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Perspective: The Dietary Inflammatory Index (DII)-Lessons Learned, Improvements Made, and Future Directions.
Hébert, JR, Shivappa, N, Wirth, MD, Hussey, JR, Hurley, TG
Advances in nutrition (Bethesda, Md.). 2019;(2):185-195
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Abstract
The literature on the role of inflammation in health has grown exponentially over the past several decades. Paralleling this growth has been an equally intense focus on the role of diet in modulating inflammation, with a doubling in the size of the literature approximately every 4 y. The Dietary Inflammatory Index (DII) was developed to provide a quantitative means for assessing the role of diet in relation to health outcomes ranging from blood concentrations of inflammatory cytokines to chronic diseases. Based on literature from a variety of different study designs ranging from cell culture to observational and experimental studies in humans, the DII was designed to be universally applicable across all human studies with adequate dietary assessment. Over the past 4 y, the DII has been used in >200 studies and forms the basis for 12 meta-analyses. In the process of conducting this work, lessons were learned with regard to methodologic issues related to total energy and nutrient intake and energy and nutrient densities. Accordingly, refinements to the original algorithm have been made. In this article we discuss these improvements and observations that we made with regard to misuse and misinterpretation of the DII and provide suggestions for future developments.
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Modelling positive consequences: Increased vegetable intakes following modelled enjoyment versus modelled intake.
Appleton, KM, Barrie, E, Samuel, TJ
Appetite. 2019;:76-81
Abstract
OBJECTIVE Modelling has previously been demonstrated to encourage healthy eating, but the importance of modelling the behaviour versus modelling the positive consequences of the behaviour is unknown. This work investigated the impact of modelling carrot intake (the behaviour) and modelling carrot enjoyment (the positive consequences) on subsequent liking and consumption of carrots and sweetcorn. METHODS 155 children aged 7-10 years were randomized to hear a story where fictional characters consumed a picnic with either: no mention of carrot sticks (control) (N = 45); mention of carrot sticks that all characters ate (modelling intake) (N = 60); or mention of carrot sticks that the characters like (modelling enjoyment) (N = 50). Carrot and sweetcorn liking and intake were measured before and after the story during a 5 min task. RESULTS Carrot liking and intake after a story were higher following the story modelling carrot enjoyment compared to the stories not modelling enjoyment (smallest β = 0.16, p = 0.05), and in those with higher pre-story carrot liking and intake (smallest β = 0.25, p < 0.01). Sweetcorn liking and intake after a story were associated with pre-story sweetcorn liking and intake (smallest β = 0.28, p < 0.01), and sweetcorn intake was lower following the story modelling carrot enjoyment compared to the stories not modelling enjoyment (β = -0.17, p = 0.04). CONCLUSIONS These findings demonstrate a role for modelling enjoyment to encourage vegetable liking and intake, although effects sizes were small. These findings also suggest a benefit from modelling the positive consequences of a behaviour for encouraging healthy food intake in children, while limited effects were found for modelling the behaviour itself.
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Diet quality of patients with acute coronary syndrome receiving public and private health care.
Costa, IMNBC, Silva, DGD, Barreto Filho, JAS, Oliveira, JLM, Silva, JRS, Buarque, MDBM, Nascimento, T, Jorge, JG, Almeida, AS, Almeida-Santos, MA, et al
Nutrition (Burbank, Los Angeles County, Calif.). 2019;:131-137
Abstract
OBJECTIVE The aim of this study was to investigate the quality of the diets consumed by patients with acute coronary syndrome (ACS) who received public and private health care. METHODS This observational, prospective, longitudinal cohort study evaluated patients with ACS who attended three private and one public cardiology reference hospitals. Information about dietary parameters during the 6 mo before the acute ACS event was collected at admission and 180 d later using a semiquantitative food frequency questionnaire. Diet quality was assessed using the Alternative Healthy Eating Index (2010), and a multilinear regression model was developed to evaluate the associated variables. RESULTS The 581 volunteers included in this study comprised 325 (55.9%) and 256 (44.1%) patients treated at private and public hospitals, respectively. Although the dietary index increased significantly after ACS (P < 0001), diet quality remained unsatisfactory, particularly in terms of reductions in the consumption of cardioprotective components (vegetables, fruits, and eicosapentaenoic and docosahexaenoic fatty acids). Compared with patients receiving private health care, those attending a public hospital reported lower dietary quality (P < 0.001). The best diet quality was found to correlate with female sex (P < 0.001), receipt of dietary guidance at hospital discharge (P < 0.001), private health care (P < 0.001), a stable relationship status (P, 0.016), and older age (P < 0.001). CONCLUSION The overall post-ACS diet quality remained unsatisfactory, especially in terms of cardioprotective components and among patients receiving public health care. Sociodemographic factors and the assistance model/quality were determinants of the observed differences in dietary quality.
