Mahshid Dehghan

Mahshid Dehghan
McMaster University | McMaster · Department of Medicine

PhD

About

83
Publications
43,492
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
6,860
Citations
Introduction
Skills and Expertise

Publications

Publications (83)
Article
Background South Asian children's diets are considered unhealthy, yet the relationship with food parenting among South Asians is understudied. Methods In a cross-sectional study, questionnaires were administered to dyads of Canadian South Asian elementary and high school children and a parent. Relationships between parental factors (perceived resp...
Article
Full-text available
Background There are few concise tools to evaluate dietary habits in men with prostate cancer in Canada. Objective To develop a short FFQ (SFFQ) in a cohort of prostate cancer patients. Methods A total of 130 men with prostate cancer completed the SFFQ and a validated comprehensive food frequency questionnaire (CFFQ). Both questionnaires were adm...
Article
Full-text available
Objective To evaluate the relation between intake of ultra-processed food and risk of inflammatory bowel disease (IBD). Design Prospective cohort study. Setting 21 low, middle, and high income countries across seven geographical regions (Europe and North America, South America, Africa, Middle East, south Asia, South East Asia, and China). Partic...
Article
Background Dietary factors may influence the risk of developing inflammatory bowel disease (IBD), but evidence from large, prospective studies is scarce. This study aimed to evaluate the relationship between ultra-processed food intake and the risk of developing IBD in the Prospective Urban Rural Epidemiology (PURE) cohort study. Methods This was...
Article
Background Dietary guidelines recommend limiting red meat intake because it is a major source of medium- and long-chain SFAs and is presumed to increase the risk of cardiovascular disease (CVD). Evidence of an association between unprocessed red meat intake and CVD is inconsistent. Objective The study aimed to assess the association of unprocessed...
Article
Importance Cohort studies report inconsistent associations between fish consumption, a major source of long-chain ω-3 fatty acids, and risk of cardiovascular disease (CVD) and mortality. Whether the associations vary between those with and those without vascular disease is unknown. Objective To examine whether the associations of fish consumption...
Article
Background Most data regarding the association between the glycemic index and cardiovascular disease come from high-income Western populations, with little information from non-Western countries with low or middle incomes. To fill this gap, data are needed from a large, geographically diverse population. Methods This analysis includes 137,851 part...
Article
Full-text available
Objective To evaluate the association between intakes of refined grains, whole grains, and white rice with cardiovascular disease, total mortality, blood lipids, and blood pressure in the Prospective Urban and Rural Epidemiology (PURE) study. Design Prospective cohort study. Setting PURE study in 21 countries. Participants 148 858 participants w...
Article
Background & aims Although fruits and vegetable consumption has been shown to be associated with lower risks of mortality, cancers, and cardiovascular disease (CVD), there are limited data from China on the shape of the association. This study aimed to quantify the relationship between levels of fruit, vegetable, and legume consumption with the ris...
Article
Full-text available
Objective: Previous prospective studies on the association of white rice intake with incident diabetes have shown contradictory results but were conducted in single countries and predominantly in Asia. We report on the association of white rice with risk of diabetes in the multinational Prospective Urban Rural Epidemiology (PURE) study. Research...
Article
Purpose: Validated methods to assess diet of non-European infants are sparse. We assessed the validity and reliability of a semi-quantitative food-frequency questionnaire (FFQ) for South Asian infants in Canada. Methods: We developed an 80-item FFQ to assess infant nutrient intake in the South Asian Birth Cohort study (START). Caregivers completed...
Article
Background: The association of nuts with cardiovascular disease and deaths has been investigated mostly in Europe, the USA, and East Asia, with few data available from other regions of the world or from low- and middle-income countries. Objective: To assess the association of nuts with mortality and cardiovascular disease (CVD). Methods: The P...
Article
Full-text available
Objective Our aims were to assess the association of dairy intake with prevalence of metabolic syndrome (MetS) (cross-sectionally) and with incident hypertension and incident diabetes (prospectively) in a large multinational cohort study. Methods The Prospective Urban Rural Epidemiology (PURE) study is a prospective epidemiological study of indivi...
Article
Full-text available
Background: Eggs are a rich source of essential nutrients, but they are also a source of dietary cholesterol. Therefore, some guidelines recommend limiting egg consumption. However, there is contradictory evidence on the impact of eggs on diseases, largely based on studies conducted in high-income countries. Objectives: Our aim was to assess the...
