| Abstract [eng] |
SUMMARY THE STRUCTURE AND TRENDS OF OCCUPATIONAL DISEASES IN LITHUANIA IN THE YEAR 1965-1970 Key words: occupational diseases, structure, trends,1965 -1970 m. The object of the work: to investigate structure and trends of occupational diseases in Lithuania in 1965-1970. The task of the work: to evaluate the distribution of occupational diseases according to the economic activity spheres, occupations, sex, harmful work factor, form and type of occupational diseases; to evaluate the trends of occupational diseases in 1965-1970. The methodology of the investigation: the 1965 -1970 accounts of the Sanitary Epidemic Board of the Ministry of Public Health Care have been used in this work. In these accounts, 1989 cases of occupational diseases have been registered. The analysis of the data has been performed using International Classification of Diseases (ICD - 10), classifier of the Economic activities (NACE) and Lithuanian classifier of Occupations (LPK), as well as data about employed persons from the Lithuanian Statistics Department. The statistical analysis of the data has been performed using Microsoft Excel, WinPepi computer programs. The reliability of the difference between the groups is estimated by χ2 test, the statistic conclusions are formed when p<0,05. The results: the results of the investigation show that within 1965-1970 the most frequent occupational diseases group was the infection and parazitis diseases – 54%, skin diseases – 28%. The index of occupational sickness rate in 1965-1970 was 26,5 – 36,02 cases out of 100 000 working people. 87% of occupational sickness rate has been registered of manufacturing industry, for agricultural industry 5%. 64% have been diagnosed for food, sheos makers and of similar professions, for workers of metal processing enterprises 12%. 61,14% of occupational diseases were caused by biological factors, 19,31% by chemical factors, 7,94% by tension, 5,92% by biological factors, and 5,69% by dust. Acute illnesses have made up 52% and chronic diseases have made up 48% of occupational diseases. Conclusions: 1. The index of occupational sickness rate in 1965-1970 was 26,5 – 36,02 cases out of 100 000 working people. 4. The highest sickness rate has been registered of manufacturing industry – 87% , for agricultural industry workers – 5%. 5. Occupational diseases were more often diagnosed for food, sheos makers and of similar professions, for workers of metal processing enterprises. 6. The most frequent cause of occupational diseases were biological – 53% and chemical – 39% factors. 7. Acute occupational diseases were more often diagnosed for workers – 52%. |
