The following articles refer to this text: 2001;27(2):0; 2003;29(1):0

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Screening for asbestos‐induced diseases in Finland was carried out in 1990–1992 as a part of the Asbestos Program of the Finnish Institute of Occupational Health. The aim of the present study was to find the workers who had developed an asbestos‐induced disease in certain occupations. Examination of active or retired workers included a personal interview on work history and asbestos exposure, and a chest X‐ray. The target group for the screening comprised workers under 70 years of age who had worked at least for 10 years in construction, 1 year in a shipyard or in the manufacture of asbestos products. A preliminary questionnaire was sent to 54,409 workers, 18,943 of whom finally participated in the screening examination. The mean age of the workers was 53 years; 95% were employed in construction, 2% in shipyards, and 3% in the asbestos industry. The criteria for a positive screening result were (1) a radiographic finding clearly indicating lung fibrosis (at least ILO category 1/1), (2) a radiographic finding indicating mild lung fibrosis (ILO category I/O) with unilateral or bilateral pleural plaques, (3) marked abnormalities of the visceral pleura (marked adhesions with or without pleural thickening), or (4) bilateral pleural plaques. The positive cases totalled 4,133 (22%) and were sent for further investigation. In addition to the screening, information on the presence of asbestos in the work environment, prevention of asbestos exposure, as well as on the health effects of asbestos exposure and smoking were given to the participating workers. The screening acted as a preliminary survey to prompt further national follow‐up of asbestos‐induced diseases among the workers who have been exposed to asbestos. This article presents the material, methods, and overall results of the screening. © 1996 Wiley‐Liss, Inc.

This prospective controlled study examined changes in fitness, health, and work ability after a work-oriented physical fitness course arranged for lumberjacks experiencing low back pain but being still at work. The 1-week courses were designed to activate exercising during leisure time and consisted of fitness tests, various types of exercise, and lectures. Eighty-seven lumberjacks participated in the courses and 61 subjects served as controls. Questionnaire data obtained before and 1 year after the course were available for 78 (90%) of the course participants and 41 (67%) of the controls. In the intervention group, perceived fitness, health, and work ability improved and ergonomic strain at work decreased. Both groups reported an increased frequency of leisure-time physical activity. There were between- group differences in the development of fitness, health, distress symptoms, and subjective work ability, whereas the changes in physical activity, back and musculoskeletal symptoms, or ergonomic strain did not differ between the groups. In a 6-month follow up, muscle function improved in the intervention group, but no change was observed in aerobic capacity. There was a tendency of the number of back pain-related sickness leaves, but not of their duration, to develop more favorably in the intervention group, when data from the year before and the year after the course were compared.

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