Journal of the Academy of Nutrition and Dietetics最新文献

{"title":"January 2025 New in Review","authors":"","doi":"10.1016/j.jand.2024.11.008","DOIUrl":"10.1016/j.jand.2024.11.008","url":null,"abstract":"","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 1","pages":"Pages 133-138"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143180442","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":"Compensation and Benefits Survey of the Dietetics Profession: 2024 Executive Summary","authors":"Erik Dosedel","doi":"10.1016/j.jand.2024.10.017","DOIUrl":"10.1016/j.jand.2024.10.017","url":null,"abstract":"","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 1","pages":"Pages 109-124"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142862848","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":"Dietary Fiber Intake and Risk of Advanced and Aggressive Forms of Prostate Cancer: A Pooled Analysis of 15 Prospective Cohort Studies","authors":"Elkhansa Sidahmed PhD ,&nbsp;Stephen J. Freedland MD ,&nbsp;Molin Wang PhD ,&nbsp;Kana Wu MD, PhD ,&nbsp;Demetrius Albanes MD ,&nbsp;Matt Barnett MS ,&nbsp;Piet A. van den Brandt PhD ,&nbsp;Michael B. Cook PhD ,&nbsp;Graham G. Giles PhD ,&nbsp;Edward Giovannucci MD, ScD ,&nbsp;Christopher A. Haiman ScD ,&nbsp;Susanna C. Larsson PhD ,&nbsp;Timothy J. Key DPhil ,&nbsp;Erikka Loftfield PhD ,&nbsp;Satu Männistö PhD ,&nbsp;Marjorie L. McCullough ScD ,&nbsp;Roger L. Milne PhD ,&nbsp;Marian L. Neuhouser PhD ,&nbsp;Elizabeth A. Platz ScD ,&nbsp;Aurora Perez-Cornago PhD ,&nbsp;Stephanie A. Smith-Warner PhD","doi":"10.1016/j.jand.2024.04.006","DOIUrl":"10.1016/j.jand.2024.04.006","url":null,"abstract":"<div><h3>Background</h3><div>Evidence of an association between dietary fiber intake and risk of advanced and aggressive forms of prostate cancer (PC) and PC mortality is limited.</div></div><div><h3>Objective</h3><div>The aim of this study was to examine associations between intakes of dietary fiber overall and by food source and risk of advanced and aggressive forms of PC.</div></div><div><h3>Design</h3><div>The study design was a pooled analysis of the primary data from 15 cohorts in 3 continents. Baseline dietary fiber intake was assessed using a validated food frequency questionnaire or diet history in each study.</div></div><div><h3>Participants/setting</h3><div>There were 842 149 men followed for up to 9 to 22 years between 1985 and 2009 across studies.</div></div><div><h3>Main outcome measures</h3><div>The primary outcome measures were advanced (stage T4, N1, or M1 or PC mortality), advanced restricted (excluded men with missing stage and those with localized PC who died of PC), and high-grade PC (Gleason score ≥8 or poorly differentiated/undifferentiated) and PC mortality.</div></div><div><h3>Statistical analysis performed</h3><div>Study-specific multivariable hazard ratios (MVHR) were calculated using Cox proportional hazards regression and pooled using random effects models.</div></div><div><h3>Results</h3><div>Intake of dietary fiber overall, from fruits, and from vegetables was not associated with risk of advanced (n = 4863), advanced restricted (n = 2978), or high-grade PC (n = 9673) or PC mortality (n = 3097). Dietary fiber intake from grains was inversely associated with advanced PC (comparing the highest vs lowest quintile, MVHR 0.84; 95% CI 0.76-0.93), advanced restricted PC (MVHR 0.85; 95% CI 0.74-0.97), and PC mortality (MVHR 0.78; 95% CI 0.68-0.89); statistically significant trends were noted for each of these associations (<em>P</em> ≤ .03), and a null association was observed for high-grade PC for the same comparison (MVHR 1.00; 95% CI 0.93-1.07). The comparable results were 1.06 (95% CI 1.01-1.10; <em>P</em> value, test for trend = .002) for localized PC (n = 35,199) and 1.05 (95% CI 0.99-1.11; <em>P</em> value, test for trend = .04) for low/intermediate grade PC (n = 34 366).</div></div><div><h3>Conclusions</h3><div>Weak nonsignificant associations were observed between total dietary fiber intake and risk of advanced forms of PC, high-grade PC, and PC mortality. High dietary fiber intake from grains was associated with a modestly lower risk of advanced forms of PC and PC mortality.