Abdominal obesity (AO) is an alimentary-dependent risk factor, the development and prognosis of which is directly specified by eating habits.Aim. To study the associations of dietary patterns and AO among the adult Russian population.Material and methods. The analysis was carried out using representative samples of male and female population aged 25-64 years (n=19297; men, 7342; women, 11,955) from 13 Russian regions. The response was about 80%. Nutrition was assessed based on the prevalence of consumption of the main food groups forming the daily diet. Results are presented as odds ratios and 95% confidence intervals.Results. Men with AO, compared with men without AO, more often consume red meat and vegetables/fruits daily by 12% and 13%, respectively, as well as less often eat cereals and pasta, confectionery, sour cream, and cottage cheese by 17%, 24%, 14%, and 19%, respectively. In women with AO, compared to women without AO, there are more differences in the diet, as they more often daily consume red meat by 28%, fish and seafood by 26%, poultry by 23%, meat and sausages and fruits/vegetables by 14%, milk, kefir, yogurt by 11%, as well as less often — cereals and pasta, sweets, and sour cream by 11%, 14%, and 8%, respectively. In women with AO, the prevalence and amount of drinking beer and dry wines is lower, but they consume spirits more frequently (p=0,0001), but without significant differences in amount. Men with AO have a higher prevalence and amount of drinking dry and fortified wines, as well as strong alcoholic drinks. Men with AO drinks higher amount of beer. In addition, men with AO showed a positive association with alcohol consumption (χ=53,64, p<0,0001), while women with AO had a negative association (χ=28,64, p<0,0001). Cardioprotective eating habits are more often (17%) present among people with AO without sex differences.Conclusion. The study revealed significant differences in dietary patterns of persons with AO compared with those without AO, most pronounced in women.

Most traditional risk factors for cardiovascular disease (CVD) are diet dependent and are caused by an imbalanced nutrition. A healthy diet and individual eating habits have a significant protective effect against CVD.Aim. To study the prevalence of dietary habits with protective effects against CVD in the adult population.Material and methods. The analysis was performed using data of representative samples in 13 Russian regions of male and female population aged 25-64 years (n=19520; men — 7329, women — 12191). The response rate was about 80%. The diet was assessed by the frequency of consumption of certain foods. The cardioprotective diet included: daily consumption of vegetables and fruits, weekly — fish products, the use of only vegetable oils in cooking, and consumption of low-fat dairy. The presence of all 4 eating habits was considered Ideal Diet (ID), 1-3 habits — Intermediate Diet (ImD), none of listed habits — Bad Diet (BD).Results. The ImD was the most common — 85,8%. However, there were slight regional differences — from 80,1% in the Ivanovo Oblast to 91,0% in the Tyumen Oblast (p<0,001). The prevalence of ID was 7,0%; more common — among women (p<0,001), urban residents (p<0,001), people with higher education (p<0,001) and unemployed participants (p=0,016). It increases with age (p<0,001). The highest rate of ID was noted in St. Petersburg (13,8%) and Primorsky Krai (10,5%), the lowest — in the Volgograd (3,6%) and Tyumen Oblasts (3,5%), in the Republic of North Ossetia (3,4%). BD was more common in men (p<0,001), among people aged 25-34 years (p<0,001), less educated (p<0,001) and low-income (p<0,001) people. The prevalence of BD in the general population was 7,2% and varies from 3,1% in the Voronezh Oblast to 13,6% in the Volgograd Oblast. Individuals with hyperglycemia (50%), abdominal obesity (20%) and general obesity (18%), dyslipidemia (15%) and history of CVD (22%) were more likely to have ID. Persons with hyperglycemia (17%), abdominal obesity (13%), general obesity (11%), dyslipidemia (8%) and history of CVD (9%) were more likely to have ImD.Conclusion. A low prevalence of cardioprotective diet in the population was revealed. Only individual habits are widespread; however, a small part of Russians follow all cardioprotective habits.

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The methodological guidelines are developed as a practical document for medical specialists working in the field of preventive medicine, in order to expand and improve the provision of this type of medical service to the adult population. The methodological guidelines include an informational and informative part for medical specialists and a practical part for patients, presented in the format of memos, contain the main sections-healthy nutrition, correction of eating habits, issues of modifying the diet for the main alimentary-dependent risk factors for chronic non-communicable diseases, such as arterial hypertension, obesity, disorders of lipid, carbohydrate and purine metabolism, a decrease in bone mineral density. They are intended for medical specialists working in the field of prevention, for doctors and secondary medical personnel of offices and departments of medical prevention, public health and medical prevention centers, healthy lifestyle specialists, teachers of medical educational institutions, for specialists who develop and implement educational programs for patients, as well as for medical specialists of a therapeutic profile.

The methodological rationale contains a description of epidemiological research methods, provides an analysis of the key concepts of epidemiology (population, sample, risk factor (RF)), in the context of  prevention priorities, as well as describes each of the main RFs for noncommunicable diseases (NCDs), including cardiovascular diseases. Emphasis is placed on behavioral and mediated biological RFs, such as smoking and alcohol consumption, poor nutrition (low consumption of vegetables and fruits), physical inactivity, high blood pressure, dyslipidemia and obesity, hyperglycemia and diabetes. The methodological rationale was created with the aim of popularizing epidemiological studies, expanding the scope of its use by clinicians, primary care physicians, specialists from medical prevention centers, providers of preventive measures, as well as decision makers in  the healthcare system. The sphere of the implementation of epidemiological data covers both the planning of preventive programs for the modification of risk factors in the population, and monitoring the effectiveness of preventive measures. These materials will also be useful in the development of a population, regional and municipal strategy for the prevention of NCDs and related RFs in Russia.