To determine the independent associations of dietary preference for fat with obesity without the confounding by genetic effects.
Descriptive comparison of the responses of monozygotic twins discordant for obesity to questions concerning current and past preference for dietary fat, current overconsumption of fatty items and recalled food consumption compared to the co-twin.
The Research and Development Centre of the Social Insurance Institution, Finland.
Twenty-three healthy monozygotic twin pairs who were discordant for obesity (BMI difference at least 3 kg/m(2)).
Obesity status of the twin, as a function of the current and recalled dietary preferences and selected psychosocial variables.
The obese twins reported current preference for fatty foods three times more frequently than the lean co-twin. Moreover, when comparing recalled taste for fat at the time the twins left their parental homes, both the obese and lean co-twins consistently recalled that the obese twin had greater preference for fatty foods in young adulthood, and that the lean twin had less. Psychological characteristics of lean and obese co-twins did not differ.
Acquired preference for fatty foods is associated with obesity, independent of genetic background. Modification of fat preferences may be an important step in the prevention of obesity in the general population.
OBJECTIVE: To estimate flavonoid intake in the Australian population. DESIGN: Flavonoid consumption was estimated from 24-hour recall data and apparent consumption data using US Department of Agriculture flavonoid composition data. SUBJECTS: The National Nutrition Survey 1995 assessed dietary intake (24-hour recall) in a representative sample (n=13,858) of the Australian population aged 2 years and over. RESULTS: Analysis of the 24-hour recall data indicated an average adult intake (>18 years) of 454 mg day(-1) (92% being flavan-3-ols). Apple was the highest quercetin source until age 16-18 years, after which onion became an increasingly important prominent source. Variations in hesperetin consumption reflected orange intake. Apple, apricot and grapes were the major sources of epicatechin and catechin for children, but subsided as wine consumption increased in adulthood. Wine was the main source of malvidin. Naringenin intake remained static as a percentage of total flavonoid intake until age 19-24 years, corresponding to orange intake, and then increased with age from 19-24 years, corresponding to grapefruit intake. Apparent dietary flavonoid consumption was 351 mg person(-1) day(-1), of which 75% were flavan-3-ols. Black tea was the major flavonoid source (predominantly flavan-3-ols) representing 70% of total intake. Hesperetin and naringenin were the next most highly consumed flavonoids, reflecting orange intake. Both 24-hour recall and apparent consumption data indicated that apigenin intake was markedly higher in Australia than reported in either the USA or Denmark, presumably due to differences in consumption data for leaf and stalk vegetables and parsley. CONCLUSIONS: Tea was the major dietary flavonoid source in Australia. Flavonoid consumption profiles and flavonoid sources varied according to age. More consistent methodologies, survey tools validated for specific flavonoid intakes and enhanced local flavonoid content data for foods would facilitate better international comparisons of flavonoid intake.
Socio-economic disparities in nutrition have been documented in numerous countries, and have been linked to health inequalities. Social and economic policy changes occurring over the last several years have resulted in growing levels of income inequality in many countries. However, the extent to which these temporal changes have affected nutrition disparities is largely unknown. Our research examined income-related disparities in the nutritional quality of food selections among Canadian households from 1986 to 2001. Data from the 1986, 1992, 1996 and 2001 Family Food Expenditure surveys were pooled together (n=35048). The relationships between household income and the nutritional quality of food purchases (considering nutrients both as absolute amounts and adjusted for energy, and total energy density) were estimated using general linear models, including tests of significance for differences across the survey years. Results revealed significant positive relationships between income and most nutrients, which persisted over time, and for some nutrients grew stronger. One exception was folate, where the positive relationship between income and folate (independent of energy) was no longer apparent in 2001; this could be attributed to the mandatory fortification of some cereal grain products with folic acid, which came into effect in 1998, resulting in greater availability of folate from grain products. There was also a significant negative relationship between income and total energy density (ratio of food energy to food weight), which persisted across the survey years. At a time of growing income inequality and worsening problems of poverty, food policy makers need to pay attention to the potential for policy interventions to exacerbate or improve nutrition disparities.
