Journal of the Academy of Nutrition and Dietetics最新文献

{"title":"Self-Reported Weekend Temporal Eating Patterns of American Adults Differ From Weekday: National Health and Nutrition Examination Surveys: 2015–2020 Prepandemic","authors":"Ashima K. Kant PhD, RDN ,&nbsp;Barry I. Graubard PhD","doi":"10.1016/j.jand.2024.07.158","DOIUrl":"10.1016/j.jand.2024.07.158","url":null,"abstract":"<div><h3>Background</h3><div>Weekend–weekday differences in time of ingestive events may be implicated in adverse metabolic and health outcomes. However, little is known about the nature of weekend–weekday differences in temporal eating behaviors of the US adult population.</div></div><div><h3>Objective</h3><div>The study aimed to examine weekend–weekday differences in temporal and energy characteristics of ingestive events self-reported by American adults.</div></div><div><h3>Design</h3><div>Observational; within-person comparative.</div></div><div><h3>Participants/Setting</h3><div>The data were from the National Health and Nutrition Examination Surveys (NHANES) 2015–March 2020 (pre-pandemic) for ≥20-year-old adults who provided 1 weekday (M–Th) and 1 weekend (F, S, Su) 24-h dietary recall (n = 3564 men and 3823 women).</div></div><div><h3>Main Outcome Measures</h3><div>Prespecified primary temporal outcomes were recalled: time of ingestive events, and the duration of ingestive and fasting windows. Secondary outcomes included frequency and energy characteristics of ingestive events.</div></div><div><h3>Statistical Analysis Performed</h3><div>Gender-specific, survey-weighted, multiple linear regression models that accounted for complex survey design with dummy covariates for weekend/weekday, mode of recall administration (in-person on day 1 and telephone on day 2), and a respondent-specific fixed intercept.</div></div><div><h3>Results</h3><div>In both men and women, the weekend recalled time of first ingestive event, breakfast, and lunch were later than weekday (<em>P</em> ≤ .0008); however, no statistically significant differences were observed in time of dinner and the last eating episode. The mean weekend ingestive window (interval between the time of first and last eating events of the day) was shorter by 24 minutes (95% confidence interval [CI], –32, –11) in men and 18 minutes (95% CI, –20, –15) in women, and the mean overnight fasting window was correspondingly longer (<em>P</em> ≤ .0001). No statistically significant differences were observed between weekend and weekday frequency of ingestive events. Energy density of weekend food selections reported by women, and of beverages by men, was found to be higher than weekday (<em>P</em> ≤ .002).</div></div><div><h3>Conclusions</h3><div>Weekend ingestive patterns were characterized by later time of first ingestive event, breakfast, and lunch, and selection of higher-energy-density foods and beverages.</div></div>","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 2","pages":"Pages 188-203.e10"},"PeriodicalIF":3.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141733060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Graduate Degree Requirement: Unclear If it is a Necessary Step in Our Profession’s Evolution","authors":"Michele A. DeBiasse PhD, RDN, LDN,&nbsp;Kate Gardner Burt PhD, RDN","doi":"10.1016/j.jand.2024.10.008","DOIUrl":"10.1016/j.jand.2024.10.008","url":null,"abstract":"","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 2","pages":"Page 151"},"PeriodicalIF":3.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142454997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"What's New Online","authors":"","doi":"10.1016/S2212-2672(24)01012-8","DOIUrl":"10.1016/S2212-2672(24)01012-8","url":null,"abstract":"","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 2","pages":"Page 147"},"PeriodicalIF":3.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143144936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Are People Consuming the Diets They Say They Are? Self-Reported vs Estimated Adherence to Low-Carbohydrate and Low-Fat Diets: National Health and Nutrition Examination Survey, 2007-2018","authors":"Corina Kowalski BS ,&nbsp;Dakota Dustin ,&nbsp;Alaa Ilayan MS, RD ,&nbsp;LuAnn K. Johnson MS ,&nbsp;Martha A. Belury PhD, RD ,&nbsp;Zach Conrad PhD, MPH","doi":"10.1016/j.jand.2024.07.006","DOIUrl":"10.1016/j.jand.2024.07.006","url":null,"abstract":"<div><h3>Background</h3><div>Mischaracterization of dietary intake by patients and study participants is a common problem that presents challenges to clinical and public health approaches to improve diet quality, identify healthy eating patterns, and reduce the risk of chronic disease.</div></div><div><h3>Objective</h3><div>This study examined participants’ self-reported adherence to low-carbohydrate and low-fat diets compared with their estimated adherence using up to 2 24-hour recalls.</div></div><div><h3>Design</h3><div>This cross-sectional study acquired data on dietary intake from respondents in the National Health and Nutrition Examination Survey, 2007-2018.