Energy Intake Of Participants Research Articles

The Impact of Inadequate Energy Intake on Readmission Burden of Patients With Heart Failure.

Adequate energy intake is essential for good clinical outcomes. The association between energy intake and readmission burden of patients with heart failure (HF) still needs to be clarified. In this study, our aim was to determine the association between energy intake and readmission in patients with HF. A total of 311 inpatients with HF were recruited. Demographic and clinical information were collected during hospitalization; the daily diets of the participants were collected in the second week after discharge using the 3-day diet record, and the energy intake was calculated using a standardized nutrition calculator. The inadequate energy intake was defined as <70% × 25 kcal/kg of ideal body weight. The participants were followed up for 12 weeks after discharge. The number, reasons, and length of stay of unplanned readmissions were collected. Regression analyses were used to evaluate the associations between inadequate energy intake, and readmission rate and readmission days. The median of the energy intake of participants was 1032 (interquartile range, 809-1266) kcal/d. The prevalence of inadequate energy intake was 40%. Patients with inadequate energy intake had a higher risk of unplanned readmission (odds ratio, 5.616; 95% confidence interval, 3.015-10.462; P < .001) and more readmission days (incidence rate ratio, 5.226; 95% confidence interval, 3.829-7.134, P < .001) after adjusting for potential confounders. Patients with HF had a high incidence of inadequate dietary energy intake, and it increases the burden of readmission.

Association between adherence to the MIND diet and overweight and obesity in children: An exploratory study.

Childhood obesity is concerning as it is highly prevalent worldwide and has long-term health implications in adulthood. Recently, the MIND diet was created to encourage a brain-healthy diet and focuses on plant-based eating. The relationship between the MIND diet and childhood obesity is not well understood. The objective of this study was to evaluate the association between adherence to the MIND diet and overweight and obesity in children. Data from a population-based cross-sectional study (n=788 children aged 6 years) in Tehran, Iran was used. A 168-item semi-quantitative food frequency questionnaire was used to evaluate dietary intake. The MIND diet scores were calculated and anthropometric measurements were completed for all children. Odds ratios and 95% confidence intervals (CI) for overweight and obesity across tertiles of MIND diet scores were estimated using logistic regression analyses, adjusted for energy intake, socioeconomic status, and physical activity. The mean weight, height, BMI, and total energy intake of participants were 20.85+2.35kg, 113.75+2.00cm, 16.12+1.84kg/m2, and 1014.74+259.16 (kcal/d), respectively. There was an inverse association between the MIND diet score and overweight (OR=0.0.55, 95% CI: 0.38-0.81; P-trend=0.002) and overweight/obesity (OR=0.59, 95% CI: 0.41-0.86; P-trend=0.006). Higher adherence to the MIND diet may lower the risk of overweight and overweight/obesity in children. Future studies using prospective study designs are needed to confirm these findings.

The Combined Effects of Aspartame and Acesulfame-K Blends on Appetite: A Systematic Review and Meta-Analysis of Randomized Clinical Trials.

Aspartame (Asp) and acesulfame-K (Ace-K) are nonnutritive sweeteners (NNSs) commonly used in combination to replace added sugars in reduced- or low-calorie foods and beverages. Despite Asp/Ace-K blends having negligible calories, their effects on appetite have not been reviewed systematically. We therefore undertook a systematic review and meta-analysis of the metabolic effects of Asp/Ace-K blends on energy intake (EI), subjective appetite scores, blood glucose, and the incretin hormones glucose-dependent insulinotropic peptide and glucagon-like peptide. MEDLINE, Web of Science, and Cochrane CENTRAL databases (Embase, PubMed, and CINAHL) were searched (May 2021) for randomized controlled trials (RCTs). Human RCTs using Asp/Ace-K blends compared with sugar and water controls were included, whereas isolated cell and animal studies were excluded. An overall 4829 publications were identified and 8 studies, including 274 participants, were retrieved for review. The Asp/Ace-K group's EI was significantly reduced compared with sugar [mean difference (MD): -196.56kcal/meal; 95% CI: -332.01, -61.11kcal/meal; P=0.004] and water (MD: -213.42kcal/meal; 95% CI: -345.4, -81.44kcal/meal; P=0.002). Meta-analysis of subjective appetite scores and incretins could not be undertaken due to inconsistencies in data reporting and insufficient data, respectively, but of the 4 studies identified, no differences were observed between Asp/Ace-K blends and controls. The Asp/Ace-K group's blood glucose was nonsignificantly reduced compared with sugar (MD: -1.48mmol/L; 95% CI: -3.26, 0.3mmol/L; P=0.1) and water (MD: -0.08mmol/L; 95% CI: -0.62, 0.47mmol/L; P=0.78). Lower EI in participants who were predominantly healthy and assigned to Asp/Ace-K blends could not be reliably attributed to changes in subjective appetite scores. Blood glucose and incretins were also generally not affected by Asp/Ace-K blends when compared with controls. Additional short- and long-term RCTs using NNSs and sugars at dietarily relevant levels are needed. This trial was registered at the International Prospective Register of Systematic Reviews (PROSPERO: CRD42017061015).

