Overweight and Obesity: Twenty Years of Tehran Lipid and Glucose Study Findings

Barzin, Maryam; Serahati, Sara; Mahdavi, Maryam; Azizi, Fereidoun; Hosseinpanah, Farhad

doi:10.5812/ijem.84778

Cited by 24 publications

(32 citation statements)

References 24 publications

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“…Other studies have reported a significant negative association between TFR and ASR of BC [93][94]. The difference between the findings of this study and those of others may be due to the decline in TFR in all EMR countries [11].…”

Section: Effects Of Developmental Factors On Breast Cancer Incidencecontrasting

confidence: 99%

“…In addition to the data extracted from the systematic review of the literature, other information, such as TFR, was extracted from HDI of United Nations Development Program during 1998-2016 (UNDP) [5] and from Index Mundi website, from which data on the prevalence of obesity in every EMR country were extracted [11].…”

Section: Final Data Used In the Analysismentioning

confidence: 99%

“…The highest value of BC ASR in the last period and the highest increase in the incidence of BC for the last 2 periods of the study belonged to countries with low-quality data. In fact, only 4 countries (Kuwait, Oman, Jordan, and Tunisia) have had a population-based cancer registry prior to 1998 (11).…”

Section: Trend Of Breast Cancer Incidencementioning

confidence: 99%

See 2 more Smart Citations

Incidence Trend of Breast Cancer and its Risk Factors in Women of Eastern Mediterranean Region Countries between 1998 and 2018: A Systematic Review and Meta-Analysis

Zahedi

Vardanjani

Baneshi

et al. 2019

Preprint

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Background This study was conducted to provide evidence on the current status of breast cancer (BC) and its incidence trend in EMR during 1998-2018. Also, this study aimed to investigate the association between the incidence of BC and HDI and some factors related to this index, including total fertility rate (TFR), and obesity, using a meta-analysis. Method Data on incidence of BC were collected from various sources, including PubMed, Embase, Web of Science, and WHO, from 1998 to 2018 using systematic review and meta-analysis. Pooled ASR (age standardized rate) was calculated based on study duration and quality of data using a subgroup analysis and random effect metaanalysis. Results A total of 76 studies (499 data points) were analyzed. Pooled ASR of BC for EMR was 39.8 per 100 000 person-year (95% confidence interval CI, 36.01, 43.9) during 2011-2018. ASR of BC had an upward trend in EMR from 2005 to 2018. However, the increasing trend was found to be slightly different in various regions based on quality of data. Moreover, pooled ASR had a significant association with Human Development Index (HDI) -6.6 (95% CI, -8.9, -4.3) and obesity 0.1 (95% CI, 0.07, 0.1). Conclusion Pooled ASR of BC in EMR was lower than the global average. Also, the ASR value and its incremental trend have been higher in countries with low-quality data than in other countries of this region in recent years. Data quality or physiological factors, such as increase in obesity rates, could be the reasons for this incremental trend.According to World Health Organization (WHO), Eastern Mediterranean Region (EMR) comprises of 21 countries, with the population of about 583 million. The countries in this region have diverse economic, social, health indexes, and life expectancy [3].In some studies, socioeconomic factors have been mentioned as possible factors influencing BC incidence [1,4]. Human Development Index (HDI), a composite index comprised of life expectancy at birth, salary, and education, is one of the indicators used to study the level of welfare in human societies [5]. Considering the lack of proper cancer registration systems and surveillance structure in most of developing countries, particularly in EMR countries [6], and given that EMR includes countries with diverse socioeconomic and health status [3], similar patterns may be found in this region and in other similar countries in the present and future. This study was conducted to provide evidence on the current status of BC and its incidence trend in the EMR during1998-2018. Moreover, this study investigated the association between the incidence of BC and HDI and some factors related to this index, including total fertility rate (TFR) and obesity, using a meta-analysis.

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Section: Effects Of Developmental Factors On Breast Cancer Incidencecontrasting

confidence: 99%

Section: Final Data Used In the Analysismentioning

confidence: 99%

See 1 more Smart Citation

Incidence Trend of Breast Cancer and its Risk Factors in Women of Eastern Mediterranean Region Countries between 1998 and 2018: A Systematic Review and Meta-Analysis

Zahedi

Vardanjani

Baneshi

et al. 2019

Preprint

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“…The high prevalence of CHD, especially among diabetic populations, necessitates urgent behavioral intervention to be aimed at halting obesity tsunami [39], hypertension [40], and physical inactivity [41]…”

Section: Resultsmentioning

confidence: 99%

Sex-specific prevalence of coronary heart disease among Tehranian adult population across different glycemic status: Tehran Lipid and Glucose Study, 2008-2011

