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59 participants were included in the study, and more than half (52.5%) of them were men. The response rate was 100% and the mean time taken to answer the questionnaire was 10.5min. The average Intraclass Correlation Coefficient (ICC) and Cronbach's Alpha were determined to be 0.93 each, indicating that all the items in the OAQoL were significantly interrelated. The translated Arabic version of the OAQoL questionnaire used in this study is a reliable and consistent tool that showed good comprehensibility and internal consisten

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A new index is proposed to determine the affinity of heavy metals (HM) to carrier phases (AHM-fraction), which, in contrast to the traditional index pCHM = 100 CHM-fraction/CHM-soil (Fedotov et al., Environ Chem 16323-332, 2019; Land et al., Chem Geol 160121-138, 1999), considers the sum of all metals in the phase as a share of the sum of the bulk content of all HM in the soil. Then, index of the affinity of HM for the given phase (ALn-phase) is determined by formula AHM = (CHM-phase/ΣCHM-phase)/(CHM-soil/ΣCHM-soil), where CLn-phase is the