{"title":"Weight Misperception Among Chinese Children and Adolescents: Evidence from the Repeated China Health and Nutrition Survey.","authors":"Liang Ma, Philip J Schluter","doi":"10.1017/S1368980025000321","DOIUrl":"https://doi.org/10.1017/S1368980025000321","url":null,"abstract":"<p><strong>Objective: </strong>Weight misperception has been reported as a common problem in high-income countries, but there is a paucity of high quality empirical evidence in low- and middle-income countries, especially among children and adolescents. This study estimates the prevalence of weight misperception and investigates changes over time among children and adolescents in China, as well as identify factors which may affect this weight misperception.</p><p><strong>Design: </strong>The China Health and Nutrition Survey (CHNS), which is a repeated, representative cross-sectional study employing multistage random cluster processes.</p><p><strong>Setting: </strong>A Chinese national survey across 15 provinces and municipal cities.</p><p><strong>Participants: </strong>Data from with children and adolescents aged 6-16 years from six consecutive waves of between 2000 and 2015 were included.</p><p><strong>Results: </strong>The final sample totaled 7,110 children and adolescents. The overall prevalence of weight misperception was largely stable between 2000 and 2015 (range: 34.1% to 37.3%). Sex and age group were associated with weight misperception, with boys and younger participants more likely to misperceive their weight status. In addition, dieting and being physically active or inactive was associated with increased rates of weight misperception.</p><p><strong>Conclusions: </strong>Weight misperception is common among youth in China, and unequally shared with several subpopulations at increased risk. Researchers and health promotors are called to recognize weight misperception when addressing overweight and obesity countermeasures, and more tailored public health initiatives are warranted to more effectively reach those with weight misperceptions.</p>","PeriodicalId":20951,"journal":{"name":"Public Health Nutrition","volume":" ","pages":"1-25"},"PeriodicalIF":3.0,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143670918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Mediating Effects of Waist Circumference and Body Mass Index on the Association between Meal Frequency and Mortality.","authors":"Li-Juan Tan, Sangah Shin","doi":"10.1017/S1368980025000357","DOIUrl":"https://doi.org/10.1017/S1368980025000357","url":null,"abstract":"<p><strong>Objective: </strong>To examine the potential indirect effect of meal frequency on mortality via obesity indices.</p><p><strong>Design: </strong>prospective cohort study.</p><p><strong>Setting: </strong>Korean Genome and Epidemiology Study.</p><p><strong>Participants: </strong>This cohort study involved 148,438 South Korean adults aged 40 years and older.</p><p><strong>Results: </strong>Meal frequency at the baseline survey was assessed using a validated food frequency questionnaire. Outcomes included all-cause mortality, cancer mortality, and cardiovascular disease (CVD) mortality. Cox proportional hazards regression models were employed to examine the relationship between meal frequency and the risk of mortality. Mediation analyses were performed with changes in obesity indices (body mass index and waist circumference (WC)) as mediators. In comparison to the three-times group, the once-per-day and four-times-per-day groups had a higher risk for all-cause mortality. The irregular frequency group had a higher risk for CVD mortality. Both once-per-day and four-times-per-day groups exhibited higher risks for cancer mortality. The effect of meal frequency on all-cause mortality was partially mediated by WC. For specific-cause mortality, similar mediation effects were found.</p><p><strong>Conclusions: </strong>The data suggests that three meals per day have a lower mortality and longer life expectancy compared to other meal frequencies. Increased waist circumference partially mediates this effect. These findings support the implementation of a strategy that addresses meal frequency and weight reduction together.</p>","PeriodicalId":20951,"journal":{"name":"Public Health Nutrition","volume":" ","pages":"1-25"},"PeriodicalIF":3.0,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143670917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
L McSweeney, M Buczkowska, L Denning, M Elcock, S Spence
