title: The feasibility of the Prostate cancer: Evidence of Exercise and Nutrition Trial (PrEvENT) dietary and physical activity modifications: a qualitative study.
abstract: There is increasing evidence that low levels of physical activity and diets low in fruit and vegetables and high in meat and dairy products are risk factors for prostate cancer disease progression. The Prostate cancer: Evidence of Exercise and Nutrition Trial (PrEvENT) aimed to assess a diet and physical activity intervention in men undergoing radical prostatectomy for localized prostate cancer. The trial included a qualitative component to explore the experiences of men participating in the trial in order to understand the acceptability of the intervention and data collection methods. We report the qualitative findings of the trial and consider how these can be used to inform future research.
  
  
  
  PrEvENT involved randomizing men to either a dietary and/or physical activity intervention. Semi-structured interviews were conducted with a purposive sample of 17 men on completion of the 6 month trial. Interviews took place in clinic or as telephone interviews, if requested by the participant, and were audio recorded, transcribed, and analyzed using the thematic-based framework approach. Analysis was conducted throughout the data collection process to allow emergent themes to be further explored in subsequent interviews.
  
  
  
  Three overarching themes were identified: acceptability of the intervention, acceptability of the data collection methods and trial logistics. Participants were predominantly positive about both the dietary and physical activity interventions and most men found the methods of data collection appropriate. Recommendations for future trials include consideration of alternative physical activity options, such as cycling or gym sessions, increased information on portion sizes, the potential importance of including wives or partners in the dietary change process and the possibility of using the pedometer or other wearable technology as part of the physical activity intervention.
  
  
  
  We provide insight into the opinions and experiences of the acceptability of the PrEvENT diet and physical activity intervention from the participants themselves. The interventions delivered were acceptable to this sample of participants, as were the data collection methods utilized. We also highlight some considerations for further behavioural change interventions in prostate cancer and other similar populations.
  
  
  
  ISRCTN, ISRCTN99048944 . Registered on 17 November 2014.
authors.affiliation: University of Bristol, Bristol, UK. ellie.shingler@bristol.ac.uk.
authors.forename: Ellie
authors.identifier: 0000-0002-7332-5362
authors.initials: E
authors.lastname: Shingler
authors.affiliation: University of Bristol, Bristol, UK.
authors.forename: Lucy
authors.initials: L
authors.lastname: Hackshaw-McGeagh
authors.affiliation: University of Bristol, Bristol, UK.
authors.forename: Luke
authors.initials: L
authors.lastname: Robles
authors.affiliation: Bristol Urological Institute, Bristol, UK.
authors.forename: Raj
authors.initials: R
authors.lastname: Persad
authors.affiliation: Bristol Urological Institute, Bristol, UK.
authors.forename: Anthony
authors.initials: A
authors.lastname: Koupparis
authors.affiliation: Bristol Urological Institute, Bristol, UK.
authors.forename: Edward
authors.initials: E
authors.lastname: Rowe
authors.affiliation: North Bristol NHS Trust, Bristol, UK.
authors.forename: Constance
authors.initials: C
authors.lastname: Shiridzinomwa
authors.affiliation: Bristol Haematology & Oncology Centre, Bristol, UK.
authors.forename: Amit
authors.initials: A
authors.lastname: Bahl
authors.affiliation: University of Bristol, Bristol, UK.
authors.forename: Richard M
authors.initials: RM
authors.lastname: Martin
authors.affiliation: University of Bristol, Bristol, UK.
authors.forename: J Athene
authors.initials: JA
authors.lastname: Lane
mesh_terms: D000368:Aged; D003625:Data Collection; D004032:Diet / Q000009:adverse effects; D000072001:Diet, Healthy; D015444:Exercise; D005240:Feasibility Studies; D006801:Humans; D007407:Interviews as Topic; D008297:Male; D008875:Middle Aged; D010342:Patient Acceptance of Health Care; D057240:Patient Preference; D011468:Prostatectomy; D011471:Prostatic Neoplasms / Q000209:etiology / Q000473:pathology / Q000628:therapy*; D065840:Protective Factors; D036301:Qualitative Research; D012107:Research Design; D012307:Risk Factors; D040242:Risk Reduction Behavior; D057185:Sedentary Behavior; D013997:Time Factors; D016896:Treatment Outcome
keywords: Feasibility; Framework analysis; Nutrition; Physical activity; Prostate cancer; Qualitative research