The impact of noise exposure and work posture on job stress in a food company.

Background: In most food companies, workers are constantly exposed to non-standard levels of noise. Also, food production processes require intense manual labor and repetitive movements, which may result in musculoskeletal disorders (MSDs). Noise and awkward posture are considered as two important physical factors in the industrialized world, which can related to perceived stress.

Normative hand grip strength and prediction models for Iranian office employees.

Background: Normative data on Hand grip strength has a wide range of application and is of great value.

Objective: To establish gender and age-specific reference data concerning hand grip strength of Iranian office workers, to explore possible relationships with demographic and anthropometric factors and to develop appropriate predictive models.

Methods: The study population included 418 (220 males and 198 females) Iranian office employees.

Moral Distress among Iranian Nurses.

Objective: The purpose of this study was to describe the moral distress among Iranian registered nurses.

Methods: This was a descriptive -analytic study, in which 264 out of 1000 nurses were randomly selected as a sample group and completed the questionnaire. The nurses' moral distress was assessed using Corley's 30-item Moral Distress Scale adapted for use in an Iranian population.