</div></div>","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 1","pages":"Pages 11-23.e22"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140773599","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":"Systems Thinking and Sustainable Food Systems in Dietetics Education: A Survey of Directors","authors":"Erin E. Bergquist MPH, RD, LD ,&nbsp;Lyndi Buckingham-Schutt PhD, RD, LD ,&nbsp;Christina Gayer Campbell PhD, RD, LD ,&nbsp;Awoke Dollisso PhD ,&nbsp;Shuyang Qu PhD ,&nbsp;Angela M. Tagtow DrPH, RD, LD ,&nbsp;Scott Smalley PhD","doi":"10.1016/j.jand.2024.06.233","DOIUrl":"10.1016/j.jand.2024.06.233","url":null,"abstract":"&lt;div&gt;&lt;h3&gt;Background&lt;/h3&gt;&lt;div&gt;Systems thinking is recommended, but not required, for teaching food and water system sustainability in nutrition and dietetics education.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Objective&lt;/h3&gt;&lt;div&gt;This study investigated systems thinking and sustainable, resilient, and healthy food and water systems (SRHFWS) in nutrition and dietetics programs. It examined program directors’ practices, values, attitudes, confidence levels, and the relationships between systems thinking, teaching SRHFWS topics, confidence levels, and years of experience as a dietitian and program director.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Design&lt;/h3&gt;&lt;div&gt;Conducted in September 2022, the study used a descriptive design with a validated 20-item Systems Thinking Scale and a researcher-designed survey with 1-5 Likert-type scales.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Participants and setting&lt;/h3&gt;&lt;div&gt;The online survey was distributed to 611 Accreditation Council for Education in Nutrition and Dietetics program directors, with a 27% (N = 163) response.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Statistical analysis&lt;/h3&gt;&lt;div&gt;Descriptive statistics (frequency or mean ± SD) were calculated using Excel. Inferential statistics were examined using R. Analysis of variance was used to compare experience as a registered dietitian nutritionist and experience as a program director to confidence levels in teaching each SRHFWS topic. Linear regression was used determine the relationship between total Systems Thinking Scale score and demographic and programmatic variables.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Results&lt;/h3&gt;&lt;div&gt;Seventy-seven percent of program directors scored high on the Systems Thinking Scale (mean score = 65.2 ± 8.4 on a 0 to 80 scale), and more than 85% of directors agreed that including systems thinking in dietetics was important. However, only 32.1% reported teaching systems thinking. Less than half of program directors agreed that systems thinking was adequately addressed in Accreditation Council for Education in Nutrition and Dietetics standards, and nearly 80% of program directors agreed there was room to strengthen systems thinking content. Directors neither agreed nor disagreed there are adequate Accreditation Council for Education in Nutrition and Dietetics standards addressing SRHFWS and reported SRHFWS topics were inconsistently taught. Confidence levels were lowest for teaching economic and environmental topics. Awareness and use of resources developed by the Academy of Nutrition and Dietetics Foundation was low.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Conclusions&lt;/h3&gt;&lt;div&gt;Integration of systems thinking in nutrition and dietetics education presents promising opportunities to address complexity in the field. Applying systems thinking to teach SRHFWS may narrow the disparity between educators' perceived importance and program coverage. Enhancing program directors' awareness and utilization of Academy of Nutrition and Dietetics Foundation resources and improved alignment between practice standards and accreditation standards may empower program direct","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 1","pages":"Pages 42-53"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141533184","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":"Association Between Avocado Consumption and Diabetes in Mexican Adults: Results From the 2012, 2016, and 2018 Mexican National Health and Nutrition Surveys","authors":"Feon W. Cheng PhD, MPH, RDN, CHTS-CP ,&nbsp;Sonia Rodríguez-Ramírez PhD ,&nbsp;Teresa Shamah-Levy PhD ,&nbsp;Sandra Pérez-Tepayo PhD ,&nbsp;Nikki A. Ford PhD","doi":"10.1016/j.jand.2024.04.012","DOIUrl":"10.1016/j.jand.2024.04.012","url":null,"abstract":"<div><h3>Background</h3><div>Avocado contains numerous vitamins, minerals, and phytochemicals that can contribute to reducing the risk of metabolic syndrome and diabetes. However, limited studies have examined the association between avocados and diabetes risk.