Reliability and validity assessment of the Persian version of household insecticide using pattern questionnaire

Background and Objective: In assessing the risk of community related poisonings due to insecticide use a practical and effective tool is needed to evaluate insecticides Therefore, the present study aimed to investigate the reliability and validity of exposure patterns to insecticides. Materials and Methods: In this study, after performing validity, translation of the final version of the questionnaire was prepared based on the agreement of experts in accordance with the study population. In the next step, the reliability validity of the study was investigated. Finally, the questionnaire reliability was evaluated by test-retest method at a 14-day interval with the participation of 40 resident of Tehran city. Results:  The results of R-CVI and C-CVI were evaluated as good for all of items (between 0.91 and 0.97). The total CVI index for the whole questionnaire ranged from 0.75 to 1 in terms of proportion and transparency. On the other hand, the total coefficient of kappa for reliability of the questionnaire was obtained between 0.89 and 1. Conclusion: Considering the acceptable validity and reliability level of the Persian version, this questionnaire is a valid tool and can be applied to assess the risk of insecticide use and its associated injuries in the Iranian population.