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J Health Pollut


Title:"Environmental Working Conditions, Lung Function and Total Serum Bile Acids of Spray Painters Exposed to Organic Solvents in Ile-Ife, Nigeria"
Author(s):Ojo TO; Onayade AA; Akinyemi PA; Adesanmi AJ;
Address:"Obafemi Awolowo University Teaching Hospital Complex, Ile-Ife, Osun State, Nigeria. Department of Community Health, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria. Department of Chemical Engineering, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria"
Journal Title:J Health Pollut
Year:2017
Volume:20170329
Issue:13
Page Number:2 - 10
DOI: 10.5696/2156-9614-7-13.2
ISSN/ISBN:2156-9614 (Electronic) 2156-9614 (Linking)
Abstract:"BACKGROUND: Nigeria has a growing spray painting industry, however, the burden of occupational health problems related to organic solvent exposure among spray painters in Nigeria is under-studied. OBJECTIVES: This study aimed to assess workshop characteristics and ambient concentration of total volatile organic compounds (VOCs) in spray painting workshops and to compare lung function status and total serum bile acid levels of spray painters and controls. METHODS: A cross-sectional study design was employed to survey 120 spray painters and 120 controls (electronic technicians). A semi-structured questionnaire was used to obtain data on socio-demographics characteristics of the respondents. Weight, height and lung function of respondents were measured. In addition, a checklist was used to survey the spray painting workshops. Total VOC levels were determined in 37 spray painting and 31 electronic workshops. Data were analyzed using Statistical Program for the Social Sciences (SPSS) version 20 and a p-value of <0.05 was considered to be statistically significant. RESULTS: Windows were present in only 5 (13.5%) spray painting workshops and 23 (62%) workshops had a retractable tarpaulin at the entrance. Only 9 (24%) workshops had changing rooms, while fire extinguishers and first aid kits were not present in any of the surveyed workshops. A respirator with filter was sighted in only 1 (3%) workshop. The 8-hour time weighted average concentration of total VOCs in spray painting workshops was 13.4 ppm, which is above the national permissible exposure limits of 1.9 ppm. Forced vital capacity (FVC) percent predicted was significantly lower in spray painters (93.9 +/-10.8%) than controls (96.7+/- 8.2%) (t = -2.326, df=238 p< 0.001). In addition, forced expiratory volume in the first second (FEV1) percent predicted was lower in spray painters (94.6+/-12.2%) than controls (100.3+/-9.1%) (t=-4.058, df=238, p=0.002). FEV1/FVC% was significantly lower among spray painters (85.48+/-8.70%) compared with controls (87.88+/-6.22%) (t=-2.861 df=238, p= 0.005). Total serum bile acids was significantly elevated in painters (8.71+/-3.39 mmol/l) compared to controls (4.67 +/-2.15 mmol/l) (t=10.358, df=213, p<0.05). CONCLUSIONS: Spray painters in the present study conduct their activities in hazardous work settings. More needs to be done concerning workplace regulation and enforcements to ensure that spray painters comply with minimum standards of occupational safety, workplace hygiene and sanitation. PATIENT CONSENT: Obtained. ETHICS APPROVAL: Ethical approval was granted by the Health Research and Ethics Committee of the Institute of Public Health, Obafemi Awolowo University"
Keywords:Nigeria lung function spray painters total serum bile acids volatile organic compounds workshops;
Notes:"PubMed-not-MEDLINEOjo, Temitope Olumuyiwa Onayade, Adedeji A Akinyemi, Patrick Ayodeji Adesanmi, Adewole J eng 2017/03/29 J Health Pollut. 2017 Mar 29; 7(13):2-10. doi: 10.5696/2156-9614-7-13.2. eCollection 2017 Mar"

 
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