The impact of increasing the availability of lower energy foods for home delivery and socio-economic position: a randomised control trial examining effects on meal energy intake and later energy intake.

Increasing the availability of lower energy food options is a promising public health approach. However, it is unclear the extent to which availability interventions may result in consumers later 'compensating' for reductions in energy intake caused by selecting lower energy food options and to what extent these effects may differ based on socio-economic position (SEP). Our objective was to examine the impact of increasing availability of lower energy meal options on immediate meal energy intake and subsequent energy intake in participants of higher v. lower SEP. In a within-subjects design, seventy-seven UK adults ordered meals from a supermarket ready meal menu with standard (30 %) and increased (70 %) availability of lower energy options. The meals were delivered to be consumed at home, with meal intake measured using the Digital Photography of Foods Method. Post-meal compensation was measured using food diaries to determine self-reported energy intake after the meal and the next day. Participants consumed significantly less energy (196 kcal (820 kJ), 95 % CI 138, 252) from the menu with increased availability of lower energy options v. the standard availability menu (P < 0·001). There was no statistically significant evidence that this reduction in energy intake was substantially compensated for (33 % compensated, P = 0·57). The effects of increasing availability of lower energy food items were similar in participants from lower and higher SEP. Increasing the availability of lower energy food options is likely to be an effective and equitable approach to reducing energy intake which may contribute to improving diet and population health.

Association of fasting Orexin-A levels with energy intake at breakfast and subsequent snack in Chilean adolescents

Orexin-A, a hormone secreted by orexin neurons, is involved in caloric-intake regulation. Current understanding is based primarily on animal studies. Studies of orexin in humans are scarce, and to our knowledge there are no prior studies in adolescents. We studied fasting Orexin-A levels related to energy intake at breakfast and a subsequent snack in adolescents (n = 668) from a longitudinal study in Chile. Body-Mass Index (BMI), components of the metabolic syndrome and fasting blood levels of leptin, insulin, ghrelin, and orexin-A were measured. Energy intake was calculated based on food weights before and after the standardized breakfast and subsequent snack. High energy intake was defined as ≥ 75th percentile. We assessed the relationship between orexin-A and high energy intake, adjusting for confounders. Higher orexin levels were associated with high breakfast energy intake (OR: 1.21; 95%CI: 0.98–1.49). Conversely, those with higher orexin levels showed a non-significant trend for lower odds of high energy intake for the snack (OR: 0.87; 95%CI: 0.70–1.07). There was a significant interaction between high breakfast energy intake and orexin levels. Those who ate more calories at breakfast displayed a lower inhibitory effect of orexin on eating at the snack (p < 0.05). There was no significant interaction between weight status and orexin. In conclusion, orexin-A levels were associated with breakfast energy intake and inversely related with subsequent snack energy intake in participants whose caloric intake at breakfast was within the normal range. Based on these findings, it appears that the association of orexin-A with energy intake depends on eating behavior.

Association of fasting orexin-A levels with energy intake at breakfast and subsequent snack in Chilean adolescents

Orexin-A, a hormone secreted by orexin neurons, is involved in caloric-intake regulation. Current understanding is based primarily on animal studies. Studies of orexin in humans are scarce, and to our knowledge there are no prior studies in adolescents. We studied fasting Orexin-A levels related to energy intake at breakfast and a subsequent snack in adolescents (n = 668) from a longitudinal study in Chile. Body-Mass Index (BMI), components of the metabolic syndrome and fasting blood levels of leptin, insulin, ghrelin, and orexin-A were measured. Energy intake was calculated based on food weights before and after the standardized breakfast and subsequent snack. High energy intake was defined as ≥ 75th percentile. We assessed the relationship between orexin-A and high energy intake, adjusting for confounders. Higher orexin levels were associated with high breakfast energy intake (OR: 1.21; 95%CI: 0.98–1.49). Conversely, those with higher orexin levels showed a non-significant trend for lower odds of high energy intake for the snack (OR: 0.87; 95%CI: 0.70–1.07). There was a significant interaction between high breakfast energy intake and orexin levels. Those who ate more calories at breakfast displayed a lower inhibitory effect of orexin on eating at the snack (p < 0.05). There was no significant interaction between weight status and orexin. In conclusion, orexin-A levels were associated with breakfast energy intake and inversely related with subsequent snack energy intake in participants whose caloric intake at breakfast was within the normal range. Based on these findings, it appears that the association of orexin-A with energy intake depends on eating behavior.