{"title":"Healthcare Staff Perceptions of the Hospital Food Environment: A Narrative Systematic Review.","authors":"L McSweeney, M Buczkowska, L Denning, M Elcock, S Spence","doi":"10.1017/S136898002500031X","DOIUrl":"https://doi.org/10.1017/S136898002500031X","url":null,"abstract":"<p><strong>Objective: </strong>To understand healthcare staff perspectives of their hospital food environment, and the impact of these perceptions on their food choice, health and wellbeing.</p><p><strong>Design: </strong>A narrative systematic review.</p><p><strong>Setting: </strong>Publications were eligible for inclusion if participants were hospital-based staff, all job roles were eligible, including both clinical and non-clinical staff. Both public and private hospitals in the United Kingdom, United States of America or Australia were included.</p><p><strong>Participants: </strong>Clinical and non-clinical staff employed in hospitals.</p><p><strong>Results: </strong>A systematic search was carried out across four databases: OVID Medline, CINAHL, PsycInfo and Scopus. Grey literature screening was completed via Google and Google Scholar. Eleven studies were included and were predominantly from the UK. Setting sizes varied or were unknown and participant numbers varied (<i>n</i>=16 to <i>n</i>=1158) or were unknown. Most participants were nurses. Methods included reports, surveys, focus groups, and interviews. The main themes identified were accessibility to food, diversity of food choices, free foods used to boost staff morale and job role influencing engagement with the food environment. Staff reported issues around canteen opening hours, limited healthy food options, and free food on wards causing extra calories to be consumed. Irregular breaks and staffing shortages affected hospital staff's ability to engage with the wider food environment resulting in reliance on convenience foods and snacks.</p><p><strong>Conclusions: </strong>The current hospital food environment does not facilitate healthy dietary practices and is perceived by staff as a barrier to healthy eating. The hospital food environment requires adaptation to reflect a 24-hour workplace.</p>","PeriodicalId":20951,"journal":{"name":"Public Health Nutrition","volume":" ","pages":"1-27"},"PeriodicalIF":3.0,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143664479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sarah K Abe, Manami Inoue, Nobufumi Yasuda, Kazumasa Yamagishi, Shoichiro Tsugane, Norie Sawada
{"title":"Polyunsaturated fatty acids, fish intake and risk of disabling dementia in Japan: the JPHC Disabling Dementia Study.","authors":"Sarah K Abe, Manami Inoue, Nobufumi Yasuda, Kazumasa Yamagishi, Shoichiro Tsugane, Norie Sawada","doi":"10.1017/S1368980025000308","DOIUrl":"https://doi.org/10.1017/S1368980025000308","url":null,"abstract":"<p><strong>Objective: </strong>The aim of this study was to assess the association between fish intake, n-3 polyunsaturated fatty acids (PUFA), n-6 PUFA and risk of disabling dementia.</p><p><strong>Design: </strong><i>Prospective</i> cohort.</p><p><strong>Setting: </strong>Municipalities within the Japan Public Health Center-based Prospective Study.</p><p><strong>Participants: </strong>43,651 participants: (20,002 men and 23,649 women).</p><p><strong>Results: </strong>Exposure intake of fish, n-3 and n-6 PUFA intake were evaluated in 1995-1997. We defined disabling <i>dementia</i> cases as participants who were certified to receive disability care under the long-term-care insurance program (2006-2016) in participating municipalities with a grade of activities of daily living related to dementia ≥IIa on the dementia rating scale (range 0-IV and M). Cox proportional hazard models were applied to obtain hazard ratios (HR) and 95% confidence intervals (CI) according to quartiles of exposures of interest. In the main analysis, we adjusted for age and area, smoking, body mass index, alcohol, and metabolic equivalent tasks. During 410,350 person years of follow-up with an average follow-up of 9.4 years, 5,278 cases of disabling dementia were diagnosed. Fish intake and most PUFAs were not associated with the risk of disabling dementia in men. In women, n-6 PUFA showed a significant decreasing trend in risk the highest HR (95% CI) compared with the lowest was 0.90 (0.81-0.99) (<i>p</i> for trend=0.024) and alpha-linolenic acid (ALA) was 0.91 (0.82 to 1.00) (<i>p</i> for trend=0.043).</p><p><strong>Conclusions: </strong>Our <i>findings</i> suggest no association with fish in general and only n-6 PUFA and ALA may be associated with a decreased risk of disabling dementia especially in women.</p>","PeriodicalId":20951,"journal":{"name":"Public Health Nutrition","volume":" ","pages":"1-27"},"PeriodicalIF":3.0,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143664020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gastón Ares, Florencia Alcaire, Gerónimo Brunet, Tobias Otterbring, María Costa, Sofía Verdier, María Rosa Curutchet, Luciana Bonilla, Sergio Turra, Fernanda Risso, Leticia Vidal
