Search Results - "Mansournia, Mohammad Ali"

Contribution of obesity and cardiometabolic risk factors in developing cardiovascular disease: a population-based cohort study by Bakhtiyari, Mahmood, Kazemian, Elham, Kabir, Kourosh, Hadaegh, Farzad, Aghajanian, Sepehr, Mardi, Parham, Ghahfarokhi, Nooshin Taherzadeh, Ghanbari, Ali, Mansournia, Mohammad Ali, Azizi, Freidoun

“…This study aims to assess the effects of central and general adiposity on development of cardiovascular diseases (CVDs) mediated by cardiometabolic risk…”
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The Targeted Maximum Likelihood estimation to estimate the causal effects of the previous tuberculosis treatment in Multidrug-resistant tuberculosis in Sudan by Elduma, Adel Hussein, Holakouie-Naieni, Kourosh, Almasi-Hashiani, Amir, Rahimi Foroushani, Abbas, Mustafa Hamdan Ali, Hamdan, Adam, Muatsim Ahmed Mohammed, Elsony, Asma, Ali Mansournia, Mohammad

“…This study used Targeted Maximum Likelihood Estimation (TMLE) as a double robust method to estimate the causal effect of previous tuberculosis treatment…”
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Effects of Hypothetical Interventions on Ischemic Stroke Using Parametric G-Formula by Mokhayeri, Yaser, Hashemi-Nazari, Seyed Saeed, Khodakarim, Soheila, Safiri, Saeid, Mansournia, Nasrin, Mansournia, Mohammad Ali, Kaufman, Jay S, Naimi, Ashley I

“…BACKGROUND AND PURPOSE—Standard analytic approaches (eg, logistic regression) fail to adequately control for time-dependent confounding and, therefore, may…”
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Association of extracellular heat shock protein 70 and insulin resistance in type 2 diabetes; independent of obesity and C-reactive protein by Alemi, Hamid, Khaloo, Pegah, Rabizadeh, Soghra, Mansournia, Mohammad Ali, Mirmiranpour, Hossein, Salehi, Salome Sadat, Esteghamati, Alireza, Nakhjavani, Manouchehr

“…Despite few studies on intracellular heat shock protein70, the clinical association between insulin resistance and extracellular heat shock protein70 (eHSP70)…”
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The effect of omega-3 fatty acids on depressive symptoms and inflammatory markers in maintenance hemodialysis patients: a randomized, placebo-controlled clinical trial by Gharekhani, Afshin, Khatami, Mohammad-Reza, Dashti-Khavidaki, Simin, Razeghi, Effat, Noorbala, Ahmad-Ali, Hashemi-Nazari, Seyed-Saeed, Mansournia, Mohammad-Ali

“…Purpose This study was designed to investigate the effects of omega-3 fatty acids on depression and chronic inflammation in hemodialysis patients. Method…”
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Penalization, bias reduction, and default priors in logistic and related categorical and survival regressions by Greenland, Sander, Mansournia, Mohammad Ali

“…Penalization is a very general method of stabilizing or regularizing estimates, which has both frequentist and Bayesian rationales. We consider some questions…”
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Investigating the Relationship between Structural Features of Built Environment and Physical Activity using Geographic Information Systems (GIS) by Noormohammadpour, Pardis, Ghadimi, Ehsan, Memari, Amirhossein, Selk-Ghaffari, Maryam, Mansournia, Mohammad Ali, Kordi, Ramin

“…Built environment determinants of engaging in physical activity are dependent on the properties of societies. This study investigates the relationship between…”
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Errors in causal inference: an organizational schema for systematic error and random error by Suzuki, Etsuji, MD, PhD, Tsuda, Toshihide, MD, PhD, Mitsuhashi, Toshiharu, MD, PhD, Mansournia, Mohammad Ali, MD, MPH, PhD, Yamamoto, Eiji, PhD

“…Abstract Purpose To provide an organizational schema for systematic error and random error in estimating causal measures, aimed at clarifying the concept of…”
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Recommendations for accurate reporting in medical research statistics by Mansournia, Mohammad Ali, Nazemipour, Maryam