Association of number of bites and eating speed with energy intake: Wearable technology results under free-living conditions

Personalized weight management strategies are gaining interest. However, knowledge is limited regarding eating habits and association with energy intake, and current technologies limit assessment in free-living situations. We assessed associations between eating behavior and time of day with energy intake using a wearable camera under free-living conditions and explored if obesity modifies the associations. Sixteen participants (50% with obesity) recorded free-living eating behaviors using a wearable fish-eye camera for 14 days. Videos were viewed by trained annotators who confirmed number of bites, eating speed, and time of day for each eating episode. Energy intake was determined by a trained dietitian performing 24-h diet recalls. Greater number of bites, reduced eating speed, and increased BMI significantly predicted higher energy intake among all participants (P < 0.05, each). There were no significant interactions between obesity and number of bites, eating speed, or time of day (p > 0.05). Greater number of bites and reduced eating speed were significantly associated with higher energy intake in participants without obesity. Results show that under free-living conditions, more bites and slower eating speed predicted higher energy intake when examining consumption of foods with beverages. Obesity did not modify these associations. Findings highlight how eating behaviors can impact energy balance and can inform weight management interventions using wearable technology.

Individual differences and moderating participant characteristics in the effect of reducing portion size on meal energy intake: Pooled analysis of three randomized controlled trials

Portion size impacts on the amount of energy consumed during a meal. However, research findings on participant characteristics that moderate the effect of portion size on energy intake are mixed. Using data pooled across three randomized control trials, we examined the impact of reducing meal portion size on meal energy intake in 111 adult participants varying in sex (55 M, 56 F), body weight (BMI range = 19–42) and a broad range of participant characteristics, including usual portion size, restrained, emotional and external eating, satiety responsiveness, plate clearing tendencies, concerns about wasting food and self-control. In each trial, a repeated-measures design was used and participants consumed three ad-libitum lunchtime meals differing in portion size; large-normal portion size condition (100%) vs. small-normal portion size condition (~ 75%) vs. smaller than normal portion size condition (~ 50%). In mixed ANOVAs, we did not find convincing evidence that any participant characteristic reliably moderated the impact that reducing portion size had on energy intake. For the majority of participants energy intake decreased when portion size was reduced and it was more common for participants to consistently reduce their energy intake than consume a similar amount when portion size was reduced. We also found little evidence that a sub-group of participants existed whose energy intake was consistently resistant to portion size reductions. Portion size may be a universal driver of energy intake, as reducing meal portion size appears to decrease meal energy intake among most people. Food portion downsizing may therefore be an equitable intervention approach to reducing population level energy intake.

Cross-sectional analysis of the health profile and dietary intake of a sample of Canadian adults diagnosed with non-alcoholic fatty liver disease

