The influence of occupational health knowledge-attitude-practice on blood lead level in lead-exposed workers / 中国职业医学

ABSTRACT

OBJECTIVE: To comprehend the status of knowledge-attitude-practice( KAP) and its effect on blood lead in workers exposed to lead.METHODS: Three hundred and fifty-one first-line lead exposed workers in the smelting industry were chosen as study subjects by cluster sampling method.Blood lead levels in peripheral venous blood were detected.Questionnaire survey was conducted by self-compiled Questionnaire of Knowledge-attitude-practice on Occupational Health in Lead Workers.RESULTS: Among the study subjects,145 workers had abnormal blood lead level( ≥600 μg/L),the abnormal rate was 41.3%.The correct scoring rate in occupational knowledge,attitude,and practice were 25.1%,45.3% and 15.7%,respectively.Multivariate logistic regression analysis results showed that the four risk factors of high blood lead level were wearing no personal protective equipment,not bathing and changing clothes before returning home,not gargling and washing hands before meals,smoking and eating in workplace.CONCLUSION: Poor occupational behaviors can increase the risk of high blood lead level in lead exposed workers.