Development of a safe food handling knowledge questionnaire: psychometric properties and acceptability among consumers
Article publication date: 7 April 2022
Issue publication date: 2 January 2023
Foodborne illness remains high globally, with the majority of cases occurring in the domestic environment. Research in the safe food-handling domain is limited by the absence of an up-to-date and suitable measure of safe food-handling knowledge for use among consumers, with previous measures limited by questionnaire design features that increase participant burden and burnout and a lack of alignment with current safe food-handling guidelines. The purpose of this study is to develop a safe food-handling knowledge measure to capture a comprehensive understanding of consumers’ safe food-handling knowledge while minimising participant burden and burnout.
Items were developed and evaluated prior to administering them to participants. Data was collected among 277 participants who completed the measure online.
Results indicated that the measure had good acceptability among participants in the sample (mean = 5.44, SD = 0.77, range = 2.42–7) and that the measure had acceptable reliability (Cronbach’s α = 0.60), item discrimination and item difficulty. These findings suggest that the safe food-handling knowledge measure would be suitable for use in future studies examining consumer safe food-handling.
This study provides an updated, acceptable and suitable safe food-handling knowledge measure for use among consumers to better understand consumers’ understanding of safe food-handling practices. Use of this measure in future research can improve the measurement of consumer safe food-handling knowledge to allow for better tailoring of future interventions and health campaigns for safe food-handling among consumers.
The authors would like to acknowledge and thank the Australian Government for the support provided through the Stipend Scholarship program for Higher Degree by Research students.
Funding: This research did not receive any specific grant from funding agencies in the public, commercial or not-for-profit sectors.
Charlesworth, J., Mullan, B. and Preece, D. (2023), "Development of a safe food handling knowledge questionnaire: psychometric properties and acceptability among consumers", Nutrition & Food Science, Vol. 53 No. 1, pp. 1-18. https://doi.org/10.1108/NFS-12-2021-0365
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