Study design and methods for the Breast Cancer and Exercise Trial in Alberta (BETA)

BMC Cancer

Table 3 Data collection schedule for the BETA Trial, Alberta, Canada

Assessments	Time (months)
Assessments	−1 to 0 baseline*	6	12 end of study	24 follow-up
Early screening
Participant Eligibility Questionnaire	x
Questionnaires
Baseline Health	x
Past Year Total Physical Activity Questionnaire	x		x	x
Canadian Diet History Questionnaire	x		x	x
Quality of Life	x		x	x
Predictors of Exercise Adherence	x		x	x
Psychological Stress	x		x	x
Satisfaction with Life, Happiness	x		x	x
Sedentary Behavior (SIT-Q)	x		x	x
Pittsburgh Sleep Quality Index	x		x	x
Participant Satisfaction with Exercise Intervention			x
PAR Med-X ¹	x
Objective measurements
Blood Sample	x	x	x	x
Submaximal Fitness Test	x		x	x
Anthropometry (height, weight, waist/hip circumference)	x		x	x
Accelerometry	x ²	x	x	x
CT Scan³	x		x	x
DXA Scan⁴	x		x	x

*All baseline measurements and questionnaires were completed prior to randomization. The exercise intervention began at baseline (time 0).
¹PAR Med-X: Physical Activity Readiness Medical Examination.
²Step count data were retrieved from the accelerometer devices to assess study eligibility for any participant with a VO_2max determined to be between 34.6 and 37.0 mL/kg/min.
³CT Scan: Computed Tomography Scan.
⁴DXA Scan: Dual Energy X-Ray Absorptiometry Scan.

ISSN: 1471-2407