{"title":"Advertisements of ultra-processed products outside food outlets: Field evidence from Montevideo, Uruguay.","authors":"Gastón Ares, Florencia Alcaire, Gerónimo Brunet, Tobias Otterbring, María Costa, Sofía Verdier, María Rosa Curutchet, Luciana Bonilla, Sergio Turra, Fernanda Risso, Leticia Vidal","doi":"10.1017/S1368980025000254","DOIUrl":"https://doi.org/10.1017/S1368980025000254","url":null,"abstract":"<p><strong>Objectives: </strong>To evaluate the prevalence of advertisements of ultra-processed products outside food outlets in Montevideo (Uruguay) and to explore the patterns of these advertisements across areas with different socio-economic status.</p><p><strong>Design: </strong>Cross-sectional field survey of advertisements of ultra-processed products outside food outlets. The percentage of outlets featuring any type of advertisement of ultra-processed products on the exterior part of the outlets was calculated, at the aggregate level and separately by type of outlet and type of product. Comparisons were made considering the socio-economic status of the tract where outlets were located.</p><p><strong>Setting: </strong>106 census tracts in Montevideo, differing in geographical location and socio-economic status.</p><p><strong>Participants: </strong>Outlets selling foods and beverages, located within the selected census tracts.</p><p><strong>Results: </strong>30.7% of the 1,217 food outlets identified in the field survey featured some type of exterior advertisement of ultra-processed products. Sweetened beverages (specifically soda) was the most frequently advertised ultra-processed product category, followed by ice-cream. After adjusting for the type of outlet, medium SES tracts exhibited the highest prevalence of ultra-processed product advertisements outside food outlets (36.0%). Differences in the prevalence of advertisements of specific categories with SES were also found, which may reflect variations in the types and characteristics of food outlets.</p><p><strong>Conclusions: </strong>Results from the present work suggest frequent exterior advertisements of ultra-processed products and highlight the need to develop effective policies to reduce their use as part of a comprehensive set of strategies to discourage consumption of ultra-processed products.</p>","PeriodicalId":20951,"journal":{"name":"Public Health Nutrition","volume":" ","pages":"1-24"},"PeriodicalIF":3.0,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143658260","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Damith Chandrasenage, William Johnson, Paula Griffiths
{"title":"Stunting and inequality in Sri Lanka compared to other Low- and middle-income South Asian countries.","authors":"Damith Chandrasenage, William Johnson, Paula Griffiths","doi":"10.1017/S1368980025000205","DOIUrl":"https://doi.org/10.1017/S1368980025000205","url":null,"abstract":"<p><strong>Objective: </strong>This study investigates and measures whether the association of childhood stunting with household socioeconomic position (SEP) differs in Sri Lanka compared to other South Asian countries.</p><p><strong>Design: </strong>Secondary analysis of data of children from the latest available DHS data (survey years, 2016-2018). The exposures (SEP) were maternal education and wealth. The outcome was stunting. Binary logistic regression models incorporated SEP, Country, and SEP-by-Country interaction terms.</p><p><strong>Setting: </strong>A nationally representative sample of children from Bangladesh, India, Nepal, Pakistan and Sri Lanka.</p><p><strong>Participants: </strong>Mothers/caregivers of children under 36 months (133,491).</p><p><strong>Results: </strong>The prevalence of stunting in Sri Lanka of 19% was much lower than that observed for all the other low to low-middle income South Asian countries (37% in Bangladesh, 36% in India, 31% in Nepal, 30% in Pakistan). The association of SEP with odds of stunting was similar in Sri Lanka compared to other South Asian countries. The only exception was weaker associations of wealth with stunting in Sri Lanka compared to Bangladesh. For example, in Sri Lanka, the poorest group had 2.75 (2.06, 3.67) times higher odds of stunting compared to the richest group, but in Bangladesh, this estimate was 4.20 (3.24, 5.44); the difference between these two estimates being 0.65 (0.44, 0.96) on the odds ratio scale.</p><p><strong>Conclusions: </strong>The lower prevalence of stunting in Sri Lanka is unlikely to be due to less inequality. It is more likely that the lower prevalence of stunting in Sri Lanka is related to there being fewer mothers belonging to the lowest SEP groups.</p>","PeriodicalId":20951,"journal":{"name":"Public Health Nutrition","volume":" ","pages":"1-16"},"PeriodicalIF":3.0,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143658290","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Shashika D Rathnayaka, Cesar Revoredo-Giha, Baukje de Roos
