Farid Najafi

Farid Najafi
Kermanshah University of Medical Sciences | KUMS · Epidemiology

MD, PhD

About

308
Publications
60,065
Reads
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3,573
Citations
Additional affiliations
September 2015 - October 2016
Kermanshah University of Medical Sciences
Position
  • Vice Chancelor of Education of Kermanshah University of Medical Sciences
October 2009 - present
Kermanshah University of Medical Sciences
Position
  • Vice chancellor of Research and Technology
January 2005 - April 2007
The University of Queensland
Position
  • Research Assistant

Publications

Publications (308)
Article
Limited data are available on the epidemiology of heart failure (HF) after acute myocardial infarction (AMI). We have investigated trends in the incidence and outcome of HF developing more than 28 days after first-ever AMI. We identified all residents of Perth, Western Australia aged 25-64 years with no history of HF, who had experienced an AMI bet...
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To calculate a pooled estimate of relative risk (RR) of lung cancer associated with exposure to passive smoking in never smoking women exposed to smoking spouses. This study is an updated meta-analysis that also assesses the differences between estimated risks according to continent and study type using meta-regression. From a total of 101 primary...
Article
To investigate trends in incidence and long-term outcome of heart failure (HF) developing within 28 days of first-ever acute myocardial infarction (AMI). We identified all residents of Perth, Western Australia aged 25-64 years, with no history of HF, who experienced a non-fatal, first-ever AMI between 1984 and 1993, and followed them for ten years....
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To assess whether trends in mortality from heart failure (HF) in Australia are due to a change in awareness of the condition or real changes in its epidemiology. We carried out a retrospective analysis of official data on national mortality data between 1997 and 2003. A death was attributed to HF if the death certificate mentioned HF as either the...
Article
To assess trends in admissions of patients with heart failure (HF) to all hospitals in Australia between 1996-1997 and 2003-2004. We carried out a retrospective analysis of the official population-based National Hospital Morbidity Data in Australia. Although the absolute number of separations with a principal diagnosis of HF remained stable, the ag...
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Background Most non-communicable diseases (NCDs) are associated to diet and inflammation. The Dietary Inflammatory Index (DII) is a developed and validated self-assessment tool. The study was conducted to assess the association of DII with the hypertension (HTN) and type 2 diabetes mellitus (T2DM). Methods This cross-sectional analysis was conduct...
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Background Antioxidants intake from diet has been identified as one of the effective factors in the development of hypertension (HTN). The present study aimed to investigate the association between total antioxidant capacity (TAC) and HTN in women. Methods This cross-sectional study was performed using the baseline phase data of the ravansar non-c...
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Background The first large serosurvey in Iran found a SARS-CoV-2 antibody seroprevalence of 17.1% among the general population in the first wave of the epidemic by April, 2020. The purpose of the current study was to assess the seroprevalence of COVID-19 infection among Iranian general population after the third wave of the disease. Methods This p...
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Background Chronic low back pain (LBP) is the most common musculoskeletal pain that affects a person’s daily activities. This present study aimed at evaluating the relationship between major dietary pattern and Chronic LBP. Methods This cross-sectional analysis was examined 7686 Kurdish adults. The RaNCD cohort study physician diagnosed chronic LB...
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Clinical Breast Examination (CBE) is utilized as a screening modality in many low income countries without widespread mammography capability. The aim of the current study was to evaluate the impact of socio-economic status (SES) on CBE screening rates in Iranian Kurdish women. A cross-sectional study was conducted in the western region of Iran. A s...
Article
Background: The incidence of metabolic heart diseases has increased significantly in Middle Eastern countries such as Iran. The present study aimed to investigate the association between monocyte percentage to high-density cholesterol ratio (MHR), lymphocyte percentage to high-density cholesterol ratio (LHR), and lymphocyte to monocyte percentage...
Preprint
Background: Inflammation can be involved in developing diabetes and its related complications. In the present study, the association of dietary inflammatory index (DII) and cardiometabolic risk factors in diabetic and non-diabetic individuals have been compared. Methods: In this cross-sectional study, 9039 participants from baseline data of the Rav...
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Full-text available
Background Since hypertension (HTN) is responsible for more than half of all deaths from cardiovascular disease, it is vital to understand the nutritional factors that reduce its risk. Little information, however, is known about it in the Kurdish population. This study was aimed to evaluate the healthy eating index (HEI) 2015 and major dietary patt...
Preprint
Background: This study was conducted to investigate the association between decayed, missing, and filled teeth (DMFT) index and nutritional status based on Healthy Eating Index (HEI), in Iranian adults. Methods: In this cross-sectional study, data from the Ravansar Non-Communicable Diseases (RaNCD) cohort study were analyzed. DMFT index was employe...
