نتایج جستجو برای: iran n130000 by using multistage random sampling technique
تعداد نتایج: 8902842 فیلتر نتایج به سال:
BACKGROUND Despite long-standing iodine supplementation in Iran, the prevalence of goiter remains high in some areas. This suggests other nutritional deficiencies may be considered as responsible factors for goiter persistence. In the present study we investigated the possible role of vitamin A deficiency (VAD) and low vitamin A status in the etiology of endemic goiter in Semirom, Iran. MATER...
BACKGROUND Information on the health and growth status of the population is essential for planning and administering health promotion programs. METHODS This is a cross-sectional study of the anthropometric measurements of United Arab Emirates (UAE) children aged 0-18 years, by a multistage stratified random sampling technique based on age and sex. Healthy, full-term children of UAE nationalit...
BACKGROUND Obesity is a public health problem that has raised concern worldwide. Numerous epidemiological studies have been showed the relationship between obesity, abdominal fatness and risk of a wide range of illnesses (i.e. diabetes). Obese people experience health-related quality-of-life (HRQL) impairments. The purpose of this study was to evaluate the effect of BMI on Quality of Life, amon...
BACKGROUND Despite long standing iodine supplementation in Iran the prevalence of goiter remains high in some areas. In the present study we investigated the possible role of thiocyanate as a goitrogen in the etiology of goiter in Isfahan, Iran. METHODS A total of 2331 (6-13 year old) school children were selected by multistage random sampling. Thyroid size was estimated in each child by insp...
the present dissertation aims to investigate four-word lexical bundles in applied linguistics research articles by iranian and internationally-published writers. the aims of this study are two-fold: first of all, attempts have been made to create a comprehensive list of the most commonly used four-word lexical bundles categorized by their type and token frequency, their structural characteristi...
Method: A verbal autopsy questionnaire was used to interview close relatives of women within the reproductive age group who had died of pregnancy-related complications in the Sokoto metropolis during the preceding two years. A multistage sampling method using simple random sampling at each step was used to select areas of study within the Sokoto metropolis. Data analysis was carried out using a...
background: to investigate the prevalence of antibiotic usage in children aged <5 years with acute respiratory tract illness (arti) in iran. materials and methods: data were collected from a national health survey conducted in 2010 (iran’s multiple indicator demographic and health survey). participants of this cross-sectional study were selected by multistage stratifi ed cluster-random sampling...
BACKGROUND Oral and dental health diseases can affect the general health of students. OBJECTIVES The aim of this study was to identify the predictors of oral and dental health behavior using the health belief model (HBM) in female students in Teheran, Iran. PATIENTS AND METHODS This was a cross-sectional study framed by the HBM, including 400 female students living in district 5 of Tehran, ...
Background: The association of duration of breastfeeding (BF) with weight disorders remains controversial. This study aimed to evaluate the association of BF with anthropometric measures and weight disorders in Iranian children and adolescents. Materials and Methods: Using multistage random cluster sampling method, a representative sample of 25,000 school students were selected from urban an...
OBJECTIVE To investigate vitamin D status and its association with components of the metabolic syndrome (MetS) in adolescent girls attending high school in Boukan, Iran during winter 2012. DESIGN A cross-sectional study. SETTING High schools of Boukan city, Iran. SUBJECTS A sample of 216 girls aged 14-17 years was selected by multistage random sampling from four districts of Boukan. Weigh...
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