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dc.contributor.authorGolan, Rachel
dc.contributor.authorSchwarzfuchs, Dan
dc.contributor.authorStampfer, Meir
dc.contributor.authorShai, Iris
dc.date.accessioned2019-09-05T18:09:09Z
dc.date.issued2010
dc.identifier.citationGolan, Rachel, Dan Schwarzfuchs, Meir J Stampfer, and Iris Shai. 2009. “Halo Effect of a Weight-Loss Trial on Spouses: The DIRECT-Spouse Study.” Public Health Nutrition 13 (4): 544–49. https://doi.org/10.1017/s1368980009991273.
dc.identifier.issn1368-9800
dc.identifier.issn1475-2727
dc.identifier.urihttp://nrs.harvard.edu/urn-3:HUL.InstRepos:41292570*
dc.description.abstractObjective: 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 sample of wives of the DIRECT participants, who attended support update meetings specific to their husband's diet during the first 6 months, were followed for 2 years. Setting: South Israel.Subjects: Seventy-four women (mean age = 51 years, mean BMI =26.6 kg/m(2)). Results: Among the wives of husbands randomised to the Low-fat, Mediterranean and Low-carbohydrate diet, self-reported weight change was respectively -1.48 kg, -2.30 kg and -4.62 kg after 6 months, and +0.39 kg, -3.00 kg and -2.30 kg after 2 years. Weight loss among wives whose husbands were in the alternative diet groups combined (Mediterranean + Low-carbohydrate) was significantly greater than among wives whose husbands were in the Low-fat group after 6 months (P = 0.031) and 2 years (P = 0.034). Overweight wives experienced more weight loss. The weight change of couples was significantly correlated (r = 0.42, P < 0.001). Across all dietary groups, wives had significant improvement in their dietary patterns in all food groups according to their husbands' diets, mainly by a larger significant decrease in carbohydrate consumption in the Low-carbohydrate group (P = 0.013 compared to Low-fat). Six-month weight change among the seventy-four DIRECT participants whose wives took part in the group support sessions was -5.2 kg, compared to -3.5 kg among the 248 DIRECT participants whose wives did not take part in these sessions (P = 0.020). Conclusions: Focusing on the couple as a unit could provide a cost-effective approach to weight-loss programmes.
dc.language.isoen_US
dc.publisherCambridge University Press
dash.licenseLAA
dc.titleHalo effect of a weight-loss trial on spouses: the DIRECT-Spouse study
dc.typeJournal Article
dc.description.versionVersion of Record
dc.relation.journalPublic Health Nutrition
dash.depositing.authorStampfer, Meir
dc.date.available2019-09-05T18:09:09Z
dash.workflow.comments1Science Serial ID 84539
dc.identifier.doi10.1017/S1368980009991273
dash.source.volume13;4
dash.source.page544
dash.contributor.affiliatedStampfer, Meir


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