Predictors of dietary change and maintenance in the Women's Health Initiative Dietary Modification Trial
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Authors
Tinker, Lesley F.Rosal, Milagros C.
Young, Anne F.
Perri, Michael G.
Patterson, Ruth E.
Van Horn, Linda
Assaf, Annlouise R.
Bowen, Deborah J.
Ockene, Judith K.
Hays, Jennifer
Wu, Lieling
UMass Chan Affiliations
Department of Medicine, Division of Preventive and Behavioral MedicineDocument Type
Journal ArticlePublication Date
2007-07-01Keywords
Age FactorsAged
Analysis of Variance
Cereals
Diet, Fat-Restricted
Dietary Fats
Educational Status
Energy Intake
Female
Fruit
Health Planning
Health Surveys
Humans
Longitudinal Studies
Middle Aged
Nutritional Sciences
Patient Compliance
Postmenopause
Vegetables
*Women's Health
Life Sciences
Medicine and Health Sciences
Women's Studies
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OBJECTIVE: To identify predictors of dietary change to and maintenance of a low-fat eating pattern (or = 5 servings fruits/vegetables daily, and > or = 6 servings grains daily) among a cohort of postmenopausal women. Candidate predictors included intrapersonal, interpersonal, intervention program characteristics, and clinical center. DESIGN: Longitudinal study within the Women's Health Initiative Dietary Modification Trial. Dietary change was evaluated after 1 year of participation in the Women's Health Initiative Dietary Modification Trial, and dietary maintenance after 3 years. SUBJECTS: Postmenopausal women aged 50 to 79 years at baseline who were randomized to the intervention arm of the Women's Health Initiative Dietary Modification Trial (n=19,541). STATISTICAL ANALYSIS: Univariate and multivariate linear regression analysis was performed and associations evaluated between candidate predictors and each of the three dietary goals: percent energy from fat, fruit/vegetable servings, and grain servings. RESULTS: Year 1 (change) predictors of percent energy from fat (PCONCLUSIONS: The strongest predictors of dietary change and maintenance were attending intervention sessions and self-monitoring dietary intake. Novel was the finding that optimism predicted dietary change.Source
J Am Diet Assoc. 2007 Jul;107(7):1155-66. Link to article on publisher's siteDOI
10.1016/j.jada.2007.04.010Permanent Link to this Item
http://hdl.handle.net/20.500.14038/50920PubMed ID
17604744Related Resources
Link to article in PubMedae974a485f413a2113503eed53cd6c53
10.1016/j.jada.2007.04.010
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