{"title":"Demand for fish in Great Britain is driven by household income and taste.","authors":"Shashika D Rathnayaka, Cesar Revoredo-Giha, Baukje de Roos","doi":"10.1017/S1368980025000217","DOIUrl":"https://doi.org/10.1017/S1368980025000217","url":null,"abstract":"<p><strong>Objective: </strong>Fish is high in nutrients that provide a range of health benefits, but people in Great Britain only consume around half the amount that is recommended. This study analysed the demand for fish, for consumption at home, across different household groups in Great Britain.</p><p><strong>Design: </strong>Using a Rotterdam demand model, price and income elasticities were estimated for eleven fish groups across seven household groups. To investigate changes in fish demand, we decomposed growth in fish demand into income, relative price, and change in taste and seasonality.</p><p><strong>Setting: </strong>The data used for our analysis was drawn from the Kantar Worldpanel dataset for Great Britain for the period from 2013 to 2021.</p><p><strong>Participants: </strong>12,492 households in Great Britain.</p><p><strong>Results: </strong>Families with children consistently allocated a lower share of their grocery spending on fish and prefer to purchase ready-to-use and convenient fish products, compared to households without children. Purchases of chilled fresh/smoked oily fish, canned oily fish, and frozen processed fish led spending across demographic groups, whilst purchases of canned oily fish showed minimal growth. The demand for most fish products across household groups was price inelastic, indicating that the percentage change in quantity of fish demanded increased or fell by less than the percentage change in price.</p><p><strong>Conclusions: </strong>Income and taste were identified as significant determinants of demand changes across all household groups, while price only played a prominent role in demand changes for certain fish groups. Thus, increasing fish consumption, especially in lower-income groups, who do not usually consume much fish, may require a different intervention than simply making fish more affordable.</p>","PeriodicalId":20951,"journal":{"name":"Public Health Nutrition","volume":" ","pages":"1-30"},"PeriodicalIF":3.0,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143658264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ryan Calabro, Eva Kemps, Ivanka Prichard, Marika Tiggemann
{"title":"Healthy vending machines on campus: The effect of traffic light labelling on food and beverage choices.","authors":"Ryan Calabro, Eva Kemps, Ivanka Prichard, Marika Tiggemann","doi":"10.1017/S1368980025000229","DOIUrl":"https://doi.org/10.1017/S1368980025000229","url":null,"abstract":"<p><strong>Objective: </strong>To investigate whether the introduction of healthy vending machines on a university campus could increase the proportion of healthy food and beverage purchases.</p><p><strong>Design: </strong>Four new healthy vending machines offering a wider range of healthier food and beverages were installed alongside existing machines. These new machines used traffic light colours to indicate nutritional value. A year after their installation, a traffic light text guide and colourful wrap were added to the new machines. Chi-square tests were used to assess significant differences in the sales of green (healthy), amber, or red (unhealthy) items from healthy and existing vending machines across the three years (2021 - 2023).</p><p><strong>Setting: </strong>The study was conducted on a university campus where the new healthy vending machines were installed.</p><p><strong>Participants: </strong>Participants of this study were the consumers who purchased items from the vending machines on the university campus.</p><p><strong>Results: </strong>The results indicated a shift towards healthier purchases following the introduction of the healthy vending machines. The addition of the traffic light text guide and colourful wrap further reduced unhealthy purchases, although this change was small. Sales from the existing vending machines did not meaningfully decrease, and any reductions were more than replaced by sales from the new healthy vending machines.</p><p><strong>Conclusions: </strong>The study concluded that by providing healthier options and guiding consumers towards these options, the vending machine program offers a promising pathway towards promoting healthier food and beverage choices from vending machines on university campuses.</p>","PeriodicalId":20951,"journal":{"name":"Public Health Nutrition","volume":" ","pages":"1-20"},"PeriodicalIF":3.0,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143639804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
John A Jimenez-Garcia, Louise C Mâsse, Robert L Newton, Salma M Musaad, Alicia Beltran, Teresia M O'Connor