Unhealthy food in advertising has been suggested as a mediator for the increase in diet-related illness. This study quantitatively investigates changes in food advertising between 1995 and 2014 in terms of food categories promoted, macronutrient content, and percentage of foods classified as heathy or unhealthy from a sample of 7,199 ads from three Swedish food magazines. With the exception of increased alcoholic beverage and decreased carbohydrate-rich-food promotion, no monotonic trends of increasingly unhealthy food advertisement are found. From these findings, it is argued that food magazine advertising is not a mediator of the adverse dietary trend.
According to recent literature, delivering chilled Meals on Wheels to seniors increases food quality and safety. The purpose of this study was to determine the acceptability and/or feasibility of a cook-chill delivery system for participants in the Maimonides Geriatric Centre Meals on Wheels program in Montreal, Quebec. The authors also evaluated whether the meal was eaten upon delivery, documented where the meal was stored if consumption was delayed, determined what cooking/heating appliances were used and if the recipients were capable of heating up their meals, and assessed preferences for receiving chilled versus hot meals. Upon receiving the meal, 89% of the 60 seniors did not eat it immediately. Those who ate the meal later stored it in the refrigerator. All had some appliance available to heat the delivered meal; 55% used a microwave. Approximately 75% did not object to receiving meals chilled. The majority of recipients did not require delivery of hot meals, as most delayed consuming the meal until later in the day. Other meal-delivery program planners can use these findings when deciding if a cook-chill system is appropriate for their client populations.
OBJECTIVE: To compare the diet history (DH) method to an estimated 7-day record (7-d) concerning meal pattern and intake of foods, energy and nutrients. DESIGN: After the DH interview, subjects completed the 7-d. SETTING: School setting, Göteborg, Sweden. SUBJECTS: A total of 51 adolescent girls (15-16 y) recruited from 634 girls participating in The Göteborg Adolescence Study. RESULTS: Two-thirds of the girls had identical or similar main meal pattern, while the number of in-between meals was higher using DH (P
To determine (i) the importance of parents’ motives for everyday family food choices; and (ii) the relationship between parental food choice motives and eating patterns of 12- to 13-year-old children.
Cross-sectional study. A modified version of the Food Choice Questionnaire was used to determine parental motives for food choices. The children’s food and drink intake was reported by their parents using a retrospective FFQ. Eating patterns were derived using principal component analysis. The association between food choice motives and eating patterns was examined using multiple linear regression analysis.
Primary schools, Telemark County, Norway.
In total, 1095 children aged 12–13 years and their parents.
The parental motive ‘sensory appeal’ was the most important for food choice, followed by ‘health’, ‘convenience’, ‘natural content’ and ‘weight control’. The food choice motives were associated with the eating patterns of the children, independent of background variables. The motive ‘health’ was most strongly associated with a ‘varied Norwegian’ eating pattern, representing a diverse diet and regular meals, while the motive ‘convenience’ appeared to be the most important barrier to this eating pattern. ‘Weight control’ was not associated with the ‘varied Norwegian’ eating pattern.
To encourage parents to make healthy food choices for their children, health promotion activities should focus on the health benefits of a diverse diet and regular meals, rather than weight control. Recommended food products should be made more convenient and easily available for families with children.
Department of Psychiatry and Neurology, McGill University, Douglas Mental Health University Institute, Canada; Departamento de Pediatria, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul Ramiro Barcelos, 2350 Largo Eduardo Zaccaro Faraco, 90035-903 Porto Alegre, RS, Brazil. Electronic address: email@example.com.
Studies in adults show associations between the hypofunctional seven-repeat allele (7R) of the dopamine-4 receptor gene (DRD4), increased eating behaviour and/or obesity, particularly in females. We examined whether 7R is associated with total caloric intake and/or food choices in pre-schoolers.