Article
Introduction: Diet and South Asian ethnicity are both associated with early onset of cardiovascular risk factors. Among youth of South Asian origin, little is known about the role of culture in determining healthy dietary patterns. We aimed to assess dietary patterns and their relationships with acculturation to Western and traditional lifestyles...
Article
Background: Dietary guidelines recommend minimising consumption of whole-fat dairy products, as they are a source of saturated fats and presumed to adversely affect blood lipids and increase cardiovascular disease and mortality. Evidence for this contention is sparse and few data for the effects of dairy consumption on health are available from lo...
Article
Full-text available
Background: It is not clear whether the effects of lipid-lowering or antihypertensive medications are influenced by adherence to healthy lifestyle factors. We assessed the effects of both drug interventions in subgroups by the number of healthy lifestyle factors in participants in the HOPE-3 (Heart Outcomes Prevention Evaluation) trial. Methods a...
Data
Table S1. Available Healthy Lifestyle Factor Distribution by Randomized Medication
Article
Background: Stroke disproportionately affects people in low-income and middle-income countries. Although improvements in stroke care and outcomes have been reported in high-income countries, little is known about practice and outcomes in low and middle-income countries. We aimed to compare patterns of care available and their association with pati...
Article
Full-text available
Background Suicidal behaviour remains challenging for clinicians to predict, with few established risk factors and warning signs among psychiatric patients. Aim We aimed to describe characteristics and identify risk factors for suicide attempts among patients with psychiatric disorders. Methods Multivariable logistic regression analysis, adjusted...
Article
Background: Suicide attempts are a serious public health concern with devastating global impact, thereby necessitating the development of an adequate prevention strategy. Few known risk factors of suicide attempts are directly modifiable. This study sought to investigate potential associations between health behaviors and suicide attempts, identif...
Article
Full-text available
Background: The association between intake of fruits, vegetables, and legumes with cardiovascular disease and deaths has been investigated extensively in Europe, the USA, Japan, and China, but little or no data are available from the Middle East, South America, Africa, or south Asia. Methods: We did a prospective cohort study (Prospective Urban Rur...
Article
Background The relation between dietary nutrients and cardiovascular disease risk markers in many regions worldwide is unknown. In this study, we investigated the effect of dietary nutrients on blood lipids and blood pressure, two of the most important risk factors for cardiovascular disease, in low-income, middle-income, and high-income countries.
Article
Full-text available
Background: The relation between dietary nutrients and cardiovascular disease risk markers in many regions worldwide is unknown. In this study, we investigated the effect of dietary nutrients on blood lipids and blood pressure, two of the most important risk factors for cardiovascular disease, in low-income, middle-income, and high-income countries...
Article
Full-text available
Hypertension is considered the most important risk factor for cardiovascular diseases, but its control is poor worldwide. We aimed to assess the availability and affordability of blood pressure-lowering medicines, and the association with use of these medicines and blood pressure control in countries at varying levels of economic development. We an...
Article
Full-text available
Background: Hypertension is considered the most important risk factor for cardiovascular diseases, but its control is poor worldwide. We aimed to assess the availability and affordability of blood pressure-lowering medicines, and the association with use of these medicines and blood pressure control in countries at varying levels of economic develo...
Article
Full-text available
Background: The relationship between macronutrients and cardiovascular disease and mortality is controversial. Most available data are from European and North American populations where nutrition excess is more likely, so their applicability to other populations is unclear. Methods: The Prospective Urban Rural Epidemiology (PURE) study is a larg...
Article
Background: The association between intake of fruits, vegetables, and legumes with cardiovascular disease and deaths has been investigated extensively in Europe, the USA, Japan, and China, but little or no data are available from the Middle East, South America, Africa, or south Asia. Methods: We did a prospective cohort study (Prospective Urban...
Article
Full-text available
Background: The relation between dietary nutrients and cardiovascular disease risk markers in many regions worldwide is unknown. In this study, we investigated the effect of dietary nutrients on blood lipids and blood pressure, two of the most important risk factors for cardiovascular disease, in low-income, middle-income, and high-income countrie...