Moazzeni

Ghafelehbashi

Hasheminia

et al. 2020

Preprint

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Background: Coronary heart disease (CHD) is one of the leading causes of death. Alarmingly Iranian populations had a high rank of CHD worldwide. The current study aimed to assess the prevalence of CHD across different glycemic categories. Methods: This study was conducted on 7,718 Tehranian participants (Men=3427) aged ≥ 30 years from 2008 to 2011. They were categorized based on glycemic status. The prevalence of CHD was calculated in each group separately. CHD was defined as hospital records adjudicated by an outcome committee. The association of different glycemic categories with CHD was calculated using multivariate logistic regression, compared with normal fasting glucose /normal glucose tolerance (NFG/NGT) group as reference. Results: The age-standardized prevalence of isolated impaired fasting glucose (iIFG), isolated impaired glucose tolerance (iIGT), both impaired fasting glucose and impaired glucose tolerance (IFG/IGT), newly diagnosed diabetes mellitus (NDM), and known diabetes mellitus (KDM) were 14.30% [95% confidence interval (CI): 13.50-15.09], 4.81% [4.32-5.29], 5.19% [4.71-5.67], 5.79% [5.29-6.28] and 7.72% [7.17-8.27], respectively. Among a total of 750 individuals diagnosed as cases of CHD (398 in men), 117 (15.6%), 453 (60.4%), and 317 (42.3%) individuals had a history of myocardial infarction (MI), cardiac procedure, and unstable angina, respectively. The age-standardized prevalence of CHD for the Tehranian population was 7.71% [7.18-8.24] in the total population, 8.62 [7.81-9.44] in men and 7.19 [6.46-7.93] in women. Moreover, among diabetic participants, the age-standardized prevalence of CHD was 13.10 [9.83-16.38] in men and 10.67 [8.90-12.44] in women, significantly higher than corresponding values for NFG/NGT and prediabetic groups. Across six levels of glycemic status, CHD was associated with IFG/IGT [ odds ratio (OR) and 95% CI: 1.38 (1.01-1.89)], NDM [1.83 (1.40-2.41)], and KDM [2.83 (2.26-3.55)] groups, in the age- and sex-adjusted model. Furthermore, in the full-adjusted model, only NDM and KDM status remained to be associated with the presence of CHD by ORs of 1.40 (1.06-1.86) for NDM and 1.91 (1.51-2.43) for KDM. Conclusion: The high prevalence of CHD, especially among diabetic populations, necessitates the urgent implementation of behavioral interventions in the Tehranian population, according to evidence-based guidelines for the clinical management of diabetic patients.

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“…In Iran central Obesity defined Waist Circumference (WC) ≥ 90 cm as at risk for CVD for both sexes by Iranian National Committee. [13] Statistical analysis Yazd population in 2011 was obtained from the Statistical Center of Iran [14] for direct agestandardization of the findings to represent the general adult population aged 20-69 years in Yazd.…”

Section: Data Collectionmentioning

confidence: 99%

Prevalence of hypertension and related risk factors in central Iran: Results from Yazd Health Study

Mirzaei

Mehrara

Gholami

et al. 2019

Preprint

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Background: Hypertension, the most important risk factor for cardiovascular disease, is a public health concern in world. Its prevalence varies between countries, due to differences in lifestyle and other risk factors' profile across the regions. The aim of this study was to investigate the prevalence of hypertension and its related risk factors among adults in Yazd Greater Area. Methods: This cross-sectional study is a community-based study of 20-69 year-old adults living in Yazd. The participants were selected by multi-stage random cluster sampling. A valid questionnaire completed in a home visit. Blood pressure (BP), Body Mass Index and Waist Circumference were measured by standard protocol. Self-reported hypertension was recorded. levels of Physical Activity (PA) were categorized by IPAQ-SF. Chi-square test was used for categorical variables to analyze the differences. Multivariate logistic regression was carried out to determine the association of risk factors to hypertension. All statistical analyses were performed using SPSS 16 software. A p-value less than 0.05 were considered statistically significant. Results: With 95% responding(n=9975), half of adults have a low PA and two thirds were overweight or obese. Positive history of hypertension was 18.5% (21.9% in females vs. 15.2% in males). The mean systolic and diastolic BP were 126.5 ± 18.4 mmHg and 80.2 ± 12.5 mmHg, respectively. Prevalence of hypertension was 36% (34.7% for women and 37.3% for men). The prevalence of hypertension is reduced with higher education, more PA, lower BMI and no history of diabetes (P value < 0.0001). Higher BP is less common in smokers (P value < 0.0001). By logistic regression analysis, hypertension were higher among men (OR: 1.83, 95% CI: 1.64-2.03), eldest (OR: 5.15, 95% CI: 4.20-6.31), low-educated (OR: 1.40, 95% CI: 1.17-1.67) and diabetics (OR: 1.20, 95% CI: 1.05-1.38).Hypertension was doubled in obese. There was no significant relationship between PA level, place of residence, smoking and hypercholesterolemia with high BP. Conclusion: Prevalence of hypertension in adults was high. By identifying common modifiable risk factors, health policy makers should prioritize health interventions to control risk factors. It is necessary to inform younger adult groups about ways to select healthy lifestyle and nutritional habits.

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Overweight and Obesity: Twenty Years of Tehran Lipid and Glucose Study Findings

Cited by 24 publications

References 24 publications

Incidence Trend of Breast Cancer and its Risk Factors in Women of Eastern Mediterranean Region Countries between 1998 and 2018: A Systematic Review and Meta-Analysis

Incidence Trend of Breast Cancer and its Risk Factors in Women of Eastern Mediterranean Region Countries between 1998 and 2018: A Systematic Review and Meta-Analysis

Sex-specific prevalence of coronary heart disease among Tehranian adult population across different glycemic status: Tehran Lipid and Glucose Study, 2008-2011

Prevalence of hypertension and related risk factors in central Iran: Results from Yazd Health Study

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