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Research Council (MRC) Scale, musclestrength was evaluated (21).By the help of a disposable injector, 4 cc venousbloods were drawn from each worker. Theobtained venous blood samples were transferredinto 2 vacuum blood tubes (Vacutest kima) containingEthylene Diamine Tetra acetic Acid(EDTA). One of those tubes containing venousblood sample was sent to the Eskisehir OsmangaziUniversity Medical School Blood Bank inthe same day for CBC and preparation of aperipheral smear. The remaining tube was usedfor determining the BLL.Complete blood count was performed with“COULTER® LH 750 Hematology Analyzer”device. As recommended by World Health Organisation,Haemoglobin (Hb) concentration below13 g/dL was evaluated as anemia (22). Erythrocyteswith basophilic granulation were investigatedon the peripheral smear. Presence of morethan 500 erythrocytes with basophilic granulationin 1 million erythrocytes was accepted as a positiveresult (23).BLL was determined by “LeadCare® BloodLead Test System”. This test is considered to beappropriate for field studies due to its cost-effective,easy-to-apply, portable features. Pineauet al. (24) reported this test as a reliable method.While individuals with BLL ≥10 µg/dL were acceptedas people with high BLL, and results ≥40µg/dL were categorized as cases of lead poisoning(13, 14).The preventive measures for workplaces and theircurrent applicability were evaluated with anothersurvey.All the procedures performed on the study groupwere also applied to the control group under thesame conditions.The obtained data were evaluated by the help ofa Statistical Program of Social Scientific (SPSS)version 13.0 statistical program package. Chisquaretest (x2), Fisher’s exact test, Student ttest, Kolmogorov-Smirnov Z test, and logistic regressionanalysis were applied. For certain values,95% confidence interval (CI) was calculated.Level that P< 0.05 was deemed as statisticallysignificant.
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