</div></div><div><h3>Objective</h3><div>This study aimed to examine the association between avocado consumption and diabetes by sex in Mexican adults.</div></div><div><h3>Design</h3><div>This was a cross-sectional study.</div></div><div><h3>Participants/setting</h3><div>Participants included a subsample of adults (aged 20 years and older) from the 2012, 2016, and 2018 Mexican National Health and Nutrition Survey. Avocado consumption was assessed using a 7-day, semiquantitative food frequency questionnaire, and participants were classified as avocado consumers (consuming any amount of avocado) or nonconsumers.</div></div><div><h3>Main outcome measures</h3><div>Participants were considered to have diabetes if they answered “yes” to “Has a doctor ever told that you have diabetes or high blood sugar?”</div></div><div><h3>Statistical analyses performed</h3><div>This analysis assessed the association between avocado intake and diabetes using multivariate logistic models by sex and adjusted for relevant covariates.</div></div><div><h3>Results</h3><div>Of 28 239 Mexican National Health and Nutrition Survey 2012, 2016, and 2018 participants, 25 640 met the criteria (ie, have diabetes outcome and plausible energy and avocado intakes) for this study. More than half of the participants were women, and approximately 45% were avocado consumers, with an average (SE) avocado consumption of 34.7 (0.9) among men and 29.8 (0.8) g/day among women. Avocado consumers had lower odds of diabetes in both unadjusted (odds ratio [OR] 0.762, 95% CI 0.639 to 0.907) and adjusted (OR 0.792, 95% CI 0.632 to 0.993) models among women but not men (OR 1.192, 95% CI: 0.907 to 1.566 and OR 0.914, 95% CI 0.675 to 1.239 for unadjusted and adjusted models, respectively).</div></div><div><h3>Conclusions</h3><div>Avocado consumption was associated with a lower risk of diabetes, which remained significant even when adjusted for relevant covariates. However, this finding was observed in only women, not men, underscoring the importance of personalized nutrition in diabetes care and prevention.</div></div>","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 1","pages":"Pages 69-77"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140796245","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":"Coffee, Phosphoinositide 3-Kinase Signaling Pathway, and Prostate Cancer: A Prospective Study in the Health Professionals Follow-Up Study","authors":"Rui Song PhD ,&nbsp;Konrad H. Stopsack MD ,&nbsp;Junkun Ren MSc ,&nbsp;Lorelei A. Mucci ScD ,&nbsp;Steven K. Clinton MD, PhD ,&nbsp;Massimo Loda MD ,&nbsp;Molin Wang PhD ,&nbsp;Edward L. Giovannucci MD, ScD ,&nbsp;Kathryn M. Wilson ScD ,&nbsp;Stephanie A. Smith-Warner PhD","doi":"10.1016/j.jand.2024.07.001","DOIUrl":"10.1016/j.jand.2024.07.001","url":null,"abstract":"<div><h3>Background</h3><div>Higher coffee intake has been associated with reduced risk of prostate cancer, particularly aggressive forms. The activation of the phosphoinositide 3-kinase (PI3K) signaling pathway plays an important role in prostate carcinogenesis.</div></div><div><h3>Objective</h3><div>To evaluate associations between prediagnostic coffee intake and a PI3K activation score, the expression/presence of PI3K regulators, and downstream effectors in tumor tissue from men with prostate cancer in the Health Professionals Follow-Up Study, a prospective cohort study conducted in the United States.</div></div><div><h3>Design</h3><div>A case-only study design was applied. Coffee intake was assessed using validated food frequency questionnaires completed in 1986 and every 4 years thereafter until prostate cancer diagnosis.</div></div><div><h3>Participants setting</h3><div>Study participants comprised 1242 men diagnosed with prostate cancer from 1986 to 2009 and with tumor markers assessed from tissue microarrays constructed from tumor specimens.</div></div><div><h3>Main outcome measures</h3><div>The outcomes include the PI3K activation score; expression of insulin receptor and insulin-like growth factor 1 receptor; angiogenesis markers; and presence of the tumor suppressor phosphatase and tensin homolog, chronic and acute inflammation, simple atrophy, and post-atrophic hyperplasia.