[Progress of the industry and occupational health: Textile industry].
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Modern wool textile factories are characterized by hygienically inadequate labour conditions which include exceeding dust and microbe contamination of the air in the working zone and poor microclimate conditions in some shops. Basing on the studies of the air contamination sources, the contributors propose recommendations for health-related improvement of the air conditions.
Textile workers in Lódź have undergone a cross-sectional representative study aimed at the detection of arterial hypertension. In addition, the impact of sex, age, overweight, blood cholesterol level, smoking habit and noise upon the prevalence of that disease has been tested. Arterial hypertension has been found in 8.3% subjects, 9.2%--women, 6.7%--men. The prevalence was increasing significantly with age. Those with overweight exhibited higher prevalence rates. Hypercholesterolemia was accompanied by more frequent arterial hypertension; in women it was statistically significant. No significant negative effects of smoking and noise as occupational hazards promoting that disease have been found.
The relationship between lung cancer risk and work in the cotton textile industry was investigated in a large population-based case-control study in urban Shanghai, where the industry is a major employer of men and women. Personal interviews obtained occupational, smoking, and other information from 1405 newly diagnosed lung cancer cases and 1495 controls. A significantly low risk of lung cancer was associated with cotton textile employment [odds ratio (OR) = 0.7,95% confidence interval (CI) = 0.6-0.9]. In men, the decreased risk was observed among both smokers (OR = 0.7, 95% CI = 0.5-1.1) and nonsmokers (OR = 0.3, 95% CI = 0.1-1.0). In women, the risk was also decreased regardless of smoking status (OR = 0.8, 95% CI = 0.4-1.6 among smokers; OR = 0.9, 95% CI = 0.6-1.2 among nonsmokers). In both sexes, the reductions in risk tended to be greater for lung cancer cell types other than adenocarcinoma. Low risks were found regardless of occupations within the cotton textile industry; the OR for workers in textile processing who potentially had greater dust exposure was 0.8 (95% CI = 0.6-1.2), whereas the OR for those in other industry jobs was 0.7 (95% CI = 0.4-1.0). There was little difference in risk according to self-reported exposure to textile dust, and no clear trend with duration of employment or dust exposure. Reasons for the reduced risk of lung cancer in cotton textile workers without a dose response are unclear, although several methodological explanations were considered. The findings, however, appear consistent with prior epidemiological studies and are interesting in light of speculation about tumor-inhibitory factors, such as bacterial endotoxins, that are found in dusts from cotton and other fiber crops.
This paper presents results from a case-control study carried out in the county of Mataro, Spain. The study was designed to investigate the possible causes of an unusually high mortality rate from bladder cancer in Mataro county as compared to Spain as a whole, and this report focuses on occupational exposures. The study is based on 57 cases who were hospitalized for or died from bladder cancer between 1978 and 1981. Two controls per case were matched for sex, age, residence, and date of either hospitalization or death. Information was collected on smoking, coffee drinking, and occupation. Occupational histories were then evaluated and coded blind by a group of occupational health physicians. Analyses were carried out by means of conditional logistic regression. Among a group of common occupational sectors, an increased risk for past employment in the textile industry (OR = 2.2; p = .038) was found. Further analyses indicated that the risk is particularly elevated (OR = 4.41; 95% confidence limits; 1.15-16.84) for subjects who worked in dyeing or printing and who were most probably exposed to azo-dyes. Exposure in the textile industry may be responsible for 16% of the bladder cancers in the Mataro area. A list of dyes commonly used in the Mataro textile industries was compiled and cross-checked with lists of substances tested or evaluated for carcinogenesis.
A hospital-based case-control study on bladder and lower urinary tract cancers was conducted in the Prato area, where the textile industry is the main manufacturing sector (about 50,000 employees). "Cases" were male subjects, aged over 15 years in whom urothelial cancer had been diagnosed in the period 1980-1985; controls (two for each case) were subjects of the same sex and age with other urological diseases or cancer of the prostate or testis. Cases and controls were interviewed via a questionnaire on occupational history and personal habits. A positive association was found for subjects who had worked in the textile industry (O.R. = 1.42; C.I. = 1.0-2.0). Analysis by job titles showed positive association for "rag selectors" (O.R. = 4.09; C.I. = 1.39-11.96), whereas no association was found for dyers (O.R. = 0.74; C.I. = 0.29-1.87).
