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Adaptation and content validity of a battery of questionnaires for identifying occupational conditions among Chilean artisanal and small-scale miners

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Evaluation of content validity by criterion according to the questionnaire.
QuestionnaireNumber of items usedClarityV (CI 95%)RelevanceV (CI 95%)SufficencyV (CI 95%)CoherenceV (CI 95%)% ítems with 4 criteria V ≥ 0.80
General employment and working conditions 320.77 (0.59 to 0.87)0.88 (0.73 to 0.95)0.80 (0.64 to 0.90)0.87 (0.72 to 0.94)56.3% (n = 18)
Exposure to UV radiation and heat 210.83 (0.66 to 0.93)0.95 (0.81 to 0.98)0.88 (0.71 to 0.95)0.92 (0.77 to 0.97)76.2% (n = 16)
Exposure to silica 170.85 (0.68 to 0.94)0.90 (0.74 to 0.96)0.89 (0.72 to 0.95)0.83 (0.74 to 0.96)100% (n = 17)
Noise exposure and hearing health 400.87 (0.69 to 0.94)0.95 (0.8 to 0.98)0.86 (0.69 to .95)0.89 (0.73 to 0.95)72.5% (n = 29)
Musculoskeletal Disorders Risk Conditions 210.94 (0.77 to 0.98)0.95 (0.81 to 0.96)0.95 (0.79 to 0.99)0.98 (0.83 to 0.99)95.2% (n = 20)
Exposure to diesel fuel 40.91 (0.74 to 0.97)0.99 (0.86 to 0.99)0.94 (0.78 to 098)0.98 (0.85 to 0.99)100% (n = 4)
Exposure to biological agents 70.89 (0.73 to 0.96)0.90 (0.74 to 0.96)0.82 (0.6 to 0.92)0.88 (0.72 to 0.96)85.7% (n = 6)
Exposure to chemical agents (pesticides) 130.89 (0.71 to 0.96)0.93 (0.76 to 0.98)0.84 (0.68 to 0.90)0.92 (0.74 to 0.97)100% (n = 13)

UV, ultraviolet. CI, confidence interval.

The following are considered: average Aiken V index, confidence interval and proportion of items with satisfactory scores.

Source: Prepared by the authors of this study.