Halo effect of a weight-loss trial on spouses: the DIRECT-Spouse study.

OBJECTIVE We examined the halo effect of a 2-year weight-loss diet trial, the Dietary Intervention Randomized Controlled Trial (DIRECT), on the weight and nutritional patterns of participants' spouses. DESIGN DIRECT participants in a research centre workplace were randomly assigned to one of three diets: Low-fat, Mediterranean or Low-carbohydrate. A… CONTINUE READING

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