One‐year follow‐up effects of two obesity treatments on psychological well‐being and weight

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Abstract
Objectives. The effectiveness of a cognitive and a behavioural treatment for obese binge eaters and obese non‐binge eaters was evaluated at 1‐year follow‐up. Furthermore, we examined the role of weight changes on psychological well‐being at 1‐year follow‐up.Design and method. Participants were reassessed 6 months and 1 year after they had finished a group cognitive treatment or a group behavioural treatment. The outcome measures were; psychological well‐being (concerns about shape, weight and eating, self‐esteem and depression), binge eating, and weight.Results and conclusions. Analyses on the completers' sample revealed that both treatments had a markedly positive and lasting impact on shape concern, weight concern and eating concern, binge eating, self‐esteem, and depression at 1‐year follow‐up. Cognitive treatment was not superior to behavioural treatment on most outcome measures. This might be due to selective drop‐out. Analyses including non‐responders showed that the cognitive treatment was superior on shape, weight and eating concern, and binge eating. The 1‐year follow‐up results for weight‐loss were disappointing. Between pre‐treatment and 1‐year follow‐up participants in the behaviour treatment lost 3.0 kg, while participants in the cognitive treatment lost 0.3 kg. However, participants who gained weight were as successful on changes in psychological well‐being changes as participants who lost weight.

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