 3.