</div></div><div><h3>Participants/setting</h3><div>This study included 30 219 respondents aged 20 years and older who had complete and reliable dietary data and were not pregnant or breastfeeding.</div></div><div><h3>Main outcome measures</h3><div>The main outcome was prevalence of self-reported and estimated adherence to low-carbohydrate or low-fat diet patterns.</div></div><div><h3>Statistical analyses performed</h3><div>Self-reported adherence to low-carbohydrate or low-fat diets was evaluated using responses to questionnaires. Estimated adherence to these diets was assessed using data from up to 2 24-hour recalls and usual intake methodology developed by the National Cancer Institute.</div></div><div><h3>Results</h3><div>Of the 1.4% of participants who reported following a low-carbohydrate diet, estimated adherence (&lt;26% energy from carbohydrates) using 24-hour recalls was 4.1%, whereas estimated adherence among those that did not report following a low-carbohydrate diet was &lt;1% (<em>P</em> value for difference = .014). Of the 2.0% of participants who reported following a low-fat diet, estimated adherence (&lt;30% energy from fat) was 23.0%, whereas estimated adherence among those who did not report following a low-fat diet was 17.8% (<em>P</em> value for difference = .048).</div></div><div><h3>Conclusions</h3><div>This research demonstrates that most individuals mischaracterized their diet pattern when compared with up to 2 24-hour recalls. These findings emphasize the need for clinicians and public health professionals to be cautious when interpreting individuals’ self-reported diet patterns, and should aim to collect more detailed dietary data when possible.</div></div>","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 2","pages":"Pages 239-246.e1"},"PeriodicalIF":3.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141603083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Tenets for Increasing Access to Nutrition Care Delivered Via Telehealth: Recommendations from the Academy of Nutrition and Dietetics Telehealth Task Force","authors":"Hannah Martin MPH, RDN ,&nbsp;Marsha Schofield MS, RD, LD, FAND ,&nbsp;Elizabeth Yakes Jimenez PhD, RDN","doi":"10.1016/j.jand.2024.09.008","DOIUrl":"10.1016/j.jand.2024.09.008","url":null,"abstract":"<div><div>The Academy of Nutrition and Dietetics’ Telehealth Task Force was charged with developing a telehealth policy stance to guide the work of the Academy. The task force comprised representatives from diverse areas of telehealth practice, including research, practice, payment, and licensure. They convened in 2020–2021 to conduct an environmental scan and develop a recommended stance on telehealth policy. The tenets of the resulting telehealth stance are (1) Nutrition care services are critical to comprehensive health care delivery systems and should be covered when provided via telehealth under the same coverage and payment policies as in-person care; (2) Patients should have coverage for telehealth delivered via audio only if they cannot effectively access or use audio-visual technologies; (3) In declared emergency situations when access to qualified providers is otherwise severely impacted, the modification of certain consumer protection policies, such as licensure and Health Insurance Portability and Accountability Act requirements, may be appropriate; (4) Public funding and support for broadband internet, technology, digital literacy education, and language services are necessary to address racial, economic, and geographic health disparities and to address disabilities; and (5) Publicly funded research on telehealth should be nationally representative and include a wide variety of services and providers, including nutrition care services provided by registered dietitian nutritionists and nutrition and dietetic technicians, registered. The telehealth policy stance was formally adopted by the Academy in April 2021.</div></div>","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 2","pages":"Pages 256-268"},"PeriodicalIF":3.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142338561","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Measured and Predicted Resting Metabolic Rate of Dutch and Norwegian Paralympic Athletes","authors":"Vera C.R. Weijer MSc ,&nbsp;Kristin L. Jonvik PhD ,&nbsp;Lotte van Dam MSc ,&nbsp;Linn Risvang MSc ,&nbsp;Truls Raastad PhD ,&nbsp;Luc J.C. van Loon PhD ,&nbsp;Jan-Willem van Dijk PhD","doi":"10.1016/j.jand.2024.05.010","DOIUrl":"10.1016/j.jand.2024.05.010","url":null,"abstract":"<div><h3>Background</h3><div>Although resting metabolic rate (RMR) is crucial for understanding athletes’ energy requirements, limited information is available on the RMR of Paralympic athletes.</div></div><div><h3>Objective</h3><div>The aim of this study was to determine RMR and its predictors in a diverse cohort of Paralympic athletes and evaluate the agreement between measured and predicted RMR from both newly developed and pre-existing equations.</div></div><div><h3>Design</h3><div>This cross-sectional study, conducted between September 2020 and September 2022 in the Netherlands and Norway, assessed RMR in Paralympic athletes by means of ventilated hood indirect calorimetry and body composition by means of dual-energy x-ray absorptiometry.