Distribution of Dietary Risk Factors in Iran: National and Sub-National Burden of Disease.

BACKGROUND: Non-communicable diseases (NCDs) are one of the greatest threats to public health, and have been related to poor quality dietary patterns. This study was conducted to determine the distribution of dietary risk factors in Iran. METHODS: Cross-sectional data was gathered between April and November 2016 from 30,541 eligible adults (out of 31 050 individuals who were selected through systematic proportional to size cluster random sampling) living in urban and rural areas, using the WHO-based STEPs risk factor questionnaire. Low intakes of fruits, vegetables, dairy products, and fish, and high intakes of salty processed food (SPF), as well as daily intake of hydrogenated fat (HF) were considered as nutritional risk factors. RESULTS: At the national level, 82.8% (95% CI: 82.4-83.2), 57.8% (95% CI: 57.2-58.4), 80.6% (95% CI: 80.1-81) and 90.3% (95% CI: 90-90.6) of participants of all age groups had sub-optimal intakes of fruits, vegetables, dairy products and fish, respectively. Furthermore, 12.8% (95% CI: 12.4-13.1), and 29.4% (95% CI: 28.9-29.9) of respondents had high SPF intakes and HF use, respectively. At the sub-national level, the highest distribution of suboptimal intake of fruits (97.2%; 95% CI:96-98.3), vegetables (79.2%; 95% CI: 76.3-82.1) and dairy products (92.9%; 95% CI: 91-94.7) was observed in Sistan and Baluchistan. Except for Boushehr and Hormozgan, the majority of the population of other provinces consumed fish less than twice a week. Similarly, the high intake of SPF was found mostly in the population of Yazd (23.7; 95% CI: 20.2-27.2). HF consumption was the highest in North Khorasan (64.2%; 95% CI: 60.3-68.1). CONCLUSION: These findings highlight the widespread distribution of dietary risk factors in Iran, which should be a priority for the people and the politicians in order to prevent NCDs.

Mortality Attributable to Nutritional Deficiencies among Iranian Children under the Age of Five at National and Subnational Level: 1995-2015.

BACKGROUND: Under-five mortality is considered an indicator of population well-being and health equality in societies. Under-five mortality caused by nutritional deficiencies is a public health concern in developing countries. In this study, we aimed to report the trend and mortality rate of nutritional deficiencies from 1995 to 2015 in children aged under five years. METHODS: In this study, we used the death registration system (DRS) data to estimate age- and sex-specific nutritional deficiency mortality rates at national and sub-national levels in Iran from 1995 to 2015. The Iranian DRS used the 10th revision of International Classification of Diseases (ICD-10) but we report our results based on Global Burden of Diseases (GBD) study codes. We used the average annual percent change (AAPC) to quantify trend in under-five mortality rate attributable to nutritional deficiencies from 1995 to 2015. RESULTS: At national level, mortality rates in both sexes were 8.53 (95% uncertainty interval [UI]: 7.69-9.47), 1.04 (0.86-1.36), and 0.37 (95% UI: 0.28-0.57) per 100,000 in 1995, 2005, and 2015, respectively. AAPC was estimated between 1995 and 2015. At sub-national level, the highest and lowest mortality rates across provinces ranged from 17.7 per 100000 in 1995 to 1.1 per 100000 in 2015. In the latest years, protein-energy malnutrition (PEM) was the most frequent cause of mortality among other nutritional deficiencies. CONCLUSION: The results show a substantial reduction in terms of mortality caused by nutritional deficiencies at national, as well as provincial, level among children under-five years of age.

Salt intake among Iranian population: the first national report on salt intake in Iran.

OBJECTIVE: In Iran, there has been no national report on salt intake based on laboratory measurements so far. Therefore, this study was conducted to measure salt intake among Iranian population at the national level. METHODS: In stepwise approach to conduct a surveillance survey 2016, 18 624 Iranian adults (25 years old and above), as a representative sample of Iranian adult population at national and subnational levels, underwent urine sodium measurement and were included in this study. The participants were recruited through a systematic random sampling from 30 provinces of Iran. For each individual, through a computer-assisted interview, a questionnaire on lifestyle risk factors was completed, all anthropometric indices were measured, and data on sodium of spot urine sample for all individuals and 24-h urine sample for a subsample were collected. To estimate the 24-h salt intake, common equations were used. RESULTS: In total, 97.66% of the population consumed at least 5 g of salt per day. In addition, in 41.20% of the population, the level of salt intake was at least two times higher than the level recommended by the WHO for adults. The mean of salt intake among Iranian population was 9.52 g/day (95% confidence interval: 9.48-9.56). CONCLUSION: The study showed that the consumption of salt among the Iranian population is higher than the level recommended by WHO. To reduce salt intake, it is necessary to adopt a combination of nationwide policies such as food reformulation and food labelling.