Development of a Pesticide Labeling Literacy Scale for Thai Rice Farmers: Item Generation and Content Validity Testing.

IF 2.1 3区 医学 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Journal of Agromedicine Pub Date : 2025-03-10 DOI:10.1080/1059924X.2025.2468416
Phiranut Saeneewong Na Ayuttaya, Nuttaporn Lawthong, Mark Gregory Robson, Wattasit Siriwong
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Abstract

Background: Occupational exposure to pesticides in rice cultivation poses health risks, exacerbated by factors contributing to the improper use of pesticides. One significant factor is the limited literacy skills of farmers, hindering their ability to read and comprehend pesticide labels. Research in this area is limited by the lack of an acceptable method for measuring pesticide labeling literacy.

Objective: The aim of this study was to develop a valid and reliable questionnaire to assess pesticide labeling literacy in Thai rice farmers.

Method: The scale development involved identifying components and dimensions of pesticide labeling, formulating question items, and designing the scale based on literature reviews and expert interviews. The content validity of items was evaluated by experts using the Content Validity Index (CVI) and Content Validity Ratio (CVR). After the pilot test, the difficulty, discrimination index, reliability and construct validity of the scale were examined using exploratory factor analysis (EFA). The confirmatory factor analysis (CFA) was evaluated on 400 rice farmers.

Results: The pesticide labeling literacy scale was structured into five components: Access, Understanding, Awareness, Analysis, and Application. The CVI and CVR results fell within the acceptable range, confirming content validity. After refining the questionnaire based on the pilot test, a 40-item scale was derived, with items exhibiting suitable difficulty indices (0.28-0.76) and discrimination indices (0.20-0.70). The overall pesticide labeling literacy scale demonstrated acceptable internal consistency, with a Cronbach's alpha of 0.896 The exploratory factor analysis (EFA) indicated that the scale was suitable for factor analysis. The results of the confirmatory factor analysis (CFA) demonstrated that the model aligned well with the empirical data and exhibited acceptable fit indices for the proposed model. The final version of the scale comprised 35 questionnaire items.

Conclusion: The 35-item questionnaire is a valid and reliable instrument for assessing pesticide labeling literacy among Thai rice farmers. It encompassed five components: Access, Understanding, Awareness, Analysis, and Application This innovative scale has the potential to serve as an effective tool for evaluating the level of pesticide labeling literacy among Thai rice farmers.

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来源期刊
Journal of Agromedicine
Journal of Agromedicine PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH-
CiteScore
4.10
自引率
20.80%
发文量
84
审稿时长
>12 weeks
期刊介绍: The Journal of Agromedicine: Practice, Policy, and Research publishes translational research, reports and editorials related to agricultural health, safety and medicine. The Journal of Agromedicine seeks to engage the global agricultural health and safety community including rural health care providers, agricultural health and safety practitioners, academic researchers, government agencies, policy makers, and others. The Journal of Agromedicine is committed to providing its readers with relevant, rigorously peer-reviewed, original articles. The journal welcomes high quality submissions as they relate to agricultural health and safety in the areas of: • Behavioral and Mental Health • Climate Change • Education/Training • Emerging Practices • Environmental Public Health • Epidemiology • Ergonomics • Injury Prevention • Occupational and Industrial Health • Pesticides • Policy • Safety Interventions and Evaluation • Technology
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