J Wardle

Dr J Wardle, University College London, London, UK; j.wardle@ucl.ac.uk

STUDY DESIGN

Design:

randomised controlled trial.

Allocation:

unclear.*

Blinding:

{unblinded.}†*

STUDY QUESTION

Setting:

{London, UK.}†

Patients:

104 participants >18 years of age (mean age 40 y, 66% women) who were overweight or obese (body mass index >25 kg/m²).

Intervention:

a habit-based weight-control intervention with weekly (n = 36) or monthly weighing (n = 33), or waiting list (n = 35). Participants in the weight-control groups were simply given a leaflet (“10 top tips for weight loss”) that listed activity behaviours associated with negative energy balance, recommendations for eating, and advice on habit formation; and contained a daily self-monitoring checklist …