Objectives: this study was carried out to investigate the relationship between lead related symptoms and lead exposure indices by self-administrered questionnaire and direct review questionnaire in lead workers.
Method: The study design was cross-sec...
Objectives: this study was carried out to investigate the relationship between lead related symptoms and lead exposure indices by self-administrered questionnaire and direct review questionnaire in lead workers.
Method: The study design was cross-sectional and research subjects were 172 workers in storage battery industries as lead exposed group and 84 workers who were not exposed to lead as control group. Lead related symptoms(15 items) were obtained by self-administered questionnaire. After then investigator asked workers about each items and completed drect interview questionnaire. Blood lead(PbB), zinc protoporphyrin(ZPP), δ-aminolevulinic acid in urine(ALAU), hemoglobin(Hb) were selected as indicators of lead exposure.
Results: There was significant correlation between lead related symptoms and lead exposure index(blood ZPP) in direct review questionnaire, whereas there was no significant correlation in self-administered questionnaire.
Conclusions: Our results supported current self-administered questionnair should be reassessed sensitivity and specificity. Also, if necessary, direct review questionnaire was highly recommended for the effective health management of lead workers.