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  1. Fulltext Job strain among Malaysian office workers of a multinational company
    Maizura H, Retneswari M, Moe H, Hoe VC, Bulgiba A
    Occup Med (Lond), 2010 May;60(3):219-24.
    PMID: 20308258 DOI: 10.1093/occmed/kqq001
    Information on job strain exposure among Malaysian workers in multinational companies is limited.
  2. Reliability (internal consistency) of the job content questionnaire on job stress among office workers of a multinational company in Kuala Lumpur
    Maizura H, Masilamani R, Aris T
    Asia Pac J Public Health, 2009 Apr;21(2):216-22.
    PMID: 19189999 DOI: 10.1177/1010539509331981
    This small, cross-sectional study assessed the reliability of 3 scales from the Job Content Questionnaire (JCQ)-decision latitude, psychological job demand, and social support-in a group of office workers in a multinational company in Kuala Lumpur. A universal sample of 30 white-collar workers from a department of the company self-administered the English version of the JCQ comprising 21 core items selected from the full recommended version of 49 items on-site. Reliability (internal consistency) was evaluated using Cronbach's alpha coefficients for each scale. Corrected item-total correlation was presented for each and every item. Cronbach's alpha coefficients were acceptable for decision latitude (.76) and social support (.79) but slightly lower for psychological job demand (.64). Values for all item-total correlations for all 3 scales were greater than .3. In conclusion, this study suggests that the JCQ is a reliable scale for assessing job stress in this group of workers.
  3. Impacts of PM2.5 on respiratory system among traffic policemen
    Putri Anis Syahira MJ, Karmegam K, Nur Athirah Diyana MY, Irniza R, Shamsul Bahri MT, Vivien H, et al.
    Work, 2020;66(1):25-29.
    PMID: 32417810 DOI: 10.3233/WOR-203147
    BACKGROUND: Malaysian traffic policemen are constantly exposed to unhealthy air in the outdoor environment, which results in various health problems. This study investigates the relationship of the personal exposure level to PM2.5 and lung functions in traffic policemen in Kuala Lumpur and Johor Bahru.

    METHODS: A pulmonary function test using a spirometer was carried out to measure the lung function of the traffic policemen. The personal exposure level to PM2.5 was measured using a pump with a PVC filter and 5.0μm pore size. A questionnaire requesting the background data, such as age, height, and weight, was also used for testing lung function abnormalities.

    RESULTS: The PM2.5 personal exposure level was found to be significantly related to lung function (predicted FEV1 and predicted FVC) at p-value 

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