</div></div><div><h3>Statistical analyses performed</h3><div>Multivariable linear or logistic regression was conducted to estimate associations between coffee intake and tumor marker expression/presence.</div></div><div><h3>Results</h3><div>Among coffee drinkers (86.6% of the population), median (25th, 75th percentile) coffee intake was 2 c/day (1, 3 c/day). The associations between coffee consumption and the tumor markers of interest were generally weak with modest precision. When comparing men who drank &gt;3 c/day coffee with nondrinkers, the absolute percent difference in the PI3K activation score and angiogenesis markers ranged from 0.6% to 3.6%. The odds ratios for phosphatase and tensin homolog loss, insulin-like growth factor 1 receptor and insulin receptor expression, and presence of chronic and acute inflammation, simple atrophy, and postatrophic hyperplasia also were not statistically significant, were imprecise, and ranged from 0.82 to 1.58.</div></div><div><h3>Conclusions</h3><div>Coffee intake was not observed to be associated with PI3K activation, related regulators, and several effectors in prostate tumor tissue. Studies exploring alternative pathways or earlier steps in carcinogenesis are needed to investigate the underlying mechanisms of the coffee and prostate cancer association.</div></div>","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 1","pages":"Pages 90-98.e5"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141544354","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":"Reliability and Validity of Diabetes Nutrition Self-Efficacy and Behavior Measures for the “What Can I Eat” Diabetes Nutrition Education Program for American Indian and Alaska Native Adults With Type 2 Diabetes","authors":"Angela G. Brega PhD ,&nbsp;Sarah A. Stotz PhD, MS, RDN, CDCES ,&nbsp;Kelly R. Moore MD, FAAP ,&nbsp;Monica C. McNulty MS ,&nbsp;Luohua Jiang PhD","doi":"10.1016/j.jand.2024.05.004","DOIUrl":"10.1016/j.jand.2024.05.004","url":null,"abstract":"<div><h3>Background</h3><div>American Indian<span> and Alaska Native (AI/AN) people have high rates of diabetes and limited access to nutrition education. The “What Can I Eat? Healthy Choices for People With Type 2 Diabetes” (WCIE) diabetes nutrition education program was culturally adapted for AI/AN adults.</span></div></div><div><h3>Objective</h3><div>This analysis was designed to evaluate the reliability and validity of items developed to measure diabetes nutrition self-efficacy (ie, confidence one can engage in specific behaviors) and diabetes nutrition behavior among participants in the WCIE program for AI/AN adults.</div></div><div><h3>Design</h3><div>This study was a secondary analysis of data from a randomized controlled trial designed to evaluate the WCIE program for AI/AN adults. Baseline data were used to assess the reliability and validity of the self-efficacy and behavior items, which were collected via survey. Due to COVID-19 safety protocols, the intervention was conducted via Zoom (Zoom Video Communications), and both survey and clinical data were collected at home by participants.</div></div><div><h3>Participants/setting</h3><div>The study was conducted from January to December 2021 with 5 AI/AN-serving health care programs in Oklahoma, Illinois, North Carolina, California, and New York. AI/AN adults with type 2 diabetes who spoke English and had internet access were eligible. Sixty people participated.</div></div><div><h3>Main outcome measures</h3><div>Analyses examined validity and reliability of diabetes nutrition self-efficacy and behavior items.</div></div><div><h3>Statistical analysis performed</h3><div><span><span>To test reliability, internal consistency and factor structures of the scales were examined. To evaluate </span>convergent validity, Pearson correlations were computed to examine the association of the self-efficacy and behavior measures with each other and with clinical indicators (ie, </span>body mass index, blood pressure, and hemoglobin A1c).</div></div><div><h3>Results</h3><div>Two self-efficacy factors were identified. Each showed strong internal consistency (Cronbach α ≥ 0.85; McDonald ω ≥ 0.88) and was directly associated with diabetes nutrition behavior (<em>P</em><span> &lt; .001). The factor assessing Confidence in Using the Diabetes Plate was inversely associated with hemoglobin A1c (Pearson correlation = –0.32, </span><em>P</em><span> = .0243). The behavior measure capturing Healthy Nutrition Behavior showed strong internal consistency (α = 0.89; ω = 0.92) and was inversely associated with hemoglobin A1c (Pearson correlation = –0.38, </span><em>P</em> = .0057).