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Abstract There is evidence to support the hypothesis that dietary antioxidants have shown protective effects against chronic kidney disease (CKD). The purpose of this study was to determine the association between the dietary total antioxidant capacity (DTAC), renal function, and development of CKD and kidney stones in Ravansar Non‐Communicable Dis...
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Background: Since the first official report of SARS-CoV-2 infection in Iran on 19 February 2020, our country has been one of the worst affected countries by the COVID-19 epidemic in the Middle East. In addition to demographic and clinical characteristics, the number of hospitalized cases and deaths is an important factor for evidence-based decisio...
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Background Although obesity increases the risk of hypertension, the effect of obesity based on metabolic status on the incidence of hypertension is not known. This study aimed to determine the association between obesity phenotypes including metabolically unhealthy obesity (MUO) and metabolically healthy obesity (MHO) and the risk of hypertension i...
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Full-text available
In this cross-sectional population-based study, we used the baseline data of the Prospective Epidemiologic Research Studies in IrAN cohort study collected in Iran from 2014 to 2020. The main outcomes were the prevalence of hypertension and proportion of awareness, treatment, and control based on the 2017 ACC/AHA guideline compared to the seventh re...
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Full-text available
Background: Bladder cancer (BC) is the 10th most common type of cancer worldwide and the fourth most common type of cancer in Iran. Opium use is considered as one of the risk factors for BC. We aim to assess the association between various parameters of opium use, which in Iran is mainly ingested or smoked in various forms, and the risk of BC. Me...
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Full-text available
Background One of the most important routes of HIV transmission is through injections of drugs, and this group, due to unawareness of their infection, causes the spread of HIV. The coexistence of other opportunistic infections and diseases with HIV among people who inject drugs (PWID) imposes healthcare costs and is associated with high morbidity/m...
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Background and aims: Hypertension may lead to disability and death by increasing the risk of cardiovascular disease, kidney failure, and dementia. This study aimed to determine the association between obesity, sarcopenia and sarcopenic obesity, and hypertension in adults resident in Ravansar, a city in the west of Iran. Methods: This cross-secti...
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Anthropometry is a Greek word that consists of the two words “Anthropo” meaning human species and “metery” meaning measurement. It is a science that deals with the size of the body including the dimensions of different parts, the field of motion and the strength of the muscles of the body. Specific individual dimensions such as heights, widths, dep...
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Background and objectives Low back pain (LBP) is a common health condition in populations. Limited large-scale population-based studies evaluated the prevalence and predictors of LBP in developing countries. This study aimed to evaluate the prevalence and factors associated with LBP among the Iranian population. Methods We used baseline informatio...
Article
Background and purpose: The actual prevalence of Coronavirus Disease 2019 (COVID-19) can only be estimated by population-based serological examinations and individuals without clinical symptoms may not be identified or reported. In this sero-epidemiological study we aimed at exploring the serum prevalence of COVID-19 in highly exposed occupational...
Article
We aimed to examine the degree of socioeconomic inequality in screening mammography among Kurdish women of Iran. Data from the Ravansar Non-Communicable Diseases (RaNCD) Cohort Study were used. A total of 3,219 women aged 35-65 years were studied. The concentration index (CIn) was used to measure the magnitude of socioeconomic-related inequalities...
Preprint
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The Mediterranean-DASH Intervention for Neurodegenerative Delay (MIND) diet aims to reduce dementia and the decline in brain health that often occurs as people get older. Loss of muscle strength (sarcopenia) is a geriatric syndrome that has associated with the loss of skeletal muscle mass and strength. The current study aimed to investigate the ass...
Preprint
Background Identifying the risk factors leading to hypertension can help explain why some populations are at a greater risk for developing hypertension than others. The present study seeks to identify the causal paths among the risk factors of hypertension in 35- to 65-year-old participants in western Iran. Methods The secondary analysis was conduc...
Article
BACKGROUND Given the global burden of COVID-19 mortality, this study intended to determine the factors affecting mortality in patients with COVID-19 using decision tree analysis and logistic regression model in Kermanshah province, 2020. METHODS This cross-sectional study was conducted on 7799 patients with COVID-19 admitted to the hospitals of Ker...
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Full-text available
The aim of this study was to assess the association between dietary inflammatory index (DII) and non-invasive markers of liver status in adults. This cross-sectional study was performed on 8520 adults, recruited in Ravansar Non-Communicable Diseases (RaNCD) cohort study, western Iran. The DII score was calculated based on participants’ dietary inta...
Preprint
Full-text available
Background: Since hypertension (HTN) is responsible for more than half of all deaths from cardiovascular disease, it is important to know the nutritional factors that reduce its risk. Although little information is known about it in the Kurdish population. This study was aimed to evaluate healthy eating index (HEI) 2015 and major dietary patterns i...
