共查询到20条相似文献,搜索用时 15 毫秒
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R. Borrelli 《BMJ (Clinical research ed.)》1988,297(6644):358-359
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The diets of 2340 middle aged men and women living in three English towns were recorded. Consumption of fat and the other main nutrients was lowest in the northern industrial town, which had the highest death rates from ischaemic heart disease and from all causes combined.The findings suggest that differences in diet in middle age are not a major cause of differences in adult mortality between one part of Britain and another. 相似文献
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R. Balarajan 《BMJ (Clinical research ed.)》1989,299(6703):822-825
Mortality among men employed in the health sector was examined using data surrounding the 1971 (1970-2) and 1981 (1979-83) censuses to assess the differences between social classes in the health service and to study changes over a decade. Relative to men in England and Wales, mortality in the 1980s was significantly lower among dentists (standardised mortality ratio 66), doctors (69), opticians (72), and physiotherapists (79) and significantly higher among hospital porters (151), male nurses (118), and ambulancemen (109). