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To estimate the intakes of cereal and dairy products and their contribution to nutrient intakes in men and women from the Republic of Ireland with a view to formulating food-based dietary guidelines.
Design
The North/South Ireland Food Consumption Survey established a database of habitual food and drink consumption using a 7-day food diary. From this database all cereal and dairy products from recipes and identifiable sources were identified and a new database was generated from which analysis of the role of cereal and dairy products in the diet was carried out.
Results
Almost 100% of the population consumed cereal and dairy products over the course of the survey week. In general, men consumed significantly more cereal and dairy products than did women (P<0.05). Cereal products made an important contribution to the mean daily intakes of energy (26%), protein (21%), fat (13%), carbohydrate (41%), fibre (45%), iron (43%) and folate (27%). Dairy products also contributed largely to the mean daily intakes of energy (11%), protein (14%), fat (17%), calcium (48%), phosphorus (24%) and vitamin A (27%). Analysis of nutrient intakes across tertiles of cereal and dairy consumption showed that high consumers of wholemeal bread, breakfast cereals, reduced-fat milk and yoghurt had lower fat and higher carbohydrate, fibre and micronutrient intakes than low consumers of these foods.
Conclusions
Findings from the present study could be used to develop effective health strategies to implement changes in cereal and dairy consumption that could alter fat, fibre and micronutrient intakes in the diet.
To analyse the temporal distribution of the intake of cereal and dairy products in the Republic of Ireland.
Design
The North/South Ireland Food Consumption Survey established a database of habitual food and drink consumption using a 7-day food diary. The database also recorded the time and day of food consumption. Mean intakes of cereal and dairy products were calculated for time of the day and day of the week.
Results
At the weekend, the percentage of consumers decreased for nearly all cereal and dairy products. White bread, total cereals, full-fat milk and total dairy intakes were significantly lower at the weekend (P<0.01) compared with weekdays. Intakes of cereal and dairy products over time of the day showed clear mealtime or snacking patterns when the number of consumers was controlled for. White bread, wholemeal bread, total cereals, full-fat milk, reduced-fat milk and total dairy intakes showed mealtime peaks for morning, afternoon and evening. When examined by tertile of intake, tertile of percentage energy from fat and tertile of fibre intake, intakes of cereal and dairy products over time of the day and day of the week were similar to trends described above, regardless of the tertile.
Conclusions
Temporal analysis of the intakes of cereal and dairy products did not reveal any unusual trends in this population. However, the significant methodological issues raised in this paper will be of benefit to other aspects of research in this area.
To examine the temporal pattern of the number of eating occasions that occurred at home, at work and outside the home, and to examine the contribution of fat to energy and the contribution of 26 food groups to fat at home and outside the home.
Design and setting
Food intake data were collected using a 7-day food diary from a random sample of 18–64-year-old adults from the Republic of Ireland (n = 958). Respondents recorded the day, time and location of every eating occasion.
Results
The number of eating occasions was constant across the days of the week for meals consumed at home, whereas the number of eating occasions increased at weekends for meals outside the home. The contribution of fat to energy approximated the 35% recommendation at home from Monday to Friday, but increased above this on Saturday and Sunday. The contribution of fat to energy outside the home was always above the recommendation. The food groups that contributed most to fat were similar at home and outside the home. These included butter and full-fat spreads, fresh meat, meat products, meat dishes, biscuits, cakes and pastries, whole milk, and chips and processed potatoes.
Conclusion
The contribution of fat to energy was above the recommendations when eating outside the home, regardless of day of the week. A number of food groups have been identified that contributed most to fat intake outside the home and these might be targeted in developing public health nutrition strategies to reduce fat intake.
To examine the contribution of the food service sector to the nutrient quality of the Irish diet, and to compare intakes at home, work and outside the home (‘ut’) and within the subgroups of the out location (pub, deli, takeaway)
Design and setting
Random sample of adults from the Republic of Ireland. Food intake data were collected using a 7-day food diary. Respondents recorded the location of every eating occasion determined by where the food was prepared rather than consumed
Results
Intakes of energy, protein, fat and carbohydrate were significantly greater at home than at work or out (P <0.05). The intake of alcohol was significantly (P <0.001) greater out than at home or work. The percentage contribution of fat to energy was above the recommendations (33% of total energy and 35% of food energy) for both men and women at all locations, with the exception of the contribution of fat to total energy for men at the out location. Within the subgroups of the out location, the contribution of alcohol to total energy was greatest in pubs and the contribution of fat to both total and food energy was greatest in takeaways. Intakes of fibre and most micronutrients per 10 MJ of food energy were greater (P <0.05) at home than at work or out
Conclusion
Foods eaten outside the home contribute a disproportionately high level of fat intake and should be targeted in public health nutrition strategies
This study presents an overview of national nutrition action plans in the member states of the European Union (EU), before its enlargement in 2004. In addition, their compliance with key recommendations of the World Health Organization, as documented in the First Action Plan for Food and Nutrition Policy and the Global Strategy on Diet, Physical Activity and Health, has tentatively been evaluated on the basis of the policy documents published.
