The study was carried out on two groups at working age at Van Chang and Nhat villages of Nam Dinh province from end of 2002 to beginning of 2003. Group 1 included 180 mechanical workers at Van Chang village. Group 2 (control group) included 186 cultivators in Nhat village. Results: The percentage of people having history of respiratory diseases such as sore throat, acute and chronic bronchitis in Van Chang village was higher than those in Nhat village (48% vs. 40%). Respiratory function measure show that the percentage of abnormities of respiratory function were 17.3% in Van Chang village and 6.5% in Nhat village. The histories of working accidents in Van Chang village were 14.4% and in Nhat village were 4.8%. Workers at Van Chang machinery village have higher risk of anomalies of respiratory tract in comparison with people in agricultural villages.
Environment ; Health

Study on impact of work environment and examination on health status of 117 male workers in workshop of “Mai Dong” Company showed that these workers have to work in the heat stress environment with hazard factor lavels are higher than allowed standard such as noise, dust concentration, toxic gases (CO, SO2, NOx..) Almost workers were suffer from diseases as E.N.T, tooth and face, lung disease, eyes. From study measures are suggested to protect and take of workers.
Environment ; Health

Cross-sectional study was conducted in 6 handicraft villages, 600 producing households, 1.672 handicraft employees and 135 agricultural employees. The study results showed that: 98.4% of producing households had generated hazardous factors such as noise, heat, dust, micro-organism etc. In food processing village: 83.3% of micro-climate samples and 100% of light samples exceeded the permissible limits. In mechanical villages: 100% of noise sample accessed the permissible limit. In fine arts furniture villages: 91.3% of micro-climate sample, 75% of light sample and 69.5% of dust sample exceeded the permissible limits. In general, almost of handicraft employee had poor knowledge on risk factors at workplaces and their harms. The disease prevalence of handicraft employees was 85.3% that was higher than that of agricultural employee (58,5%). The difference was statistic significant (p=0.0001; RR= 1.46). Handicraft employee liked to have healthcare services at commune’s health station or have health workers at worker place and health insurance.
Environment ; Health

Health ; Environment

A study of working environment and health on 600 tunnel construction workers working in Central Region from 2001 to 2003 showed that: the working environment at the construction site was severely polluted with more than 60% of measured experiment samples were higher than the standard level. The deeper the tunnel is, the more severe the pollution is. The temperature, humidity, toxic gases (CO, CO2, and NO2), noise and dust tend to increase. The circulation speed of air, illumination power and level of O2 tend to decrease. The health of workers had a decrease tendency in the three year period. The common diseases are tooth, jaw and face diseases, ear, nose and throat diseases, circulation disease, eye diseases and eye related problems. The rate of work related accident reduced, mortality rate was 0.99%; the main causes leading to accidents at work were rock fall, fall, and mechanical devices; in work related accidents, the rate of soft tissue injury was high
Health, Environment, Health

In 2004, a project on environmental hygiene has been conducted at An Duong district to improve water supply system and sanitary latrines in the community. This study was designed for evaluating the project activities at two communes of An Duong, Hai Phong and some encouraging results have been yielded.
Environment ; Water ; Rural Health

XRD (X Ray powder Diffraction) is an effective analysis method for crystallized materials. This method can identify and reflexes characteristics of asbestos in solid materials clearly based on 3 highest peaks of specific diffraction spectrum from asbestos containing samples. However, asbestos concentration lower than 1% may cause certain biases in analysis. Our study focused on the XRD method for qualitative determination of asbestos in solid material samples in Vietnam environment
Asbestos ; Health ; Environment

Health status and working environment with visual display terminal users. The aim of this study was to investigate the relationships between health status (musculoskeletal problems and eyes discomfort) and the condition of work with visual display terminal (VDT). It was carried out using a self-administered questionnaire with two groups:VDT-user (group A:103 workers) and non. VDT user (group B:114 workers). Result: The temperature, humidity, air velocity in working room were good. The noise was higher in comparision with standard of Vietnam. The prevelences of musculoskeletal complaints in various body parts were neck (46.6%), low back (45.63%) shoulder (74.75%), wrist (57.28%). Risk of musculoskeletal complaints were more related to unfavorable working postures. Hand and wrist problems were more affected by repetitive movements. Prevalence of visual complaints was tiredness of eyes: 80.85%, eyes-ache 75.23%
Health ; Environment ; Musculoskeletal Diseases

The study on workplace environmental conditions and health status of male workers at Thai Nguyen Coalluary Factory indicated that the working conditions were hard and hazard to workers' health. The workers had to sufferred from high temperature and other hazard factors that were above allowed standards, such as noise, toxic gas (CO, CO2, SO2, NO2...), especially coal dust, iron, silica dusts etc. Most workers' health was at level II and III with high rate of diseases such as cardiovascular and occupational diseases. Some measures have been suggested to protect workers' health.
Environment ; Health ; Disease

The study was conducted on workers in Na Duong coal mine, Lang Son province to investigate the working environment, health status and diseases. The results showed that working environment was contaminated by toxics that were above allowed limits, such as high silic dust level. Some common diseases were ear-nose-throat diseases, accounting for 77.2%, eye diseases 39.9%, digestion 17.8%, heart diseases 15.1%, and respiratory diseases 14.1%. Among respiratory diseases, silic dust-related one was significant. The rate in the mine neighborhood area was 10% and at the working site was 11%. Coal mine workers’ health was a little below the average compared with other domestic manufacturing sectors, nobody had health status at level I.
Environment ; Health ; Coal Mining