</div></div><div><h3>Conclusions</h3><div>Diabetes nutrition self-efficacy and behavior items developed for the WCIE program for AI/AN adults are valid and reliable. These items can facilitate rigorous and consistent evaluation of the AI/AN WCIE program.</div></div>","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 1","pages":"Pages 78-89.e1"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140911536","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":"January 2025 People & Events","authors":"","doi":"10.1016/j.jand.2024.11.005","DOIUrl":"10.1016/j.jand.2024.11.005","url":null,"abstract":"","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 1","pages":"Page 129"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143179929","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)00950-X","DOIUrl":"10.1016/S2212-2672(24)00950-X","url":null,"abstract":"","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 1","pages":"Page 7"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143178363","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":"Body Weight Perceptions Among Youth From 6 Countries and Associations With Social Media Use: Findings From the International Food Policy Study","authors":"Karen Hock MSc ,&nbsp;Lana Vanderlee PhD ,&nbsp;Christine M. White MSc ,&nbsp;David Hammond PhD","doi":"10.1016/j.jand.2024.06.223","DOIUrl":"10.1016/j.jand.2024.06.223","url":null,"abstract":"<div><h3>Background</h3><div>Body dissatisfaction is associated with poor psychological and physical health, particularly among young people. However, limited data exist on body size perceptions across countries and factors associated with dissatisfaction.</div></div><div><h3>Objective</h3><div>This study examined dissatisfaction prevalence and associations with sociodemographics and social media use among youth in 6 countries.</div></div><div><h3>Design</h3><div>Repeat cross-sectional national online surveys were conducted as part of the 2019 and 2020 International Food Policy Study Youth Survey.</div></div><div><h3>Participants</h3><div>The sample included 21 277 youth aged 10 to 17 years from Australia, Canada, Chile, Mexico, the United Kingdom, and the United States. Youth were recruited to complete the online survey through parents/guardians enrolled in the Nielsen Consumer Insights Global Panel and their partners’ panels.</div></div><div><h3>Main outcome measures</h3><div>Figural drawing scales assessed self-perceived and ideal body images, with differences between scales representing body dissatisfaction.</div></div><div><h3>Statistical analyses performed</h3><div>Multinomial logistic regression models examined differences in body dissatisfaction by country, and associations with sociodemographics and either social media screen time or platforms used, including 2-way interactions with country.</div></div><div><h3>Results</h3><div>Overall, approximately 45% of youth reported the same perceived and ideal body sizes, whereas 35% were “larger than ideal” (from 33% in Canada and Australia to 42% in Chile) and 20% were “thinner than ideal” (from 15% in Chile to 22% in Mexico). Greater social media screen time was associated with a higher likelihood of moderate-severe dissatisfaction for being “thinner than ideal” and at least mild dissatisfaction for being “larger than ideal” (<em>P</em> &lt; .003 for all contrasts), with greater dissatisfaction among users of YouTube and Snapchat than nonusers (<em>P</em> ≤ .005 for both contrasts). Modest differences in body dissatisfaction between countries were observed for age, ethnicity, body mass index, and weight-based teasing.</div></div><div><h3>Conclusions</h3><div>Body dissatisfaction is prevalent among youth across diverse countries. These findings highlight the need to promote healthy body image in youth, particularly among social media users.</div></div>","PeriodicalId":379,"journal":{"name":"Journal of the Academy of Nutrition and Dietetics","volume":"125 1","pages":"Pages 24-41.e7"},"PeriodicalIF":3.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141465125","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}