Design
Literature review of publicly available policy national plans on nutrition and physical activity.
Setting
Member states of the EU before enlargement in May 2004.
Results
The development of national nutrition action plans is gaining momentum. Six of the 15 EU member states – namely, Sweden, Finland, Denmark, France, The Netherlands and the UK – have an operational nutrition policy and four of them have published an elaborated description of their nutrition policy in English. By the end of 2004, another four countries are expected to have their plan finalised. The available nutrition action plans generally seem to comply with international recommendations, although large variations are observed between the member states in terms of terminology, nutritional recommendations, institutional framework, nutritional scope, social groups targeted and monitoring and evaluation structures.
Conclusions
Although the importance of nutritional surveillance, a comprehensive approach to nutritional problems and stakeholder involvement is recognised by the action plans, the justification for it is vaguely described. This paper advocates for proper evaluation and documentation of interventions in public health nutrition and nutrition policies.
To assess the dietary habits of Balearic Islands' consumers who are successful in meeting current nutritional recommendations, to find clues for the development of future food-based dietary guidelines (FBDG) that would be relevant to this population.
Design
Cross-sectional nutritional survey carried out in the Balearic Islands between 1999 and 2000.
Subjects and methods
Dietary habits were assessed by means of 24-hour recall (two non-consecutive days: warm and cold season) and a food-frequency questionnaire in a random sample (n = 1200, aged 16–65 years) living in private households. Differences in percentage of compliers with the intermediate nutritional objectives for the Spanish population and differences in food consumption patterns between genders and between high (above the upper quartile of intake) and low (below the lower quartile of intake) consumers of fat, saturated fatty acids (SFA), fibre, and fruit and vegetables were analysed.
Results
Gender differences were observed in nutrient and energy intakes, as well as in attainment of the recommendations. Less than 25% of the population reached the intermediate nutritional recommendations for iodine, fruit, carbohydrates, SFA, fibre and vegetables. Low fat/SFA and high fruit and vegetables/fibre consumers kept a diet in line with the traditional Balearic diet and prevailing dietary pyramids, which ensured better compliance with the nutritional goals.
Conclusions
The intermediate nutritional objectives for the Spanish population could be achieved through maintenance of the traditional Balearic diet, a Mediterranean-type diet in the Balearic population. Therefore, this dietary model could be used to develop FBDG relevant to this population.
To evaluate the current status of dietary intakes in early pubertal girls with a special focus on milk products.
Design
Cross-sectional data using 3-day food records.
Subjects
Eight hundred and sixty girls, aged 10–12 years, at Tanner maturation stage I-III.
Results
The mean consumption of milk products (620 g day−1) was similar to that of a Finnish study in the 1980s, while the consumption of non-milk drinks (403 gday−1) had increased. Twelve per cent of the girls had a dairy-restricted diet and consumed significantly less milk products than girls with a non-restricted diet (465 vs. 644 g day−1, P<0.001). Girls with low milk product consumption had the highest non-milk drinks consumption (P<0.001). The mean energy intake was 7.1 MJ day−1. No major changes were found in the sources of nutrients. The shares of energy for nutrients were close to recommendations except for saturated fat (13.9 vs. 10% of energy) and carbohydrates (51.5 vs. 55–60% of energy). The mean calcium intake (1117 mg day−1) was above the recommendation, while the vitamin D intake (3.1 μg day−1) of 88% of the girls was below the recommendation.
Conclusions
The diet quality of early pubertal girls is close to the recommendations and has improved with respect to fat compared with the 1980s. Consumption of milk products is high although the consumption of non-milk drinks has increased. We found a subgroup of girls who compensate their low milk product consumption with a higher consumption of non-milk drinks. Following a dairy-restricted diet is the main reason for low consumption of milk products.
The role played by lay knowledge in understanding health inequalities has received increased interest recently. Very little is known, however, about how lay knowledge of food and health varies across social class. The present exploratory study compared and contrasted ways in which people from different social backgrounds draw on and use different forms of lay knowledge about food and health.