“…In particular, large p values should not be interpreted as showing no association or no effect: absence of evidence is not evidence of absence.8 Only a very…”
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An ad hoc method for dual adjusting for measurement errors and nonresponse bias for estimating prevalence in survey data: Application to Iranian mental health survey on any illicit drug use by Khalagi, Kazem, Mansournia, Mohammad Ali, Motevalian, Seyed-Abbas, Nourijelyani, Keramat, Rahimi-Movaghar, Afarin, Bakhtiyari, Mahmood

“…Purpose The prevalence estimates of binary variables in sample surveys are often subject to two systematic errors: measurement error and nonresponse bias. A…”
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Separation in Logistic Regression: Causes, Consequences, and Control by Mansournia, Mohammad Ali, Geroldinger, Angelika, Greenland, Sander, Heinze, Georg

“…Abstract Separation is encountered in regression models with a discrete outcome (such as logistic regression) where the covariates perfectly predict the…”
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Sample size considerations are needed for the causal analyses of existing databases by Mansournia, Mohammad Ali

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Interaction Contrasts and Collider Bias by Mansournia, Mohammad Ali, Nazemipour, Maryam, Etminan, Mahyar

“…Abstract Previous papers have mentioned that conditioning on a binary collider would introduce an association between its causes in at least 1 stratum. In this…”
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Profile of drug users in the residential treatment centers of Tehran, Iran by Akbari, Hossein, Roshanpajouh, Mohsen, Nourijelyani, Keramat, Mansournia, Mohammad-Ali, Rahimi-Movaghar, Afarin, Yazdani, Kamran

“…The current study aimed at determining the pattern of drug dependence and its related factors in mid-term residential treatment centers (MTRCs). The current…”
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Using Causal Diagrams to Improve the Design and Interpretation of Medical Research by Etminan, Mahyar, Collins, Gary S., Mansournia, Mohammad Ali

“…Causal directed acyclic graphs (cDAGs) have become popular tools for researchers to better examine biases related to causal questions. DAGs comprise a series…”
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Case-control matching: effects, misconceptions, and recommendations by Mansournia, Mohammad Ali, Jewell, Nicholas Patrick, Greenland, Sander

“…Misconceptions about the impact of case—control matching remain common. We discuss several subtle problems associated with matched case-control studies that do…”
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Joint Waterpipe and Cigarette Smoking as Key Correlate of History of Depression in Iranian Population: A Cross-Sectional Study by Abdollahpour, Ibrahim, Golestannejad, Zahra, Salimi, Yahya, Nedjat, Saharnaz, Aguilar-Palacioc, Isabel, Mansournia, Mohammad Ali, de Courten, Maximilian

“…Research on the association between waterpipe smoking and depression is limited. This study aimed to explore the prevalence and adjusted associated correlates…”
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Effects of Oral Supplementation With Omega-3 Fatty Acids on Nutritional State and Inflammatory Markers in Maintenance Hemodialysis Patients by Gharekhani, Afshin, PharmD, Khatami, Mohammad-Reza, MD, Dashti-Khavidaki, Simin, PharmD, Razeghi, Effat, MD, Abdollahi, Alireza, MD, Hashemi-Nazari, Seyed-Saeed, MD, MPH, PhD, Mansournia, Mohammad-Ali, MD, MPH, PhD

“…Objective The objective was to determine the effects of omega-3 supplementation on nutritional state and inflammatory markers of hemodialysis patients. Design…”
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Global, regional and national burden of rheumatoid arthritis 1990-2017: a systematic analysis of the Global Burden of Disease study 2017 by Safiri, Saeid, Kolahi, Ali Asghar, Hoy, Damian, Smith, Emma, Bettampadi, Deepti, Mansournia, Mohammad Ali, Almasi-Hashiani, Amir, Ashrafi-Asgarabad, Ahad, Moradi-Lakeh, Maziar, Qorbani, Mostafa, Collins, Gary, Woolf, Anthony D, March, Lyn, Cross, Marita

“…To provide the level and trends of prevalence, incidence and disability adjusted life years (DALYs) for rheumatoid arthritis (RA) in 195 countries from 1990 to…”
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Associations of regular glucosamine use with all-cause and cause-specific mortality: causality assumptions need to be checked by Safiri, Saeid, Mansournia, Mohammad Ali

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