Ebrahim Hajizadeh
Associate Professor of biostatistics Department, School of Medical Sciences, Tarbiat Modares University, Tehran, Iran
[ 1 ] - Effect of health promotion program with collaborative approach on physical activity of overweight school-age girls
Background: Nowadays, due to ineffectiveness of interventions in the prevention of obesity in school-age children, collaborative approach in order to prevent and control the obesity seems necessary. Aim: to assess the impact of health promotion programs with collaborative approach on physical activity levels of overweight school-age girls. Methods: This quasi-experimental and pretest/post-test ...
[ 2 ] - The effect of Orientation technique on vital sign and anxiety level of patients undergoing Endoscopic Retrograde Cholangiopancreatography (ERCP)
Background: Diagnostic and therapeutic procedures such as Endoscopic Retrograde Cholangiopancreatography (ERCP) is stressful for the patient. Aim: to determine the influence of Orientation technique on anxiety levels and pulse rate in patients before ERCP in Talaghni hospital in 2011. Method: This study was a randomized controlled clinical trial which carried out on 70 subjects with gastrointe...
[ 3 ] - The Effect of Supportive Program of Complementary Feeding to Mothers on Infantile Anthropometric Indicators
Background: The index of weight for age, height for age and weight for height reduces in 6th -18th months of birth. Infancy is the most of period for primary prevention, supporting and teaching of mothers. Aim: To determine the effect of supporting complementary feeding program to mothers on 6-12 months infants' anthropometric indexes referring to Mashhad Daneshamooz Health Center fromApril to...
[ 4 ] - عوامل مؤثر بر نسبت شفایافتگی در پیوند قرنیه با استفاده از تحلیل بقا
زمینه و هدف: شایع‌ترین علت دفع دیررس پیوند قرنیه، دفع آن توسط دستگاه ایمنی فرد می‌باشد که عوامل متعددی در وقوع آن مؤثرند. از آن‌جایی که در پیوند قرنیه تعداد زیادی از افراد عضو پیوندی را دفع نمی‌کنند؛ لذا در تحلیل بررسی عوامل مؤثر در چنین داده‌هایی در طی زمان، از آنالیز بقا با نسبت شفایافتگی استفاده می‌شود. هدف اصلی این مطالعه برآورد نسبت شفایافته‌ها (کسانی که پیوند در آن‌ها دفع نمی‌شود) و بررسی...
[ 5 ] - The predictors of osteoporosis preventive behaviors in women based on health belief model
Osteoporosis, as a disease, is characterized by low bone mass and micro architectural deterioration of bone tissue. The aim of this study was to survey the predictors of osteoporosis preventive behaviors based on health belief model. This cross-sectional study was carried out on 401 randomly selected women referring to health centers. Data collection was based on health belief model. The employ...
[ 6 ] - Evaluation of intrapersonal and interpersonal factors of male adolescent smoking
Most adult smokers began smoking during adolescence, making adolescence tobacco prevention an especially important public health goal. The purpose of this paper is Evaluation of intrapersonal and interpersonal factors of cigarette smoking among Zarandieh male adolescents based on theory of planned behavior. A sample of 400 high schools students, were collected in a cross-sectional survey. The ...
[ 7 ] - Evaluation of First and Second Markov Chains Sensitivity and Specificity as Statistical Approach for Prediction of Sequences of Genes in Virus Double Strand DNA Genomes
Growing amount of information on biological sequences has made application of statistical approaches necessary for modeling and estimation of their functions. In this paper, sensitivity and specificity of the first and second Markov chains for prediction of genes was evaluated using the complete double stranded DNA virus. There were two approaches for prediction of each Markov Model parameter,...