BackgroundDietary intake is an important factor in the development and management of non-alcoholic fatty liver disease (NAFLD); however, optimal dietary composition remains unclear. Moreover, there is minimal evidence on the relationship between dietary intake and markers of liver health in Canadian adults diagnosed with NAFLD.ObjectiveThe aim of this study is to characterize the dietary intake of a sample of Canadian adults diagnosed with NAFLD and examine the correlations with markers of liver health.DesignForty-two adults recruited from the community and hepatology clinics in Calgary, Canada from 2016 to 2019 completed a 3-day food record. Anthropometrics, blood biomarkers, liver stiffness (FibroScan), and liver fat (magnetic resonance imaging) were measured. Nutrient intake was compared with the data from the 2004 and 2015 Canadian Community Health Surveys. Relationships were assessed using Pearson’s correlation and regression analysis.ResultsRelative to Canadian dietary recommendations, participants consumed lower magnesium, fiber, calcium, vitamin D, and vitamin E, and higher cholesterol, saturated fat, total fat, fructose, iron, vitamin B12, selenium, phosphorus, and sodium. Compared with the national average, participants consumed more energy, fiber, sodium, total fat, and saturated fat. Systolic blood pressure (P = 0.012), serum α-2 macroglobulin (P = 0.008), carbohydrate (P = 0.022), total fat (P = 0.029), and saturated fat intakes (P = 0.029) were associated with FibroScan scores. Liver fat was correlated with serum triglycerides (P < 0.001), trunk fat (P = 0.029), added sugar (P = 0.042), phosphorus (P = 0.017), and magnesium intake (P = 0.013). In females, selenium intake was associated with liver fat (P = 0.015) and FibroScan score (P = 0.05), while in males, liver fat was associated with trunk fat (P = 0.004), body weight (P = 0.004), high-density lipoprotein (P < 0.001), and fructose intake (P = 0.037). Regression analysis showed that increasing magnesium intake corresponds to a decrease in liver fat.ConclusionDespite the higher energy intake of participants, overall nutrient intake is low, suggesting lower diet quality. Associations between select micronutrients and liver health markers warrant further investigation.

Bite count rates in free-living individuals: new insights from a portable sensor

BackgroundConclusions regarding bite count rates and body mass index (BMI) in free-living populations have primarily relied on self-report. The objective of this exploratory study was to compare the relationship between BMI and bite counts measured by a portable sensor called the Bite Counter in free-living populations and participants eating in residence.MethodsTwo previously conducted studies were analyzed for relationships between BMI and sensor evaluated bite count/min, and meal duration. Participants from the first study (N = 77) wore the bite counter in a free-living environment for a continuous period of 14 days. The second study (N = 214) collected bite count/min, meal duration, and total energy intake in participants who consumed one meal in a cafeteria. Linear regression was applied to examine relationships between BMI and bite count/min.ResultsThere was no significant correlation in the free-living participants average bite counts per second and BMI (R2 = 0.03, p = 0.14) and a significant negative correlation in the cafeteria participants (R2 = 0.04, p = 0.03) with higher bite count rates observed in lean versus obese participants. There was a significant correlation between average meal duration and BMI in the free-living participants (R2 = 0.08, p = 0.01). Total energy intake in the cafeteria participants was also significantly correlated to meal duration (R2 = 0.31, p < 0.001).ConclusionsWith additional novel applications of the Bite Counter, insights into free-living eating behavior may provide avenues for future interventions that are sustainable for long term application.

Assessment of the Contribution of Dietary and Beverage Intake Quality to Obesity Development

ABSTRACTObjective: Low dietary quality is an important indicator of unhealthy eating patterns that can lead to some consequences such as obesity, so policy is a very powerful tool that can affect the consumption of both healthy and unhealthy foods. Indices that assess whether nutritional policies are applied contribute to the assessment of the quality of the population's diet. This study was conducted to investigate the quality of diets and beverages consumed by Turkish adults, and the factors affecting them.Method: This cross-sectional descriptive study was conducted on 352 adults aged between 18 and 58 years. The quality of diet and beverage was measured through the Healthy Eating Index-2010 (HEI) and Healthy Beverage Index (HBI), respectively, using 2-day (weekday and weekend) dietary recall data.Results: The total HBI scores were 79.1 ± 11.8 and 81.0 ± 11.6; total HEI-2010 scores were 45.9 ± 12.3 and 52.3 ± 11.0, of men and women, respectively (p < 0.05). The women had significantly higher scores than that of the men in the HEI-2010 subcomponent of empty calories (p > 0.05). Sugar-sweetened beverage (HBI subcomponent) was significantly correlated with the scores of HEI-2010 and empty calorie (HEI-2010 subcomponent), as expected (p < 0.01). The caloric beverages contributed ∼133.6 kcal/d to the total caloric intake.Conclusions: The mean contribution of beverages to total daily energy intake of participants was found to be at the suggestion level. This result is rewarding when the relationship of sugar-sweetened beverages scores with the scores of HEI and empty calories is considered.