Article
Background and Aims: The objectives of the study were (i) cluster analysis of risky behaviors; (ii) determining correlates; and (iii) comparing clusters with regard to the attitude toward mental health help seeking. Methods: The current cross‑sectional study is a part of the first phase of the Persian Youth Cohort. From October 2014 to January 2017...
Article
Background: Primary brain tumors are among the main causes of death. This study aimed to determine the epidemiological features of the brain and central nervous system cancer in the Middle East and North Africa (MENA) region. Methods: In this study, data of the Global Burden of Disease (GBD) study were used to estimate the incidence, prevalence,...
Article
The present study was conducted to assess the relationship between relative handgrip strength (RHGS) and cardiovascular risk factors in individuals with cardiovascular disease (CVD) and healthy subjects. This study was based on a cross-sectional analysis of 883 participants aged 35 to 65 years among those with CVD and healthy subjects from Ravansar...
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Grip strength in midlife can predict physical disability in senior years. Recent evidence shows the critical role of nutritional status on muscle function. We aimed to elucidate whether adherence to a particular dietary pattern would be associated with abnormal muscle strength among middle-aged people. In this cross-sectional study, a semiquantitat...
Preprint
Full-text available
Background: Diet is one of the influential factors in developing hypertension. Moreover, the role of antioxidants in the prevention of cardiovascular diseases (CVDs) has been identified. Total antioxidant capacity (TAC) is a valid tool to assess intake antioxidants from diet. The aim of this study was to examine the association between TAC and hype...
Preprint
Full-text available
Background Chronic low back pain (LBP) is the most common musculoskeletal pain that affects a person's daily activities. This present study aimed at evaluating the relationship between major dietary pattern and Chronic LBP. Methods This cross- sectional study was applied using data from Ravansar non- communicable diseases (RaNCD) cohort study. Chr...
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Full-text available
Objective: The relationship between RBC indices and metabolic diseases remains unclear. The association between anemia and obesity is also controversial. The present study aimed to investigate the relationship between RBC indices and metabolic diseases caused by obesity and evaluate the effect of body mass index (BMI) on RBC indices on the Ravansa...
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Introduction Gastric cancer is the fifth most common cancer worldwide and the third cause of cancer deaths and disability-adjusted life years (DALYs) worldwide. The countries of the Middle East and North Africa are similar in many determinants of health, but there are significant differences in the incidence of gastric cancer in these countries. Th...
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Background: Clinical manifestations of COVID-19 are different. There are some risk factors for COVID-19. This study aimed to describe the epidemiological features, symptoms and mortality of the patients with COVID-19 in Iran. Methods: This were a cohort study performed on 103,179 patients with COVID-19. The demographic and clinical data were collec...
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Background The amount and type of lipids consumed greatly impact serum lipid profile and risk of cardiovascular diseases (CVDs). A novel index named atherogenic index of plasma (AIP) is a better predictor of CVD risk factors than lipids alone. This study aimed to investigate the effect of edible oils on AIP. Methods This cross-sectional study was...
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Background Visceral adiposity index (VAI) and atherogenic index of plasma (AIP) are relatively new indicators for predicting non-communicable diseases (NCDs). Therefore, the present study was done to assess the association of AIP and VAI with risk of cardiovascular diseases (CVDs). Methods This cross-sectional study was conducted on 7,362 individu...
Preprint
Full-text available
Background Although obesity contributes in increasing the risk of hypertension, it is not known the effect of obesity based on metabolic status on the incidence of hypertension. This study was aimed to determine association between obesity phenotypes including metabolically unhealthy obesity (MUO) and metabolically healthy obesity (MHO) and risk of...
Preprint
Full-text available
Background:Obesity and overweight in early life arebeingone of the challenges of public health in both developed and developing societies. Methods:This cross-sectional study was designed on the Global School-based Student Health Survey (GSHS) data from the WHO, in collaboration with UNAIDS, UNESCO, and UNICEF. The countries of low- and middle-incom...
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Background The prevalence of the metabolic syndrome (MetS) is increasing worldwide. Early detection of the MetS by valid and available indicators can help prevent, control and reduce its complications. This study aims to identify of most important anthropometric, biochemical and nutritional indices for predicting MetS. Methods This study conducted...
Preprint
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Background Visceral Adiposity index (VAI) and atherogenic index of plasma (AIP) are relatively new indicators for predicting Non-Communicable disease (NCDs). The aim of this study was to assess the association AIP and VAI with risk of cardiovascular diseases (CVDs). Methods This was a cross-sectional analysis conducted on 7362 individuals aged 35...
