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Does the type of weight loss diet affect who participates in a behavioral weight loss intervention? A comparison of participants for a plant-based diet versus a standard diet trial.
Appetite 2014; 73:156-62A

Abstract

Studies have found that people following plant-based eating styles, such as vegan or vegetarian diets, often have different demographic characteristics, eating styles, and physical activity (PA) levels than individuals following an omnivorous dietary pattern. There has been no research examining if there are differences in these characteristics among people who are willing to participate in a weight loss intervention using plant-based dietary approaches as compared to a standard reduced calorie approach, which does not exclude food groups. The present study compared baseline characteristics (demographics, dietary intake, eating behaviors (Eating Behavior Inventory), and PA (Paffenbarger Physical Activity Questionnaire)) of participants enrolling in two different 6-month behavioral weight loss studies: the mobile Pounds Off Digitally (mPOD) study, which used a standard reduced calorie dietary approach and the New Dietary Interventions to Enhance the Treatments for weight loss (New DIETs) study, which randomized participants to follow one of five different dietary approaches (vegan, vegetarian, pesco-vegetarian, semi-vegetarian, or omnivorous diets). There were no differences in baseline demographics with the exception of New DIETs participants being older (48.5±8.3years versus 42.9±11.2, P=0.001) and having a higher Body Mass Index (BMI, 35.2±5.3kg/m(2) versus 32.6±4.7kg/m(2), P=0.001) than mPOD participants. In age- and BMI-adjusted models, there were no differences in EBI scores or in any dietary variables, with the exception of vitamin C (85.6±5.9mg/d mPOD versus 63.4±7.4mg/d New DIETs, P=0.02). New DIETs participants reported higher levels of intentional PA/day (180.0±18.1kcal/d) than mPOD participants (108.8±14.4kcal/d, P=0.003), which may have been the result of New DIETs study recommendations to avoid increasing or decreasing PA during the study. The findings of this study demonstrate that using plant-based dietary approaches for weight loss intervention studies does not lead to a population which is significantly different from who enrolls in a standard, behavioral weight loss study using a reduced calorie dietary approach.

Authors+Show Affiliations

Department of Health Promotion, Education, and Behavior, Arnold School of Public Health, University of South Carolina, 915 Greene Street, Room 529, Columbia, SC 29208, USA. Electronic address: brie@sc.edu.Department of Health Promotion, Education, and Behavior, Arnold School of Public Health, University of South Carolina, 915 Greene Street, Room 529, Columbia, SC 29208, USA. Electronic address: davidsoc@email.sc.edu.Department of Exercise Science, Arnold School of Public Health, University of South Carolina, Public Health Research Center, 921 Assembly St., Columbia, SC 29208, USA. Electronic address: wilcoxs@mailbox.sc.edu.

Pub Type(s)

Comparative Study
Journal Article
Randomized Controlled Trial

Language

eng

PubMed ID

24269507

Citation

Turner-McGrievy, Gabrielle M., et al. "Does the Type of Weight Loss Diet Affect Who Participates in a Behavioral Weight Loss Intervention? a Comparison of Participants for a Plant-based Diet Versus a Standard Diet Trial." Appetite, vol. 73, 2014, pp. 156-62.
Turner-McGrievy GM, Davidson CR, Wilcox S. Does the type of weight loss diet affect who participates in a behavioral weight loss intervention? A comparison of participants for a plant-based diet versus a standard diet trial. Appetite. 2014;73:156-62.
Turner-McGrievy, G. M., Davidson, C. R., & Wilcox, S. (2014). Does the type of weight loss diet affect who participates in a behavioral weight loss intervention? A comparison of participants for a plant-based diet versus a standard diet trial. Appetite, 73, pp. 156-62. doi:10.1016/j.appet.2013.11.008.
Turner-McGrievy GM, Davidson CR, Wilcox S. Does the Type of Weight Loss Diet Affect Who Participates in a Behavioral Weight Loss Intervention? a Comparison of Participants for a Plant-based Diet Versus a Standard Diet Trial. Appetite. 2014;73:156-62. PubMed PMID: 24269507.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Does the type of weight loss diet affect who participates in a behavioral weight loss intervention? A comparison of participants for a plant-based diet versus a standard diet trial. AU - Turner-McGrievy,Gabrielle M, AU - Davidson,Charis R, AU - Wilcox,Sara, Y1 - 2013/11/20/ PY - 2013/07/29/received PY - 2013/10/31/revised PY - 2013/11/08/accepted PY - 2013/11/26/entrez PY - 2013/11/26/pubmed PY - 2014/7/30/medline KW - Diet KW - EBI KW - Eating Behaviors Inventory KW - Eating behavior KW - New DIETs KW - New Dietary Interventions to Enhance the Treatments for Weight Loss study KW - PA KW - TBP KW - Vegetarian KW - Weight loss KW - mHealth KW - mPOD KW - mobile Pounds Off Digitally study KW - physical activity KW - theory-based podcast SP - 156 EP - 62 JF - Appetite JO - Appetite VL - 73 N2 - Studies have found that people following plant-based eating styles, such as vegan or vegetarian diets, often have different demographic characteristics, eating styles, and physical activity (PA) levels than individuals following an omnivorous dietary pattern. There has been no research examining if there are differences in these characteristics among people who are willing to participate in a weight loss intervention using plant-based dietary approaches as compared to a standard reduced calorie approach, which does not exclude food groups. The present study compared baseline characteristics (demographics, dietary intake, eating behaviors (Eating Behavior Inventory), and PA (Paffenbarger Physical Activity Questionnaire)) of participants enrolling in two different 6-month behavioral weight loss studies: the mobile Pounds Off Digitally (mPOD) study, which used a standard reduced calorie dietary approach and the New Dietary Interventions to Enhance the Treatments for weight loss (New DIETs) study, which randomized participants to follow one of five different dietary approaches (vegan, vegetarian, pesco-vegetarian, semi-vegetarian, or omnivorous diets). There were no differences in baseline demographics with the exception of New DIETs participants being older (48.5±8.3years versus 42.9±11.2, P=0.001) and having a higher Body Mass Index (BMI, 35.2±5.3kg/m(2) versus 32.6±4.7kg/m(2), P=0.001) than mPOD participants. In age- and BMI-adjusted models, there were no differences in EBI scores or in any dietary variables, with the exception of vitamin C (85.6±5.9mg/d mPOD versus 63.4±7.4mg/d New DIETs, P=0.02). New DIETs participants reported higher levels of intentional PA/day (180.0±18.1kcal/d) than mPOD participants (108.8±14.4kcal/d, P=0.003), which may have been the result of New DIETs study recommendations to avoid increasing or decreasing PA during the study. The findings of this study demonstrate that using plant-based dietary approaches for weight loss intervention studies does not lead to a population which is significantly different from who enrolls in a standard, behavioral weight loss study using a reduced calorie dietary approach. SN - 1095-8304 UR - https://www.unboundmedicine.com/medline/citation/24269507/Does_the_type_of_weight_loss_diet_affect_who_participates_in_a_behavioral_weight_loss_intervention_A_comparison_of_participants_for_a_plant_based_diet_versus_a_standard_diet_trial_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0195-6663(13)00453-4 DB - PRIME DP - Unbound Medicine ER -