Ala~traet--Errors-in-variables problems are considered for the case of three variables, where the underlying relations among the noise-free variables are linear, and covariance information for the noisy variables is available. The static problem where the variables are complex (which can arise when narrowband filtering is used) is analysed in detail. Some results are also presented for the case...

DOI http://dx.doi.org/10.1590/19820194201400088 Universidade Federal do Piauí, Teresina, PI, Brazil. Escola de Enfermagem, Universidade de São Paulo, Ribeirão Preto, SP, Brazil. Conflicts of interest: There are no conflicts of interest to declare. Abstract Objective: To analyze the association between illness and occupational risks among mental health workers. Methods: An epidemiological cross-...

BACKGROUND The study of the severity of occupational injuries is very important for the establishment of prevention plans. The aim of this paper is to analyze the distribution of occupational injuries by a) individual factors b) work place characteristics and c) working conditions and to analyze the severity of occupational injuries by this characteristics in men and women in Andalusia. METHO...

OBJECTIVES To compare the characteristics and rates of at-risk drinking among patients presenting to the emergency department (ED) with occupational and nonoccupational injury. METHODS Cross-sectional survey of injured patients presenting to a university hospital ED. Injured patients were prospectively identified, and consenting patients completed a survey including questions regarding quanti...

This study aimed to (a) assess the relationship between a person's occupational category and their physical inactivity, and (b) analyze the association among country-level variables and physical inactivity. The World Health Survey (WHS) was administered in 2002-2003 among 47 low- and middle-income countries (n = 196,742). The International Physical Activity Questionnaire (IPAQ) was used to coll...

Computerized databases can facilitate several types of occupational therapy research. The value and usefulness of any database, however, is dependent on how well it has been designed. In this paper, a systematic, sequential-process model for the development of a computerized database is introduced. Each component of the model is illustrated by examples of its application to the actual design of...

BACKGROUND In the police force, some variables such as occupational rank, sex, age and work-shift are associated with stress in workers. The aim of this paper was to determine possible differences in the perception of occupational stress at work depending on rank, sex, age and work-shift of police agents in the Community of Madrid, Spain. METHOD A cross-sectional study was conducted in 24 mun...

BACKGROUND Coal workers' pneumoconiosis (CWP) is a preventable, but not fully curable occupational lung disease. More and more coal miners are likely to be at risk of developing CWP owing to an increase in coal production and utilization, especially in developing countries. Coal miners with different occupational categories and durations of dust exposure may be at different levels of risk for C...

Background: Identifying the predisposing factors of neck and shoulder complaints and finding solutions to avoid them could improve the occupational health condition of the nurses. In this study, we aimed at determining the role of psychological and physical occupational factors in developing neck and shoulder complaints among the participants. Methods: This analytic cross-sectional study was co...

background: the aim of this study was to verify a path model of job stress using thai-jcq. methods: the population of this cross-sectional study was 800 immigrant employees in the central region of thailand in 2015 by stratified random sampling. instruments used both the applied and standard questionnaires. job stress was measured using thai-jcq dealt with psychosocial work factors. a path mode...