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Gestational diabetes mellitus (GDM) is serious health challenges. This study aimed at determining the risk of GDM among pregnant women by pre-pregnancy BMI. Five electronic databases including Medline (PubMed), Scopus, Embase, Web of Science and Google Scholar were searched for literature published form 2015 to January 1, 2021. The pooled estimate...
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Objectives: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is responsible for the COVID-19 pandemic. The majority of patients experience asymptomatic to mild self-limited disease, but some cases progress to respiratory and multi-organ failure. However, so far, no approved antiviral therapy has been available for treatment of COVID-19....
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Introduction. The aim of this study was to investigate the effect of financial incentives on weight loss, maintain in obese women and biochemical factors. Methods. This quasi-experimental study was conducted on 103 women with body mass index (BMI) ≥ 30 kg/m2. The participants were assessed over a 12-month follow-up in eight phases. Money payment fo...
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High serum levels of triglycerides (Tg) and low levels of high-density lipoprotein cholesterol (HDL-C) are characteristic of the Metabolic Syndrome (MetS). We assessed the ratio of Tg to HDL-C as a way to identify MetS and insulin resistance. We also evaluated its association with severity of carotid atherosclerosis. Data were analyzed from three c...
Preprint
Full-text available
Background: Dietary factors and inflammation are associated with most non-communicable diseases (NCDs). The Dietary Inflammatory Index (DII) is a developed validated assessment tool. This study was conducted to assessed association of DII with the hypertension and type 2 diabetes mellitus (T2DM). Methods: This cross-sectional analysis was performed...
Article
Background COVID-19 is the most informative pandemic in history. These unprecedented recorded data give rise to some novel concepts, discussions, and models. Macroscopic modeling of the period of hospitalization is one of these new issues. Methods Modeling of the lag between diagnosis and death is done by using two classes of macroscopic analytica...
Article
Background: COVID-19 is the most informative pandemic in history. These unprecedented recorded data give rise to some novel concepts, discussions, and models. Macroscopic modeling of the period of hospitalization is one of these new issues. Methods: Modeling of the lag between diagnosis and death is done by using two classes of macroscopic analy...
Article
Full-text available
The results of previous Iranian studies on the protective effect of health insurance on catastrophic health expenditures (CHE) are inconsistent. Therefore, the aim of this meta‐analysis was to summarize all existent evidence. We searched international and Iranian scientific databases for relevant literature. Using a Mantel–Haenszel random‐effects m...
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Background: The International Agency for Research on Cancer (IARC) recently classified opium use as a Group 1 carcinogen. However, much remains to be studied on the relation between opium and cancer. We designed the Iranian Opium and Cancer (IROPICAN) study to further investigate the association of opium use and cancers of the head and neck, bladd...
Preprint
Full-text available
Background: Visceral Adiposity index (VAI) and atherogenic index of plasma (AIP) are relatively new indicators for predicting Non-Communicable disease (NCDs). The aim of this study was to assess the association AIP and VAI with risk of developing cardiovascular diseases (CVDs) in adults. Materials: This was a cross-sectional analysis conducted on 7...
Article
Full-text available
PurposeHand grip strength (HGS) can predict physical function in next year when it is positively associated with nutritional and health status. This study aimed to determine the relationship between the healthy eating index (HEI)-2015 and hand grip strength.Methods This cross-sectional study was conducted on data from 4010 participants in the Ravan...
Article
The growing trend of HIV/AIDS is a major concern in the Middle East and North Africa (MENA) regions, as its incidence in the region has increased by 31% in the last decade. The study population in the countries of the MENA region included 21 countries with a population of approximately 400 million. The Global Burden of Disease database was used to...
Preprint
Full-text available
In this cross-sectional population-based study, we used the baseline data of the Prospective Epidemiologic Research Studies in IrAN (PERSIAN) cohort study collected in Iran from 2014 to 2020. The main outcomes were the prevalence of hypertension and proportion of awareness, treatment, and control based on the 2017 ACC/AHA guideline compared to the...
Preprint
Full-text available
Background Socio-economic status affects many health-related outcomes and one of the most important factors is the pattern and quality of nutrition. Thus, this study is carried out to investigate the effect of socio-economic status on the quality of nutrition based on healthy Eating Index (HEI).Methods This is a population-based study using the bas...
Article
Background: Bladder cancer (BC) is the 10th most common type of cancer worldwide and the 4th most common type of cancer in Iran. Opium use is considered as one of the risk factors for BC. We aim to assess the association between various parameters of opium use, which in Iran is mainly ingested or smoked in various formats, and the risk of BC. Meth...
Article
Full-text available
The purpose of this study is to investigate socioeconomic inequality in fruit and vegetable (F&V) intake and contributing factors. Data of 9981 participants from the recruitment phase of Ravansar Non-Communicable Diseases (RaNCD) cohort study were included in the final analysis. The concentration index was calculated to measure the inequality. The...