Vücut Geliştirme Sporu Yapan Erkeklerin Beslenme Alışkanlıkları ve Ergojenik Besin Destekleri Kullanma Durumları

Introduction and objective: Bodybuilding is a power sport that usually begins with the formation of body image and is carried out in the adolescent period and can be maintained long years. In this study it was aimed to determine the use of ergogenic nutritional supplements by those who participate in bodybuilding sports and to develop recommendations for nutrition. Methods: The sample of the research was composed of 111 volunteer men engaged in body building sports who registered in nine different sports centers in Ankara and were actively performing sports for a period of 4 days and at least 1-2 hours per week. Results: The data has been evaluated using appropriate statistical methods. The mean age of participants was 27.2±8.3 years. 88.3% of them stated that they were doing this sports as amateurs. It was determined that 34.2% of the individuals had been doing this sport at least 1 year, 48.6% of them had been doing 2-5 years, 13.5% of them had been doing 6-10 years and 3.6% of them had been doing for 11 years and more. On training days, the total energy intake of participants was 2982.3±1065.1 kcal / day, protein 236.8±129.7 g/day, fat 112.1±57.4 g/day, and CHO 236.6±100.8 g/day. It was determined that 81.2% of participants applied protein based diet, 6.2% applied carbohydrate based diet. As a result of the study, ergogenic nutrition supplement usage rates were 64.0%. Conclusion: People who are doing physical activity should be informed about ergogenic nutritional supplements which can contain prohibited substances and the risk of contamination with a doping agent. Coaches and sports instructors should avoid referrals in the use of these ergogenic nutritional supplements, and the athletes should be encouraged to take professional approaches

Effects of a Brief Mindful Eating Induction on Food Choices and Energy Intake: External Eating and Mindfulness State as Moderators

Mindfulness techniques have been shown to have protective effects on eating. However, no studies have been conducted on the effect of a single mindful eating (ME) induction on subsequent food choices and intake, and the way eating behaviors and the mindfulness state might moderate this effect. The objectives of the present study were to assess (1) the effect of an ME induction on food choices, intake, liking, and appetite, and (2) whether eating behaviors and the mindfulness state moderate the effect on intake. Seventy adult women (35.27 ± 1.27 years old; body mass index 22.79 ± 0.44 kg/m2) were invited to a tasting session. Participants in the mindful group received the instruction to taste the foods in a mindful manner (without meditation training). Participants in the control group were instructed to taste the foods with no specific recommendations. Afterwards, participants were offered an individual buffet-style snack containing the foods previously tasted. During this snack, the mindful group showed a reduced number of high-energy-dense food items eaten (p = .019) and a decreased energy intake (p = .024), compared to controls. No differences were found between groups on appetite and liking. Moderation analyses showed that the ME induction was able to reduce the total number of food items and energy intake in participants who combined higher levels of external eating and lower levels of mindfulness state. Results encourage the promotion of ME, particularly in external eaters with low mindfulness state levels, and they support ME as a strategy to promote healthy eating.

Reproducibility of the Online Food4Me Food-Frequency Questionnaire for Estimating Dietary Intakes across Europe

Background: Accurate dietary assessment is key to understanding nutrition-related outcomes and is essential for estimating dietary change in nutrition-based interventions.Objective: The objective of this study was to assess the pan-European reproducibility of the Food4Me food-frequency questionnaire (FFQ) in assessing the habitual diet of adults.Methods: Participants from the Food4Me study, a 6-mo, Internet-based, randomized controlled trial of personalized nutrition conducted in the United Kingdom, Ireland, Spain, Netherlands, Germany, Greece, and Poland, were included. Screening and baseline data (both collected before commencement of the intervention) were used in the present analyses, and participants were included only if they completed FFQs at screening and at baseline within a 1-mo timeframe before the commencement of the intervention. Sociodemographic (e.g., sex and country) and lifestyle [e.g., body mass index (BMI, in kg/m2) and physical activity] characteristics were collected. Linear regression, correlation coefficients, concordance (percentage) in quartile classification, and Bland-Altman plots for daily intakes were used to assess reproducibility.Results: In total, 567 participants (59% female), with a mean ± SD age of 38.7 ± 13.4 y and BMI of 25.4 ± 4.8, completed both FFQs within 1 mo (mean ± SD: 19.2 ± 6.2 d). Exact plus adjacent classification of total energy intake in participants was highest in Ireland (94%) and lowest in Poland (81%). Spearman correlation coefficients (ρ) in total energy intake between FFQs ranged from 0.50 for obese participants to 0.68 and 0.60 in normal-weight and overweight participants, respectively. Bland-Altman plots showed a mean difference between FFQs of 210 kcal/d, with the agreement deteriorating as energy intakes increased. There was little variation in reproducibility of total energy intakes between sex and age groups.Conclusions: The online Food4Me FFQ was shown to be reproducible across 7 European countries when administered within a 1-mo period to a large number of participants. The results support the utility of the online Food4Me FFQ as a reproducible tool across multiple European populations. This trial was registered atclinicaltrials.gov as NCT01530139.

