Objective and subjective assessments of lighting in a hospital setting: implications for health, safety and performance

Iman Dianat, Ali Sedghi, Javad Bagherzade, Mohammad Asghari Jafarabadi, Alex W. Stedmon

    Research output: Contribution to journalArticle

    50 Citations (Scopus)

    Abstract

    A field study was conducted to evaluate the illumination levels, to examine the effect of lighting conditions (including lighting characteristics and disturbances) on employee satisfaction, job performance, safety and health, and to compare the employees' perception of lighting level with actual illuminance levels in a hospital setting using both questionnaire and physical illuminance measurements. The illumination levels varied across different locations within the hospital and were lower than standards for 52.2% of the workplaces surveyed. Most respondents indicated that at least one of the four lighting characteristics (i.e. light level, type of light sources, light colour and use of daylight) was inappropriate, and that at least one of the three lighting disturbances (i.e. flickering lights, glare and unwanted shadows) was a major disturbance to them. The employees' perceptions of illuminance generally reflected the actual illuminance levels. The more appropriate maintenance or installation of lighting fixtures was rated as the most appropriate for improving lighting. The findings suggest that environmental ergonomics should be given a more prominent role in hospital building and workplace design to support safer healthcare facilities (for staff and potentially for patients).
    Original languageEnglish
    Pages (from-to)1535-1545
    JournalErgonomics
    Volume56
    Issue number10
    DOIs
    Publication statusPublished - 2013

    Bibliographical note

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    Keywords

    • light level
    • illuminance
    • healthcare
    • field study
    • environmental ergonomics

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