The origins of state interventionism in the field of health care in the textile industry of the Congress Kingdom of Poland go back to the first half of the XIX-th century. It could not, however, be developed earlier than in the last quarter of this century, at which time it resulted from the class struggle of textile workers, mainly in Lódź and Zyraŕdów. Legal and organizational patterns of health care were of foreign origin, but soon they were modified and adapted to the local conditions of the Congress Kingdom of Poland. It has to be underlined that it was the textile industry that stimulated legal and organizational changes in the field of industrial health care, not only in the Congress Kingdom of Poland but also in the whole contemporary Europe.
Within a cross-sectional representative study of textile industry workers in Lódź, the rate of chronic diseases in particular occupational groups of women, as related to age, socio-living conditions and work environment, has been analysed. Furthermore, a representative gynaecologic examination has been carried out in a randomly selected group of women and occupational and non-occupational workload has been estimated. The study delivered ample information on the health conditions and revealed a number of disadvantageous phenomena inherent in the population and in the gynecologic care system for the women employed in the test plants.
A worker of the textile industry showed an allergic contact eczema caused by diazodiethylaniline contained in diazopaper used in the manufacture of patterns.
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Epidemiologic studies have identified an excess risk of lung cancer and mesothelioma among workers in the reprocessed textile industry in Prato, Italy. These studies suggested that there may have been asbestos hazard in this industry although exposure was not known to exist. An industrial hygiene investigation was conducted to determine whether there was previous or current asbestos exposure in the industry. Walk-through surveys, environmental sampling, process documentation, and management and worker interviews were conducted in 13 textile reprocessing establishments. Polypropylene bags that once contained asbestos were found in 2 of the 13. Asbestos bags were cut open and used to cover bales of rags which were then distributed throughout the world. Workers were exposed to asbestos while handling the bags which were contaminated with chrysotile, amosite, and crocidolite. Additional sources of asbestos exposure that may have existed in the past in the industry are also discussed.
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The complex examinations of the state of health of 468 women workers of the Central Laboratory of Textile Industry in Lodź were performed. In all women were performed physical and gynecological-biochemical examinations as well as hematological-biochemical ones of the selected blood parameters. It has been stated a high (61,8%) percentage of women with morbid changes or genital organs and lower values of examined blood parameters in spinners, comparing with workers of the finishing department and administration.
A report is made on a method of sampling and analysis of biphenyl and 2-phenylphenol which are present in the environmental air of the dyeing plant rooms of the textile industry. The sampling is carried out by filtering environmental air through small pipes containing two layers of Porapak Q 80-100 mesh, the first one of 150 mg for the analysis and the other, of 50 mg, for the control, with a flux of about 1 l/min. The report includes the description of some tests concerning shifting and displacement with various fluxes, as well as the recovery of known quantities and the stability of the sampling. The saturation for the mixture of the two pollutants was about 130 mg/g of biphenyl and more than 100 mg/g of 2-phenylphenol. The gaschromatographic analysis was carried out on 2 ml of cyclohexane; methylacetate 80:20 by which was obtained the absorbent used for the sampling. An analytical column was used with 3% Apiezon L, 1% phosphoric acid, 2% Carbowax 20 M on Chromosorb W HP 80-100 mesh. These results were also confirmed by other two reference columns. This method was applied successfully to the analysis of the air of the work environment under examination.
A three-year survey was conducted in six cotton-yarn manufacturing mills and one mill processing synthetic polyester fibers as part of a longitudinal epidemiologic investigation of the health experience of workers employed in the textile industry. A total of 1324 elutriated and total dust samples were collected during the three years of the study. The results indicate that the average elutriated dust concentrations in the surveyed mills were generally at or below the current OSHA standard and they ranged from 0.069 to 0.396 mg/m3, 0.089 to 0.391 mg/m3, and 0.106 to 0.210 mg/m3 for the first, second and third year surveys, respectively. Introduction of modern automated yarn processing equipment and elimination of some of the classic processes were associated with a decreasing trend in airborne dust concentrations in these mills.