Method
Parents from 40 families were recruited from two socio-economically different suburbs (20 families from each suburb). In-depth interviews were conducted with the mother and father in each family to examine lay knowledge about food and health. All interviews were transcribed and coded for specific themes. Responses from each suburb were compared and contrasted.
Results
Different forms of lay knowledge about food and health were noted, especially concerning children's eating habits. Parents in the high-income suburb were more likely to discuss food and health in technical terms informed by contemporary nutritional or medical priorities. Parents in the low-income suburb did not share this discourse, but instead were more likely to discuss food in terms related to children's outward appearance or functional capacity.
Conclusions and implications
The research highlights differences in lay knowledge about food and health across social class. It emphasises the need for public health nutrition policy-makers and practitioners to pay attention to lay knowledge on its own terms, rather than attempting to educate from predetermined assumptions, principles and standards.
To evaluate responses to self-administered brief questions regarding consumption of vegetables and fruit by comparison with blood levels of serum carotenoids and red-cell folate.
Design
A cross-sectional study in which participants reported their usual intake of fruit and vegetables in servings per day, and serum levels of five carotenoids (α-carotene, β-carotene, β-cryptoxanthin, lutein/zeaxanthin and lycopene) and red-cell folate were measured. Serum carotenoid levels were determined by high-performance liquid chromatography, and red-cell folate by an automated immunoassay system.
Settings and subjects
Between October and December 2000, a sample of 1598 adults aged 25 years and over, from six randomly selected urban centres in Queensland, Australia, were examined as part of a national study conducted to determine the prevalence of diabetes and associated cardiovascular risk factors.
Results
Statistically significant (P<0.01) associations with vegetable and fruit intake (categorised into groups: ≤1 serving, 2–3 servings and ≥4 servings per day) were observed for α-carotene, β-carotene, β-cryptoxanthin, lutein/zeaxanthin and red-cell folate. The mean level of these carotenoids and of red-cell folate increased with increasing frequency of reported servings of vegetables and fruit, both before and after adjusting for potential confounding factors. A significant association with lycopene was observed only for vegetable intake before adjusting for confounders.
Conclusions
These data indicate that brief questions may be a simple and valuable tool for monitoring vegetable and fruit intake in this population.
Adequate fruit and vegetable intake has been suggested to protect against colorectal cancer. However, several recent prospective studies have reported no association. We therefore examined the association between fruit and vegetable intakes and the risk of colorectal cancer in a prospective cohort study in Japan.
Design
Between June and August 1990, 47 605 Japanese men and women completed a self-administered questionnaire, including a food-frequency questionnaire. We divided the subjects into quartiles based on their self-reported fruit and vegetable consumption. There were 165 colon cancer and 110 rectal cancer incidences identified during 7 years of follow-up, to the end of December 1997. We used Cox proportional hazards models to estimate the relative risk (RR) of developing colorectal cancer according to the level of fruit and vegetable consumption, applying adjustments for potential confounders.
Results
No statistically significant association was observed between fruit and vegetable consumption and the risk of colorectal cancer. The multivariate RR of colon cancer in the highest quartile of fruit and vegetable intake compared with the lowest was 1.13 (95% confidence interval (CI) 0.73–1.75), the RR for vegetables alone was 1.24 (95% CI 0.79–1.95) and that for fruit alone was 1.45 (95% CI 0.85–2.47). The corresponding multivariate RRs for rectal cancer were 1.12 (95% CI 0.67–1.89), 1.14 (95% CI 0.67–1.93) and 1.41 (95% CI 0.73–2.73).
Conclusions
We found no association between the consumption of fruit and vegetables and the risk of colorectal cancer among the Japanese population.
Alcohol consumption may play a role in the development of obesity but the relationship between alcohol and weight is still unclear. The aim of our study was to assess the cross-sectional association of intakes of total alcohol and of specific alcoholic beverages (wine, beer and spirits) with waist-to-hip ratio (WHR) and body mass index (BMI) in a large sample of adults from all over France.
Design
Cross-sectional.
Setting
Participants were free-living healthy volunteers of the SU.VI.MAX study (an intervention study on the effects of antioxidant supplementation on chronic diseases).
Subjects
For 1481 women aged 35–60 years and 1210 men aged 45–60 years, intakes of total alcohol and specific alcoholic beverages were assessed by six 24-hour dietary records. BMI and WHR were measured during a clinical examination the year after.