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Cluster randomised controlled trial of an m-health intervention in centre-based childcare services to reduce the packing of discretionary foods in children's lunchboxes: study protocol for the 'SWAP IT Childcare' trial.
Pond, N, Finch, M, Sutherland, R, Wolfenden, L, Nathan, N, Kingsland, M, Grady, A, Gillham, K, Herrmann, V, Yoong, SL
BMJ open. 2019;(5):e026829
Abstract
INTRODUCTION In many developed nations, including Australia, a substantial number of children aged under 5 years attend centre-based childcare services that require parents to pack food in lunchboxes. These lunchboxes often contain excessive amounts of unhealthy ('discretionary') foods. This study aims to assess the impact of a mobile health (m-health) intervention on reducing the packing of discretionary foods in children's childcare lunchboxes. METHODS AND ANALYSIS A cluster randomised controlled trial will be undertaken with parents from 18 centre-based childcare services in the Hunter New England region of New South Wales, Australia. Services will be randomised to receive either a 4-month m-health intervention called 'SWAP IT Childcare' or usual care. The development of the intervention was informed by the Behaviour Change Wheel model and will consist primarily of the provision of targeted information, lunchbox food guidelines and website links addressing parent barriers to packing healthy lunchboxes delivered through push notifications via an existing app used by childcare services to communicate with parents and carers. The primary outcomes of the trial will be energy (kilojoules) from discretionary foods packed in lunchboxes and the total energy (kilojoules), saturated fat (grams), total and added sugars (grams) and sodium (milligrams) from all foods packed in lunchboxes. Outcomes will be assessed by weighing and photographing all lunchbox food items at baseline and at the end of the intervention. ETHICS AND DISSEMINATION The study was approved by the Hunter New England Local Health District Human Ethics Committee (06/07/26/4.04) and ratified by the University of Newcastle, Human Research Ethics Committee (H-2008-0343). Evaluation and process data collected as part of the study will be disseminated in peer-reviewed publications and local, national and international presentations and will form part of PhD student theses. TRIAL REGISTRATION NUMBER ACTRN12618000133235; Pre-results.
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A preschool-based intervention for Early Childhood Education and Care (ECEC) teachers in promoting healthy eating and physical activity in toddlers: study protocol of the cluster randomized controlled trial PreSchool@HealthyWeight.
Toussaint, N, Streppel, MT, Mul, S, Schreurs, A, Balledux, M, van Drongelen, K, Janssen, M, Fukkink, RG, Weijs, PJM
BMC public health. 2019;(1):278
Abstract
BACKGROUND Interventions to prevent overweight and obesity in toddlers are needed to minimize health inequalities, especially in migration and lower socio-economic groups. Preschools are identified as important environments for interventions to prevent overweight and obesity. Early Childhood Education and Care (ECEC) teachers in preschools are potential key actors in promoting healthy eating and physical activity. This paper describes the research design of a Dutch preschool-based intervention for ECEC teachers in promoting healthy eating and physical activity in toddlers. METHODS PreSchool@HealthyWeight concerns a cluster randomized controlled trial on preschools in Amsterdam Nieuw-West, Netherlands. This city district is characterised by inhabitants with a migration background and low socio-economic status. Forty-one preschools, with 115 ECEC teachers and 249 toddlers/parents, were randomly allocated to an intervention or control group. An intervention for teachers will be carried out on intervention locations and consists of modified versions of 2 existing programs: 'A Healthy Start' and 'PLAYgrounds'. In 'A Healthy Start', ECEC teachers learn to provide a healthy and active environment for toddlers. The 'PLAYgrounds for Toddlers' program, coaches ECEC teachers to stimulate physical activity in the playgrounds of preschools. PreSchool@HealthyWeight aims to evaluate the effectiveness of the intervention after 9 months. Primary outcomes are the teachers' knowledge, attitude and practices concerning healthy eating and physical activity, and consequently the level of confidence of ECEC teachers in promoting healthy eating and physical activity in toddlers. Secondary outcomes include the Body Mass Index, body composition, dietary intake and physical activity level of teachers and toddlers. In addition, the activating role of ECEC teachers and the physical activity of toddlers on the playgrounds will be evaluated. Lastly, the knowledge, attitude and practices of parents concerning healthy eating and physical activity will be assessed. DISCUSSION It is hypothesized that this preschool-based intervention for ECEC teachers improves the knowledge, attitude and practices regarding healthy eating and physical activity, and consequently the level of confidence of ECEC teachers in promoting healthy eating and physical activity of toddlers. The intervention addresses the call for early intervention to prevent overweight and obesity and to minimize health inequalities. TRIAL REGISTRATION Netherlands Trial Register (NTR): NL5850 . Date registered: August 26, 2016.