</div></div><div><h3>Participants</h3><div>Sixty-seven Paralympic athletes (male: n = 37; female: n = 30) competing in various sports, with a spinal cord disorder (n = 22), neurologic condition (n = 8), limb deficiency (n = 18), visual or hearing impairment (n = 7), or other disability (n = 12) participated.</div></div><div><h3>Main outcome measures</h3><div>RMR, fat-free mass (FFM), body mass, and triiodothyronine (T3) concentrations were assessed.</div></div><div><h3>Statistical analyses</h3><div>Multiple regression analyses were conducted with height, FFM, body mass, sex, T3 concentration, and disabilities as potential predictors of RMR. Differences between measured and predicted RMRs were analyzed for individual accuracy, root mean square error, and intraclass correlation.</div></div><div><h3>Results</h3><div>Mean ± SD RMR was 1386 ± 258 kcal/d for females and 1686 ± 302 kcal/d for males. Regression analysis identified FFM, T3 concentrations, and the presence of a spinal cord disorder, as the main predictors of RMR (adjusted <em>R</em>² = 0.71; <em>F</em> = 50.3; <em>P</em> &lt; .001). The novel prediction equations based on these data, as well as pre-existing equations of Chun and colleagues and Nightingale and Gorgey performed well on accuracy (&gt;60% of participants within 10% of measured RMR), had good reliability (intraclass correlation &gt;0.78), and low root mean square error (≤141 kcal).</div></div><div><h3>Conclusions</h3><div>FFM, total T3 concentrations, and presence of spinal cord disorder are the main predictors of RMR in Paralympic athletes. Both the current study’s prediction equations and those from Chun and colleagues and Nightingale and Gorgey align well with measured RMR, offering accurate prediction equations for the RMR of Paralympic athletes.</div></div>","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 2","pages":"Pages 217-227.e5"},"PeriodicalIF":3.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141064771","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Vegetarian Diets During Pregnancy: With Supplementation, Ovo-Vegetarian, Lacto-Vegetarian, Vegan, and Pescatarian Adaptations of US Department of Agriculture Food Patterns Can Be Nutritionally Adequate","authors":"Julie M. Hess PhD ,&nbsp;Madeline E. Comeau MS ,&nbsp;Jane Lankes Smith PhD ,&nbsp;Kylie Swanson ,&nbsp;Cindy M. Anderson PhD","doi":"10.1016/j.jand.2024.08.001","DOIUrl":"10.1016/j.jand.2024.08.001","url":null,"abstract":"<div><h3>Background</h3><div>The 2020-2025 Dietary Guidelines for Americans (DGA) includes a lacto-ovo vegetarian pattern (the healthy vegetarian dietary pattern [HVDP]) as a recommended dietary pattern during pregnancy.</div></div><div><h3>Objective</h3><div>To adapt the HVDP for vegan, ovo-vegetarian, lacto-vegetarian, and pescatarian diets during pregnancy.</div></div><div><h3>Design</h3><div>Using food pattern modeling, 4 adaptations of the HVDP were developed at energy levels that may be appropriate during pregnancy (1800, 2000, 2200, 2400, and 2600 kcal/day). Models were run both with and without the addition of a composite prenatal supplement.</div></div><div><h3>Main outcome measures</h3><div>Main outcome measures were macro- and micronutrient adequacy without exceeding recommendations for saturated fat and added sugar.</div></div><div><h3>Statistical analysis performed</h3><div>The 2020-2025 DGA Food Pattern Modeling Report was used to define food groups and nutrients in the HVDP. The HVDP was revised to remove dairy and/or eggs or to add seafood.</div></div><div><h3>Results</h3><div>Across all examined energy levels (1800, 2000, 2200, 2400, and 2600 kcal per day), modeled dietary patterns provided sufficient macronutrients. Without prenatal supplements, each dietary pattern met most, but not all, micronutrient recommendations. Micronutrients that were below recommendations in patterns without supplements included vitamin D, iron, vitamin E, sodium, and choline. With the addition of a composite prenatal supplement to these patterns, the nutrients below 100% of recommendations were vitamin D, choline, and sodium.</div></div><div><h3>Conclusions</h3><div>Overall, these results show that a HVDP and similar diets without meat, eggs, dairy, and/or seafood can provide most nutrients needed during pregnancy, albeit with some micronutrient challenges similar to those diets that include meat and other animal products.</div></div>","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 2","pages":"Pages 204-216.e17"},"PeriodicalIF":3.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141970280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"February 2025 New in Review","authors":"","doi":"10.1016/j.jand.2024.12.005","DOIUrl":"10.1016/j.jand.2024.12.005","url":null,"abstract":"","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 2","pages":"Pages 273-275, 276-278"},"PeriodicalIF":3.