150 four-year-old children taking part in a birth cohort study in Canada were administered a snack test meal in a laboratory setting. Mothers also filled out a food frequency questionnaire to address childrens' habitual food consumption. Total caloric and individual macronutrient intakes during the snack meal and specific types of foods as reported in the food diaries were compared across 7R allele carriers vs. non-carriers, using current BMI as a co-variate.
We found significant sex by genotype interactions for fat and protein intake during the snack test. Post hoc testing revealed that in girls, but not boys, 7R carriers ate more fat and protein than did non-carriers. Based on the food diaries, across both sexes, 7R carriers consumed more portions of ice cream and less vegetables, eggs, nuts and whole bread, suggesting a less healthy pattern of habitual food consumption.
The 7R allele of DRD4 influences macronutrient intakes and specific food choices as early as four years of age. The specific pattern of results further suggests that prior associations between the 7R allele and adult overeating/obesity may originate in food choices observable in the preschool years. Longitudinal follow-up of these children will help establish the relevance of these findings for obesity risk and prevention.
Unhealthy diet has been associated with obesity. Evening type has been associated with unhealthier food and nutrient intake that could predict a higher risk of obesity among them as compared to morning type. However, thus far no study has examined the interrelationships between chronotype, a healthy diet and obesity. We examined whether a healthy diet mediates the association between chronotype and obesity and whether chronotype modifies the association between a healthy and obesity. The National FINRISK 2007 Study included 4421 subjects aged 25-74 years. Diet was assessed using a validated food frequency questionnaire. Baltic Sea diet score (BSDS), including nine dietary components, was used as a measure of adherence to a healthy Nordic diet. Weight, height, body fat percentage and waist circumference were measured, and body mass index values were calculated. Chronotype was assessed using a shortened version of Horne and Östberg's morningness-eveningness questionnaire (MEQ). The sum score calculated from MEQ was either used as a continuous variable or divided into tertiles of which the lowest tertile demonstrated evening preference and the highest tertile demonstrated morning preference. A series of regression analyses were conducted to determine whether the BSDS mediates the association between chronotype and obesity. Likelihood ratio test was used to determine whether chronotype modifies the association between the BSDS and the obesity measures. After testing the interaction, chronotype-stratified analysis for the association between the BSDS and obesity measures was determined by linear regression. Generally, the evening types had lower adherence to the BSDS and were more often smokers (men), physically inactive and had lower perceived health than the other chronotypes (p 0.05). No evidence that chronotype would modify the association between the BSDS and obesity was found either (p > 0.05).
First, to explore item pools developed to measure the physical home environment of pre-school children and assess the psychometric properties of these item pools; second, to explore associations between this environment and vegetable consumption among Norwegian 3-5-year-olds.
Data were collected in three steps: (i) a parental web-based questionnaire assessing the child's vegetable intake and factors potentially influencing the child's vegetable consumption; (ii) direct observation of the children's fruit, berry and vegetable intakes at two meals in one day in the kindergarten; and (iii) a parental web-based 24 h recall.
The target group for this study was pre-school children born in 2010 and 2011, attending public or private kindergartens in the counties of Vestfold and Buskerud, Norway.
A total of 633 children participated.
Principal component analysis on the thirteen-item pool assessing availability/accessibility resulted in two factors labelled 'availability at home' and 'accessibility at home', while the eight-item pool assessing barriers resulted in two factors labelled 'serving barriers' and 'purchase barriers'. The psychometric properties of these factors were satisfactory. Linear regression of the associations between vegetable intake and the factors showed generally positive associations with 'availability at home' and 'accessibility at home' and negative associations with 'serving barriers'.
This age group has so far been understudied and there is a need for comparable studies. Our findings highlight the importance of targeting the physical home environment of pre-school children in future interventions as there are important modifiable factors that both promote and hinder vegetable consumption in this environment.