Article
This study aims to assess comparability of a short food frequency questionnaire (SFFQ) used in the Determinants of Suicide: Conventional and Emergent Risk Study (DISCOVER Study) with a validated comprehensive FFQ (CFFQ). A total of 127 individuals completed SFFQ and CFFQ. Healthy eating was measured using Healthy Eating Score (HES). Estimated food...
Article
Background: The concept of ideal cardiovascular health emphasizes a more integrative definition of health to include protective biological factors and behaviors but it has not been investigated in relation to individuals' perspectives on their own health. Methods: We used cross-sectional data of 10,687 participants, age 45-64years, free of cardi...
Article
Full-text available
Background: Several international guidelines recommend the consumption of two servings of fruits and three servings of vegetables per day, but their intake is thought to be low worldwide. We aimed to determine the extent to which such low intake is related to availability and affordability. Methods: We assessed fruit and vegetable consumption using...
Article
Background: Stroke is a leading cause of death and disability, especially in low-income and middle-income countries. We sought to quantify the importance of potentially modifiable risk factors for stroke in different regions of the world, and in key populations and primary pathological subtypes of stroke. Methods: We completed a standardised int...
Article
Full-text available
Suicide is a leading cause of death and a significant public health concern. Brain-derived neurotrophic factor (BDNF), a protein important to nervous system function, has been implicated in psychiatric disorders and suicidal behaviour. We investigated the association between serum levels of BDNF and attempted suicide in a sample of 281 participants...
Article
Full-text available
Background: We quantified the impact of lifestyle and dietary modifications on chronic kidney disease (CKD) by estimating population-attributable fractions (PAFs). Study design: Observational cohort study. Setting & participants: Middle-aged adults with type 2 diabetes but without severe albuminuria from the Ongoing Telmisartan Alone and in Co...
Article
Full-text available
Suicidal behavior is a growing public health concern resulting in morbidity and premature death. Although certain factors such as age, sex, and psychiatric disorders have been consistently reported to be associated with suicidal behavior, other factors including biological markers, diet, and physical activity may also influence suicidal behavior. T...
Article
Full-text available
Major scholars in the field, on the basis of a 3-day consensus, created an in-depth review of current knowledge on the role of diet in cardiovascular disease (CVD), the changing global food system and global dietary patterns, and potential policy solutions. Evidence from different countries and age/race/ethnicity/socioeconomic groups suggesting the...
Article
Although the prevalence of chronic kidney disease (CKD) is ∼30% in the group of people with diabetes, data on interventions in the very early stage of the disease are still missing. Furthermore, the effects of modifiable lifestyle factors such as nutrition on incidence and progression of CKD in patients with diabetes in Europe remain elusive. We an...
Article
Full-text available
To validate the original food frequency questionnaire in Turkish adult population. The cross-sectional study was conducted in June and December 2008 and 2009, and comprised adults of either gender aged 30-70 years. All subjects were Caucasians and were native Turkish speakers. The food frequency questionnaire containing 229 most frequently consumed...
Article
OBJECTIVE: We sought to determine the association of dietary factors and risk of cognitive decline in a population at high risk of cardiovascular disease. METHODS: Baseline dietary intake and measures of the Mini-Mental State Examination were recorded in 27,860 men and women who were enrolled in 2 international parallel trials of the ONTARGET (Ong...
Article
Full-text available
Food packages were objectively assessed to explore differences in nutrition labelling, selected promotional marketing techniques and health and nutrition claims between countries, in comparison to national regulations. Cross-sectional. Chip and sweet biscuit packages were collected from sixteen countries at different levels of economic development...
Article
Full-text available
Importance: Type 2 diabetes mellitus and associated chronic kidney disease (CKD) have become major public health problems. Little is known about the influence of diet on the incidence or progression of CKD among individuals with type 2 diabetes. Objective: To examine the association between (healthy) diet, alcohol, protein, and sodium intake, an...
Article
Full-text available
Importance Little is known about adoption of healthy lifestyle behaviors among individuals with a coronary heart disease (CHD) or stroke event in communities across a range of countries worldwide. Objective To examine the prevalence of avoidance or cessation of smoking, eating a healthy diet, and undertaking regular physical activities by individu...
Article
Background: Diet quality is strongly related to cardiovascular disease (CVD) incidence, but little is known about its impact on CVD events in older people at high risk of CVD and receiving effective drugs for secondary prevention. This study assessed the association between diet quality and CVD events in a large population of subjects from 40 coun...