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It's all in the timing: The effect of a healthy food cue on food choices from a pictorial menu.
Tonkin, M, Kemps, E, Prichard, I, Polivy, J, Herman, CP, Tiggemann, M
Appetite. 2019;:105-109
Abstract
The contemporary food-rich environment has been consistently linked to unhealthy eating. Emerging research suggests that changing the presentation context of unhealthy foods by introducing a subtle nudge in the form of a healthy food cue may promote healthier dietary choices. This study investigated the effect of the timing of a healthy food cue (before or simultaneously with food options) on food choices. Participants (n = 210) were presented with a pictorial café-style menu displaying a healthy food cue (basket of fruit and vegetables) either on the menu cover or inside the menu, or they received a control menu. Participants were asked to make one choice from each of three menu sections (meals, beverages, afters), and then completed a measure of dietary restraint. As predicted, participants chose a greater proportion of healthy food from the healthy-cue-before menu compared to both the healthy-cue-simultaneous and control menus. Furthermore, this effect was stronger for restrained eaters. The findings demonstrate that the timing of presentation of a healthy food cue is critical, and could be used to inform the design of menus in real-world environments, such as cafés and fast-food outlets, to promote healthier dietary choices.
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Physical exercise, nutrition and hormones: three pillars to fight sarcopenia.
Sgrò, P, Sansone, M, Sansone, A, Sabatini, S, Borrione, P, Romanelli, F, Di Luigi, L
The aging male : the official journal of the International Society for the Study of the Aging Male. 2019;(2):75-88
Abstract
BACKGROUND Sarcopenia is a pathophysiological condition diffused in elderly people; it represents a social issue due to the longer life expectancy and the growing aging population. It affects negatively quality of life and it represents a risk factor for other pathologies, such as diabetes, cardiovascular disease, and obesity. No silver bullet exists to hinder sarcopenia, but it may be counteracted by physical exercise, nutrition, and a proper endocrine milieu. Indeed, we aim to analyze the scientific literature to give to clinician effective advices to counteract sarcopenia. Main text: Physical exercise, proper nutrition, optimized hormonal homeostasis represent the three pillars to fight sarcopenia. Physical exercise represents the most effective remedy to face sarcopenia, in particular if it is combined with a proper diet and with an adequate endocrine milieu. Consistency in training, adequate daily protein intake and eugonadism seems to be the keys to fight sarcopenia. The combination of these three pillars might act synergistically. CONCLUSIONS Optimization of these factors may increase their efficiency; however, scientific data may be sometimes confusing so far. Therefore, we aim to give practical advices to clinician to identify and to highlight the most important aspects in each of these three factors that should be addressed.
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Baseline Dietary Intake of Individuals with Spinal Cord Injury Who Are Overweight or Obese.
