Study designs of evaluations included in the review
Randomised trials. Other criteria were not specified, but are as described by Kirsch et al. (see Other Publications of Related Interest no.1).
Specific interventions included in the review
CBT including the following:
covert modelling;
imagery and coping suggestions;
self-monitoring and stimulus control and self-reinforcement;
self-monitoring and goal setting and stimulus control;
self-monitoring and goal setting; and
hypnosis.
Participants included in the review
The participants were defined as obese, although this was not clinically defined.
Outcomes assessed in the review
The change in mean weight of the participants was assessed.
How were decisions on the relevance of primary studies made?
The authors do not state how the papers were selected for the review, or how many of the authors performed the selection.