Changes in dietary intake during Ramadan in north east of Iran population

Introduction: Ramadan is the holiest month in Islamic calendar and Muslims abstain from eating, drinking, and smoking from dawn to sunset, in which there are changes in quality of food and eating patterns. The purpose of this study was to know whether these changes provide nutritional needs, and supply all of necessary macronutrients for individuals in the month. Method: A prospective observational study was performed during Ramadan of 1429A.H (September, 2008) in Mashhad, Iran. Among 335 subjects enrolled for the study, 266 subjects met inclusion criteria. We used a semi-quantitative 302-item food frequency questionnaire (FFQ) that was self-administered and assessed the subject’s energy, macronutrient, and fiber intake over the previous three days. Dietary intake assessment was carried out one week before or after Ramadan and during the month. Results: Data showed that the amount of energy intake and macronutrients increased significantly in women and men less than 35 years during Ramadan, and also we found a significant difference in protein intake between males and females less than 35 years old out of Ramadan time. Conclusion: This study revealed that there was a significant increase in intake of energy and macronutrients in men and women less than 35 years that was mainly due to high consumption of carbohydrate during this month. In this study there was no change in energy intake of participants over 35 years old.

Restricting night-time eating reduces daily energy intake in healthy young men: a short-term cross-over study

Few experimental data are available to support the notion that reducing night-time eating changes total daily energy intake (EI) or body weight in healthy adults. The present study primarily examined the short-term effect of night eating restriction (NER) on daily EI in healthy young men. It secondarily examined body weight and moods associated with NER. Using a cross-over design, twenty-nine men (20·9 (sd 2·5) years; 24·4 (sd 2·5) kg/m²) initiated a 2-week NER intervention (elimination of EI from 19.00 to 06.00 hours) and a 2-week control condition, counterbalanced and separated by a 1-week washout period. EI and macronutrient intake were assessed using computerised, multiple-pass 24 h food recalls, body weight via a digital scale and mood using the Profile of Mood States survey. Of the twenty-nine participants, twenty-seven (93 %) completed all aspects of the study. During the NER condition, the participants consumed less total energy per d than during the control condition (10 125 v. 11 146 kJ/d; F= 6·41; P= 0·018). During the NER condition, no energy was reported consumed between 19.00 and 06.00 hours; however, during the control condition, the energy intake of participants was 2920 (sd 1347) kJ/d between 19.00 and 06.00 hours. There was a significant difference in weight change between the NER (-0·4 (sd 1·1) kg) and control (+0·6 (sd 0·9) kg) conditions (F= 22·68; P< 0·001). Differences in total mood score or mood subscales between the NER and control conditions were not apparent (P>0·05). These findings provide support for NER decreasing short-term EI in healthy young men.

Characteristics of under- and over-reporters of energy intake among 18–20-year-old males: the Gothenburg Osteoporosis and Obesity Determinants (GOOD) study

To identify and describe characteristics of the bias of reported energy intake of participants in the Gothenburg Osteoporosis and Obesity Determinants (GOOD) study. A validated diet history with a detailed questionnaire and an interview was used. Body fat was analysed by dual-energy X-ray absorptiometry. The ratio of energy intake (EI) to BMR was used to define under-reporters (EI:BMR<1.30), acceptable reporters (EI:BMR >or= 1.30 to <2.64) and over-reporters (EI:BMR >or= 2.64). Sahlgrenska University Hospital, Gothenburg, Sweden. A total of 695 males (18-20 years). Sixty-eight per cent were classed as acceptable reporters, 22% as over-reporters and 10% as under-reporters. The under-reporters had higher BMI and body fat percentage than acceptable reporters (P<0.001), while over-reporters had lower BMI and body fat percentage (P<0.001). Over-reporters had more frequent use of protein supplements than acceptable reporters and higher physical activity. Over-reporters had a more regular and under-reporters a less regular meal pattern compared with acceptable reporters. Important knowledge of dietary reporting bias in a previously sparsely studied population has been provided. Over-reporting of energy intake was more common than under-reporting in the present population of young men and characteristics of under- and over-reporters were identified. The GOOD study was initiated with the central aim to determine environmental and genetic factors involved in the regulation of bone and fat mass, and the nutrient data of the acceptable reporters can be used for further investigation of the health effects of energy and nutrient intake.