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  • Title: Reliability and validity of the Pressure Management Inventory in a Malaysian population.
    Author: Loh SY.
    Journal: Med J Malaysia; 2004 Jun; 59(2):199-206. PubMed ID: 15559170.
    Abstract:
    There is a general lack of valid tools to measure work stress of Malaysian. This study examines the validity and reliability of the Pressure Management Inventory (PMI). Reliability was evaluated using test retest method, and its correlation coefficient was calculated using Pearson's r. Internal consistencies were examined using Cronbach's Alpha. For precision, the Intraclass coefficients (ICC) were calculated for all the scales. Face Validity and Content Validity were assessed using an open-ended questionnaire on 6 content experts (psychiatrists in HKL). The results show good internal consistencies (alpha < or = 0.7) for most subscales, with the best results in the 'Pressure Scale'. The weak scales are 'Individual-Differences' scale and 'Social Support' scale. The test-retest correlation coefficients were significant at the level of p<0.001 for all, except one scale. The ICC coefficients were high (>0.7) for most scales, particularly for Pressure, Health and Coping Scales. The PMI is a suitable, reliable and valid tool to measure stress of Malaysians. More in-depth study with a wider sampling needs to be carried out to add confidence of its usage on Malaysians.
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