Volume 20, Issue 1 (Suppl 2011)                   J Mazandaran Univ Med Sci 2011, 20(1): 102-113 | Back to browse issues page

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Mohammadi Zeidi I, Pakpour Hajiagha A, Mohammadi Zeidi B. Reliability and Validity of Persian Version of the Health-Promoting Lifestyle Profile. J Mazandaran Univ Med Sci 2011; 20 (1) :102-113
URL: http://jmums.mazums.ac.ir/article-1-955-en.html
Abstract:   (49311 Views)
Abstract Background and purpose: Since lifestyle affects one’s health, health-promoting activities and a healthy lifestyle are major strategies to facilitate and preserve health. Unfortunately, there are no native instruments for measuring health-enhancing behaviors. Therefore, the purpose of this study was to assess the validity and reliability of the Farsi version of the health-promoting lifestyle profile (HPLPII) in Iran. Materials and methods: The instrument, using Jones et al. approach, was translated into Persian and then was back-translated. Then, a panel of experts examined the questionnaire with regard to cultural sensitivities, clarity of the questions, differences and errors in their meanings. The Farsi version was then evaluated using a convenience sample of 466 adults referring to health care centers in Qazvin. Finally, based on data collected from cross-sectional study, confirmatory and exploratory factor analyses were employed to determine the construct validity of the questionnaire. To determine reliability, a test-retest administration with a two-week interval was used. Moreover, to examine the internal consistency, Cronbach's alpha coefficient was calculated. Results: The order of factors was not entirely identical to that of the psychometric assessment of its English version. It was found that the two versions were similar only in the structure of the two factors, namely interpersonal relationship and nutrition. The alpha reliability coefficient was 0.82 for the total scale and ranged from 0.64 to 0.91 for the subscales. All items had acceptable item-total correlations (P>0.34). Test-retest results showed stability for HPLPII as well as for the subscales. The confirmatory factor analysis related to six-factor model represented an acceptable fit. Examining the latent constructs of the measurement model reduced the number of items from 52 to 49. Conclusion: It was concluded that the Farsi version of the health promoting lifestyle profile has demonstrated initial reliability and validity.
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