Reliable, comparable information about the main causes of disease and injury in populations, and how these are changing, is a critical input for debates about priorities in the health sector. Traditional sources of information about the descriptive epidemiology of diseases, injuries and risk factors are generally incomplete, fragmented and of uncertain reliability and comparability. Lack of a s...

BACKGROUND Population-based epidemiological studies of essential and other tremors have need of a rapid yet accurate means to assess tremor, especially mild tremors. Handwriting is often affected by tremor, and a hand-drawn spiral can provide investigators with objective rather than self-reported data. We present a semi-quantitative, ordinal scale to rate hand-drawn spirals. The scale, which in...

OBJECTIVE To validate a brief FFQ developed for capturing short-term antioxidant intake in a sample of US college students. DESIGN A seventy-four-item antioxidant FFQ was developed based on major antioxidant sources in the American diet. The FFQ was validated against 30 d food records (FR) and plasma antioxidant concentrations. The reliability of the FFQ was evaluated by two FFQ administered ...

OBJECTIVES Physical Activity Scale for the Elderly (PASE) is a widely used questionnaire in epidemiological studies for assessing the physical activity level of elderly. This study aims to translate and validate PASE in Chinese population. DESIGN Cross-sectional study. SUBJECTS Chinese elderly aged 65 or above. METHODS The original English version of PASE was translated into Chinese (PASE...

OBJECTIVES The aim of this study was to evaluate whether clinical test values from different laboratories in the Korean Genome and Epidemiology Study (KoGES) can be integrated through a statistical adjustment algorithm with appropriate intra- and inter-laboratory reliability. METHODS External quality control data were obtained from the Korean Society for Laboratory Medicine and quadruplicated...

Two subscales for a breast cancer knowledge test were developed and tested to be used (a) in determining a woman's general knowledge of breast cancer (i.e. risk factors and epidemiology) and her knowledge of breast cancer curability, and (b) in exploring the relationship between knowledge of breast cancer and utilization of screening practices. These subscales were designed to be used in conjun...

objective: this study aimed to examin the psychometric characteristics of the persian version of reproductive health assessment questionnaire for women of reproductive age (rhaqwra). materials and methods: this study was a cross sectional study. we selected 150 women aged 18- 45 years based on convenience sampling method who lived in the quake-hit areas  in eastern part of iran in 2013. some pr...

Background and Objectives: One of the relatively modern branches in the knowledge of epidemiology, which despite being very important, very few articles have been published about it so far, is the branch of educational epidemiology. Therefore, the purpose of this study is to introduce the branch of educational epidemiology. Materials and Methods: This study is a comprehensive review study in w...