An Epidemiological Study Of Pb-B And Health Condition Of The Occupational Population With Paint

Objective:To describe the distribution and the determinants of lead level in blood of paint workers, and explore the effects of blood lead level on workers’health; to provide evidence for prevention and control of occupational disease for paint workers.Methods:With the cluster sampling, we chosen all the painters of Sany Heavy Industry Company and Xiangjiang Kansai Paint Company as samples and collected information by questionnaire, physical examination and biochemistry detection. We used the F test, T test and χ2test for the single-factor analysis, and used the unconditional logistic regression for multi-factor analysis.Results:1.752paint workers took part in physical examination and525ones of them answered the questionnaire. The number of males was711, female41. They were between18and59, mean31.66±7.74. The education levels were mainly junior high school (32%) and junior college (46.2%). 2. There were679workers (90.3%) whose blood leads were negative, and73ones were positive; the mean of blood lead concentration of the positive workers is0.0875±0.0550mg/L3. Multinomial Logistic regression analysis showed that the higher blood lead level was a risk factor to similarity neurosis (OR=1.884), gastrointestinal symptom (OR=1.899), peripheral nerve symptoms (OR=2.084), electrocardiogram (OR=2.075), blood pressure (OR=2.042) and β2-MG (OR=2.044).4. Multinomial Logistic regression analysis showed that smoking regularly (OR=2.649), occasional alcoholic drink (OR=0.538), smoking or eating in the workshop occasionally(OR:=2.027) or frequently (OR=3.587), washing hands before smoking or eating occasionally (OR=0.256) or frequently (OR=0.293) and the cycle of changing mask above two weeks (OR=1.895) could lead to higher blood lead level.Conclusion:1. The blood lead concentrations of painters were all in low level, but9.7%were not in the ideal state.(≥0.04mg/L)2. The low-level blood lead exposure could also cause similarity neurosis, gastrointestinal symptom, peripheral nerve symptoms, abnormal electrocardiogram, higher blood pressure and B2-MG.3. Smoking regularly, smoking or eating in the workshop occasionally or frequently and the cycle of changing mask above two weeks were the risk factors for higher blood lead level. Washing hands before smoking or eating and occasional alcoholic drink were protective factors.