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143145410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Relationship Between Fruit Drink Front-of-Package Claims, Fruit Imagery, and Ingredient Disclosures and Consumer Perceptions, Intentions, and Behavior: A Systematic Review.","authors":"Aviva A Musicus, Melissa L Jensen, Carol Mita, Diana R H Winters, Michael T Roberts, Sally Mancini, Jennifer L Harris, Frances Fleming-Milici, James W Krieger","doi":"10.1016/j.jand.2025.01.017","DOIUrl":"10.1016/j.jand.2025.01.017","url":null,"abstract":"<p><strong>Background: </strong>Fruit drinks are the top source of added sugar in young children's diets, increasing their risk of chronic disease. It is unclear to what extent front-of-package marketing and disclosures influence parents' perceptions of fruit drinks and their intentions and decisions to purchase them. These data are needed to inform regulatory and legal action to reduce potentially misleading marketing and help parents make healthier choices for their children.</p><p><strong>Objective: </strong>This systematic review investigated the relationship between fruit drink front-of-package claims (nutrient, natural/implied-natural, or health-related), fruit imagery, and ingredient disclosures (sugar, nonnutritive sweeteners, and juice content) and consumer perceptions, intentions, and behavior.</p><p><strong>Methods: </strong>A comprehensive search was used to identify peer-reviewed, original quantitative, and/or qualitative research published any time using the following databases: PubMed, Embase, PsycInfo, CAB Abstracts, Web of Science Core Collection, and Business Source Complete. Searches were conducted during May 2022 and January 2023. Risk of bias was assessed using the Quality Assessment Tool for Quantitative Studies and the Critical Appraisal Skills Programme checklist for qualitative studies. Articles were grouped by exposure and narratively synthesized.</p><p><strong>Results: </strong>Sixteen articles met inclusion criteria. Reviewed studies found that natural claims-and, to some extent, nutrient claims and fruit imagery-are associated with increased selection, purchase intentions, perceived healthfulness, and appeal of fruit drinks; as well as increased misunderstandings of fruit drink juice content (overestimation) and added sugars content (underestimation). Ingredient disclosures-including percent-juice content and presence of added sweeteners-may help correct misperceptions about product healthfulness.</p><p><strong>Conclusions: </strong>Front-of-package claims and imagery can increase healthfulness misperceptions and selection of fruit drinks, and ingredient disclosures could partially correct those misperceptions. The US Food and Drug Administration should consider updating fruit drink front-of-package marketing regulations. More high-quality randomized experiments would be useful to inform federal and legal action to support parents in selecting healthier beverages for their children.</p>","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":" ","pages":""},"PeriodicalIF":3.5,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143078370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Electronic Survey Methodology for Data Collection and Analysis in Nutrition and Dietetics Research","authors":"Judith A. Beto PhD, RDN, FAND ,&nbsp;Phillip Gleason PhD ,&nbsp;Jeffrey E. Harris DrPH, RDN, LDN, FAND ,&nbsp;Elizabeth Metallinos-Katsaras PhD, RD","doi":"10.1016/j.jand.2025.01.016","DOIUrl":"10.1016/j.jand.2025.01.016","url":null,"abstract":"<div><h3>Background</h3><div>This article is part of a series of articles in the <em>Journal of the Academy of Nutrition and Dietetics</em> exploring the importance of research design, epidemiological methods, and statistical analysis as applied to nutrition and dietetics research. The purpose of this ongoing statistical portfolio is to assist Registered Dietitian Nutritionists (RDN) and Nutrition and Dietetic Technicians, Registered (NDTR) in interpreting nutrition research and applying scientific principles to produce high-quality data analysis. Advances in technology are promoting faster, easier, and often more diverse data collection and analysis. Consumers and practitioners alike are rapidly adopting electronic communication preferences (ie, telehealth, mobile applications, social media). This article, which accompanies the companion article on basic survey research, is an overview of electronic internet-mediated survey methodology for data collection and analysis in nutrition and dietetics research. Its purpose is to highlight the unique requirements in electronic planning and administration for surveys that builds on basic survey principles. This includes the effect of internet-mediated data methodology on an array of research parameters, including evaluation of software functions for the investigator and survey navigation issues for the participant. A Checklist for Reporting Electronic Survey Statistics (CRESS) is provided as a guide for data dissemination in nutrition and dietetics research.</div></div>","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 5","pages":"Pages 603-614"},"PeriodicalIF":3.5,"publicationDate":"2025-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143073369","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}