Results
A J-shaped relationship was found between total alcohol consumption and WHR in both sexes and between total alcohol consumption and BMI in men only (P < 0.05). The same relationships were observed with wine (P < 0.05); men and women consuming less than 100 g day−1 had a lower BMI (men only) and WHR than non-drinkers or those consuming more. Spirits consumption was positively associated with BMI (linear regression coefficient β = 0.21, 95% confidence interval (CI): 0.09–0.34 and β = 0.22, 95% CI: 0.06–0.39 for men and women, respectively) and WHR (β = 0.003, 95% CI: 0.001–0.005 and β = 0.003, 95%CI: 0.0002–0.006) in both sexes in a linear fashion. No relationship between beer consumption and BMI or WHR was found.
Conclusion
If confirmed in longitudinal studies, our results indicate that consumption of alcoholic beverages may be a risk factor for obesity.
To describe the selection and modification of an appropriate diet score to assess diet quality in early old age.
Design and setting
Cross-sectional analyses of the Boyd Orr cohort – a long-term follow-up of men and women whose families took part in a survey of diet and health in pre-war Britain. Dietary data were obtained from a 113-item food-frequency questionnaire. A nine-item Healthy Diet Indicator (HDI) developed by Huijbregts and colleagues was identified from the literature and modified because some dietary variables were unavailable and to accord more closely with recommendations of the UK Committee on Medical Aspects of Food Policy.
Subjects
In total, 1475 traced, surviving cohort members aged 60 years and over.
Results
Modification resulted in a 12-item Healthy Diet Score (HDS). We found that about half the variation in the HDS was explained by variation in the HDI (r = 0.71). There was, however, little misclassification of subjects (<10%) into extreme thirds of the distribution by the HDS compared with the HDI. Items of the score most strongly correlated with overall score were saturated fat (r = −0.57), red meat (r = −0.46), dietary fibre (r = 0.58), fruit and vegetables (r = 0.54) and percentage energy from carbohydrates (r = 0.51). Modifying existing items had greater impact on agreement between HDI and HDS than the addition of new items.
Conclusions
The selection and modification of diet scores is more complicated than often assumed. Furthermore, modest changes to an existing score can produce a score that is different from the original, and although it was not possible to test this issue, it may no longer predict subsequent health experience.
To evaluate the impact of the disaggregation of composite foods on intake estimates of meat and individual meat categories and on the contribution of meat to nutrient intakes in Irish adults.
Design
Data were analysed from the North/South Ireland Food Consumption Survey, which used a 7-day food diary to estimate food intake. Of 742 food codes that contained meat, 320 were codes for meat consumed as an individual portion and 422 were composite foods and were disaggregated to estimate the meat content.
Subjects
A nationally representative sample of 475 men and 483 women (not pregnant or lactating) from the Republic of Ireland aged 18–64 years.
Results
The mean intake of meat was 134 g day−1 in consumers (98.5%) and men (168 g day−1) consumed significantly more (P < 0.001) than women (102 g day−1). Mean intakes of meat were higher in subjects with manual skilled occupations (P < 0.01) and lower in those with third-level educational qualifications (P < 0.05). Without disaggregating meat from composite foods, meat intake was overestimated by 43% (57 g day−1) and varied widely by meat category. Meat disaggregated from composite foods contributed 25% of meat intake. The contribution meat made to nutrient intakes ranged from 29% for protein, vitamin B12, zinc and niacin to 20% for vitamin D, 16% for vitamin B6, 15% for thiamine and 14% for iron.
Conclusions
Failure to disaggregat meat from composite foods substantially overestimates meat intake, with a large variation between meat categories. This has important implications for estimates of meat intakes in nutritional epidemiological studies and for food safety purposes.
Four hundred and fifty women attending their 18-week antenatal clinic appointment. No selection criteria were applied. Townsend scores were allocated using postcodes to provide a small-area measure (enumeration district) of social deprivation.
Results
Eighty-nine per cent of women took folic acid prior to their 18-week antenatal clinic appointment; 48% of women took folic acid before 4 weeks of gestation. Younger women and more socially deprived women were less likely to use folic acid supplements before 4 weeks of gestation. Women with a family history of neural tube defects were no more likely to take folic acid than were women with no family history of neural tube defects.
Conclusion
A high proportion of women reported taking folic acid supplements during pregnancy but less than half took them at the most important time in early pregnancy. Younger women and women who were more socio-economically deprived were much less likely to take folic acid during the critical periconceptional period. Future strategies should promote prenatal folic acid supplementation in women under the age of 24 and in women of low socio-economic status. Further attention should also be given to the use of folic acid supplements in women with a family history of neural tube defects.