In this study, the validity of a model designed to promote the work ability of aging workers was examined. The target areas of work ability promotion were searched for the characteristics that explain work ability the best. In addition, the way work ability relates to the quality of work and retirement was examined. The subjects (n = 1101) participated in the follow-up study on aging Finnish workers in 1992 and 1997. The results consistently supported the model for promoting work ability. All four areas of focus-(i) work demands and the environment; (ii) work organization and the work community; (iii) the promotion of workers' health and functional capacity; and (iv) the promotion of professional competence-proved to be strongly associated with work ability. Good work ability was associated with a high quality of work and the enjoyment of staying in one's job. It also predicted active and meaningful retirement.

We have (1) estimated the incidence of desmoid tumor (DT) in the Finnish population, and (2) defined statistically four major age components of the DT with different biological properties. The incidence of the DT, based on admissions to four separate hospitals and on the number of pathological biopsy specimens analyzed at the Central Pathological Laboratory of Helsinki University, is 2.4-4.3 new cases per 10(6) inhabitants per annum. Statistical analysis demonstrated four major age components where the site of the tumor and/or sex of the patient were non-randomly distributed: "juvenile" DT, a predominantly extra-abdominal desmoid tumor of the female sex; "fertile" DT, a nearly exclusively abdominal DT of fertile females; "menopausal" DT, a predominantly abdominal tumor where the sex ratio approaches one:one; and "senescent" DT, where abdominal and extra-abdominal varieties are equally frequently encountered and where the sex ratio of the affected patients is one:one.

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Burnout can evolve in all kinds of vocational groups. It seems that age does not generally protect against burnout. A low education level and low social status carry a possible risk of burnout for women, and being single, divorced, or widowed carry a possible risk of burnout for men.