Response to a novel, weight self-awareness plan used in a multi-component lifestyle intervention programme to reduce breast cancer risk factors in older women – secondary analysis from The ActWELL trial

Suzanne M.M. Zaremba, Martine Stead, Jennifer McKell, Ronan E. O’Carroll, Nanette Mutrie, Shaun Treweek, Annie S. Anderson* (Corresponding Author)

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Background: The ActWELL RCT assessed the effectiveness of a weight management programme delivered by volunteer lifestyle coaches (LC) in women attending breast clinics. The intervention focused on caloric intake and physical activity, utilising behavioural change techniques including a weight awareness plan (WAP). The current work is a secondary analysis of the ActWELL data and aims to examine the response to the weight self-awareness plan (used as part of the intervention programme).
Methodology The LCs invited participants (n=279) to undertake an implementation intention discussion to formulate a self-weighing (SW) plan. Bodyweight scales were offered, and recording books provided. The PA intervention focused on a walking plan assessed by accelerometers. The LCs contacted participants by telephone monthly and provided personalised feedback. Mann-Whitney tests and chi-squared analysis were used to examine the effect of SW on weight change. A qualitative evaluation utilising semi-structured interviews was also undertaken.

Results: Most participants (96.4%) agreed to set a weekly SW goal and 76 (27%) requested scales. At 12 months, 226 (81%) returned for follow up. The median (IQR) weight change for those who self- reported at least one weight (n=211) was -2.3kg (-5.0, 0.0) compared to -1.2kg (-5.0, 0.03) in those who did not (n=14). Participants who reported weights on >8 occasions (39%) were significantly more likely (p=0.012) to achieve 5% weight loss compared to those who weighed less often. Low numbers of accelerometers were returned which did not allow for significance testing. Qualitative data (n=24) indicated that many participants found the WAP helpful and motivating.
Principal Conclusion: Greater adherence to the WAP initiated by volunteer coaches is associated with achieving 5% weight loss.
Original languageEnglish
JournalJournal of Human Nutrition and Dietetics
Early online date14 Jul 2022
DOIs
Publication statusE-pub ahead of print - 14 Jul 2022

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