Prevalence of cold-related complaints,symptoms and injuries in the general population: the FINRISK 2002 cold substudy |
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Authors: | Veli-Pekka Raatikka Mika Rytkönen Simo Näyhä Juhani Hassi |
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Affiliation: | (1) Department of Public Health Science and General Practice, University of Oulu, P.O. Box 5000, 90014 Oulu, Finland;(2) Centre for Arctic Medicine, Thule Institute, University of Oulu, P.O. Box 5000, 90014 Oulu, Finland;(3) Regional Institute of Occupational Health, Aapistie 1, 90220 Oulu, Finland |
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Abstract: | The prevalence of cold-related complaints and symptoms in the general population has remained unknown. As part of the nationwide FINRISK 2002 health survey performed in Finland, 8,723 people aged 25–64 years filled in a questionnaire asking about the number of hours spent weekly in cold air, their sensations during cold exposure, cold-related complaints, symptoms of diseases, and degradation of performance. Cold thermal sensations at +5°C to −5°C were reported by 35% of men and 46% of women. Almost all subjects reported at least some cold-related complaints, most commonly musculoskeletal pain (men 30%, women 27%), followed by respiratory (25% / 29%), white finger (15% / 18%) and episodic peripheral circulation symptoms (12% / 15%). Decreased mental or physical performance in cold was reported by 75% of men and 70% of women, most commonly impairing manual dexterity and tactile sense. With declining temperature, the first symptom to emerge was pain in the elbow or the forearm (at −3°C), followed by increased excretion of mucus from the lungs (−5°C), while most other symptoms appeared only at lower temperatures of −15°C to −20°C. Most symptoms showed little or no association with the weekly duration of exposure, with the exception of cold-induced pain at most sites. Although, in general, Finns are well adapted to the cold climate, the high prevalence of cold-related complaints poses a challenge to the health care system in terms of decreased performance and the possibility that such symptoms predict more serious health effects, such as increased mortality. This work was carried out in the framework of the FINADAPT project (Assessing the adaptive capacity of the Finnish environment and society under a changing climate). |
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Keywords: | Cold-related illnesses Respiratory symptoms Cardiac symptoms Musculoskeletal pain Peripheral circulation symptoms White fingers |
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