{"title":"Exploring profiles of fathers integrating food and physical activity parenting practices.","authors":"John A Jimenez-Garcia, Louise C Mâsse, Robert L Newton, Salma M Musaad, Alicia Beltran, Teresia M O'Connor","doi":"10.1017/S1368980025000278","DOIUrl":"https://doi.org/10.1017/S1368980025000278","url":null,"abstract":"<p><strong>Objective: </strong>This study aims to identify fathers' profiles integrating food parenting practices (FPP) and physical activity parenting practices (PAPP).</p><p><strong>Design: </strong>We analyzed cross-sectional data. The fathers completed the reduced FPP and PAPP item banks and sociodemographic and family dynamics (co-parenting and household responsibility) questionnaires. We identified fathers' profiles via latent profile analysis. We explored the influence of social determinants, child characteristics, and family dynamics on fathers' profiles using multinomial logistic regression.</p><p><strong>Setting: </strong>Online survey in the US.</p><p><strong>Participants: </strong>Fathers of 5-11-year-old children.</p><p><strong>Results: </strong>We analyzed data from 606 fathers (age=38±8.0; Hispanic=37.5%). Most fathers self-identified as White (57.9%) or Black (17.7%); overweight (41.1%) or obese (34.8%); attended college (70%); earned >$47,000 (62.7%); worked 40 hrs/week (63.4%); and were biological fathers (90.1%). Most children (boys=55.5%) were 5-8 years old (65.2%). We identified five fathers' profiles combining FPP and PAPP: 1) <i>Engaged Supporter Father</i> (n=94 [15.5%]); 2) <i>Leveled Father</i> (n=160 [26.4%]); 3) <i>Autonomy-Focused Father</i> (n=117 [19.3%]); 4) <i>Uninvolved Father</i> (n=113 [18.6%]); 5) <i>Control-Focused Father</i> (n=122 [20.1%]). We observed significant associations with race, ethnicity, child characteristics, co-parenting, and household responsibility, but not with education level, annual income, or employment status. We observed significant pairwise differences between profiles in co-parenting and household responsibility, with the <i>Engaged Supporter Father</i> presenting higher scores in both measures.</p><p><strong>Conclusions: </strong>Understanding how fathers' FPP and PAPP interact can enhance assessments for a comprehensive understanding of fathers' influences on children's health. Recognizing the characteristics and differences among fathers' profiles may enable tailored interventions, potentially improving children's health trajectories.</p>","PeriodicalId":20951,"journal":{"name":"Public Health Nutrition","volume":" ","pages":"1-31"},"PeriodicalIF":3.0,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143650103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Intake of iodine in a sample of UK mother infant pairs, 6-12 months after birth: A cross-sectional study.","authors":"Jo Pearce, Jenny Christian, Lisa J Coneyworth","doi":"10.1017/S1368980025000230","DOIUrl":"https://doi.org/10.1017/S1368980025000230","url":null,"abstract":"<p><strong>Objective: </strong>To investigate the intake of iodine in mother-infant pairs.</p><p><strong>Design: </strong>An exploratory, cross-sectional study. Iodine intake was estimated using Nutritics nutritional analysis software, following 24-hour dietary recall. Iodine-rich foods were grouped and compared between those women who met the UK RNI for iodine (140 µg/day) and those who did not.</p><p><strong>Setting: </strong>Online and telephone questionnaires.</p><p><strong>Participants: </strong>Self-selecting caregivers of infants aged 6-12 months.</p><p><strong>Results: </strong>Ninety-one mother-infant pairs with a mean (SD) age of 33.2 (4.1) years and 8.4 (1.3) months, respectively, were included. Most mothers were exclusively breast feeding (54.9%). The estimated maternal median iodine intake from food and supplements (median 140.3 µg/day, just meeting the UK RNI for women of reproductive age, but not the WHO or BDA recommendations for lactating women (250 µg/day and 200 µg/day, respectively). Forty-six (50.5%) of mothers met the UK RNI. Estimated intakes of fish, eggs, cow's milk, and yoghurt/cream/dairy desserts were significantly greater, whilst intakes of plant-based milk alternative drinks were significantly less in mothers who met the RNI for iodine (P<0.05) compared with those who did not. Infant iodine intake from food was positively correlated with maternal; total iodine intake, iodine intake from all food, and iodine intake from dairy foods (Spearman's rho=0.243, 0.238, 0.264 respectively; P<0.05).</p><p><strong>Conclusions: </strong>Women in the UK may not consume enough iodine to meet the demands of lactation. Guidance on iodine-containing foods, focussed on intake before and during pregnancy and lactation, and mandatory fortification of plant-based milk-alternatives could all serve to avoid deficiency.</p>","PeriodicalId":20951,"journal":{"name":"Public Health Nutrition","volume":" ","pages":"1-25"},"PeriodicalIF":3.0,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143639805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}