Article
Full-text available
Objective: FFQ are commonly used to rank individuals by their food and nutrient intakes in large epidemiological studies. The purpose of the present study was to develop and validate an FFQ to rank individuals participating in an ongoing Prospective Urban and Rural Epidemiological (PURE) study in Chile. Design: An FFQ and four 24 h dietary recal...
Article
Full-text available
The Food Frequency Questionnaire (FFQ) is the most commonly used method for ranking individuals based on long term food intake in large epidemiological studies. The validation of an FFQ for specific populations is essential as food consumption is culture dependent. The aim of this study was to develop a Semi-quantitative Food Frequency Questionnair...
Article
A food frequency questionnaire (FFQ) is the most commonly used method in large epidemiological studies. The validation of an FFQ is essential for specific populations because foods are culture-dependent. The present study aimed to develop an FFQ and evaluate its validity and reproducibility in estimating the intake of nutrients in urban and rural a...
Article
Pre-eclampsia (PE) is one of the leading causes of maternal and perinatal morbidity and mortality worldwide. It has been proposed that, among other risk factors, the nutritional status of women can lead to the endothelial dysfunction that characterizes this entity. The aim of the present study was to compare the nutritional status of women with PE...
Article
Full-text available
The aim of this study was to assess the dietary intake of participants in the Polish-Norwegian Study (PONS). The presented study comprised 3,862 inhabitants of Świętokrzyskie Province aged 45-64 (2,572 females and 1,290 males). Daily intakes of energy, protein, carbohydrate, fat and fatty acid were estimated using the Food Frequency Questionnaire (...
Article
Full-text available
The aim of this cohort study was to evaluate selected mineral and vitamin intake of the Polish-Norwegian Study (PONS) participants. Daily mineral and vitamin intake of PONS study participants was estimated using Food Frequency Questionnaire (FFQ). Overall, 3,862 inhabitants of Świętokrzyskie Province aged 45-64 (2,572 females and 1,290 males) enrol...
Article
Objective: To validate a food frequency questionnaire (FFQ) against multiple 24-hour dietary recalls (DRs) that could be used for Colombian adults. Methods: A convenience sample of 219 individuals participated in the study. The validity of the FFQ was evaluated against multiple DRs. Four dietary recalls were collected during the year, and an FFQ...
Article
The higher consumption of fruit and vegetables is considered to be an indicator of healthy eating and the protective effects of fruit and vegetable (FV) consumption for noncommunicable diseases have been investigated extensively. The present study aimed to investigate the association between fruit and vegetable intake (FVI), health behaviours and s...
Article
Purpose: The purpose of this study was to investigate parents of young children for their perceptions on the causes of obesity, the impact of childhood obesity on health, and the barriers to successful prevention of childhood obesity. Data sources: The target population included parents who attended a clinic for their well-baby check-up. The stu...
Article
The prevalence of obesity and being overweight is rising among adult Canadians and diet is recognised as one of the main causes of obesity. The consumption of fruit and vegetables is shown to be protective against obesity and being overweight but little is known about the association of fruit juice consumption and obesity and being overweight. The...
Article
Little is known about the dietary habits of people with optimal body weight in communities with high overweight and obesity prevalence. To evaluate carbohydrate intake in relation to overweight and obesity in healthy, free-living adults. We used a cross-sectional analysis. The Canadian Community Health Survey Cycle 2.2 is a cross-sectional survey o...
Article
Full-text available
Percentage of body fat is strongly associated with the risk of several chronic diseases but its accurate measurement is difficult. Bioelectrical impedance analysis (BIA) is a relatively simple, quick and non-invasive technique, to measure body composition. It measures body fat accurately in controlled clinical conditions but its performance in the...
Article
Full-text available
To examine the validity of self-reported body mass index (BMI) in estimating the prevalence of obesity in the Canadian population, and to suggest a model for predicting actual BMI from self-reported data. This analysis is based on 1131 participants with both self-reported and measured height and weight from the Canadian Community Health Survey, Cyc...
Data
Full-text available
Description of studies included in meta-analysis. Studies that reported the correlation coefficient between dietary intake of vitamin C measured by dietary assessment tools and plasma level of vitamin C.