Silveira, SL, Winter, LL, Clark, R, Ledoux, T, Robinson-Whelen, S
Journal of the Academy of Nutrition and Dietetics. 2019;(2):301-309
Abstract
BACKGROUND Individuals with spinal cord injury (SCI) experience significant secondary health conditions including excess adiposity. Dietary guidelines for individuals with chronic SCI do not exist. OBJECTIVE To describe baseline dietary intake and quality based on conformance with dietary recommendations in participants enrolled in GoHealthySCI, a weight loss intervention for individuals with SCI, which promotes lifestyle change. DESIGN Cross-sectional analyses were conducted on data collected from April through August 2017 in a randomized pilot study. PARTICIPANTS Thirty-seven participants enrolled in the study in Houston, TX. All participants were at least 1 year post injury with a self-reported body mass index (calculated as kg/m2) ≥23. The racially/ethnically diverse sample was predominantly male (n=23), average age was 41.8±13.5 years, and average number of years since injury was 18.1±14.9. Participants varied in terms of level of injury; 19 participants identified as having tetraplegia and 19 identified as having paraplegia. MAIN OUTCOME MEASURES The Automated Self-Administered 24-Hour Recall dietary assessment was used to obtain baseline dietary intake data. Participants reported food intake on 3 nonconsecutive days. STATISTICAL ANALYSIS Descriptive statistics were conducted for the primary research objectives. Mean macronutrient and micronutrient intake and Healthy Eating Index-2015 total and component scores are described. RESULTS Average daily energy intake was 1618±434 kcal. Daily intakes of whole fruits (0.6±0.7 cups), vegetables (1.6±0.9 cups), and whole grains (15%) of total grains were lower than recommendations from the 2015-2020 Dietary Guidelines for Americans. Average daily fiber (15.0g±6.0) met the Academy of Nutrition and Dietetics Evidence Analysis Library minimum target range for individuals with SCI. All percentages of calories from macronutrients were within the acceptable macronutrient distribution ranges: total fat (34.3%±6.2%), protein (16.7%±4.2%), and carbohydrate (49.3%±8.4%). Mean Healthy Eating Index-2015 score was 54.4. CONCLUSIONS This study provides a description of dietary intake by individuals with SCI who are overweight or obese. Although macronutrients are within the acceptable distribution range, calories from fat are at the high end and those from protein are at the low end of those ranges. In addition, on average, individuals reported inadequate intake of fruits, vegetables, whole grains, fiber, seafood and plant protein, and healthy fats and excess intake of added sugars and saturated fat. Results provide preliminary evidence of dietary inadequacies and suggest that larger studies examining dietary intake are warranted.
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[Influence of physical activity on the quality of life of overweight or obese children].
Aguilar-Cordero, MJ, Rodríguez-Blanque, R, Menor-Rodríguez, MJ, Guisado-Barrilao, R, León-Ríos, X, Sánchez-López, AM
Salud publica de Mexico. 2019;(4):550-551
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Impact of pleasure-oriented messages on food choices: is it more effective than traditional health-oriented messages to promote healthy eating?
Trudel-Guy, C, Bédard, A, Corneau, L, Bélanger-Gravel, A, Desroches, S, Bégin, C, Provencher, V, Lemieux, S
Appetite. 2019;:104392
Abstract
Some authors have suggested that eating pleasure is underused to promote healthy eating. However, little is known about the potential of pleasure-oriented messages to lead to healthier food choices. The aim of this study was to examine the effects of pleasure- and health-oriented messages on food choices made from a buffet. One hundred and ninety-eight participants (50% women), unaware of the real objective of the study, were randomized in three groups: 1) pleasure, 2) health, and 3) control. They first completed three 24 h food recalls to assess their overall diet quality using the Canadian Healthy Eating Index (C-HEI; score: 0 to 100). Thereafter, participants came to the research institute and those randomized in the "pleasure" and "health" groups read a leaflet on healthy eating, using either a pleasure or a health orientation respectively. Participants in the control group had no leaflet to read. All participants had subsequently to choose four food items in a buffet offering both healthy and unhealthy foods. Results showed a group by diet quality interaction (p = 0.02). Among participants with lower diet quality (C-HEI score below 50), those in the pleasure and health groups were more likely than participants in the control group to choose a healthier main course (prevalence ratios (PR) 1.71, 95% CI 1.12-2.62 and 1.83, 95% CI 1.21-2.77 for the pleasure and health group respectively) and a healthier beverage (PR 1.67, 95% CI 1.02-2.71 and 1.66, 95% CI 1.02-2.72, respectively). No such effect was observed among participants with higher C-HEI scores. In conclusion, our results suggest that in people with sub-optimal dietary habits, pleasure-oriented messages and traditional health messages are both useful to favor healthy main course and beverage choices.