Table 1 Pre-EMpT data collection

 Eligibility screen

x

 Randomisation consent

x

 Informed consent

x

 Interview consent

x

 Demographic data

x

x

x

x

 Family medical history

x

x

x

x

 Height (cm)

x

 Weight (kg)

x

x

x

 Blood sample

x

(x)

x

 Leisure time physical activity [28]

x

x

x

x

 Urinary symptoms [29]

x

x

x

x

x

 Psychological factors [30, 31]

x

x

x

x

 Patient function and bother [32]

x

x

x

x

 Health beliefs [adapted from [33, 34]

x

x

x

x

 Quality of life measures [35]

x

x

x

x

 Cancer-related fatigue [36, 37]

x

x

x

x

x

 Lifestyle behaviours (drinking and smoking)

x

x

x

x

 Prostate tissue

[x]

 Step count (pedometer)

x

x

x

x

 Physical activity intensity/step count (Garmin)

x

x

x

 Metformin tablet count

x

x

x

 Qualitative interview

x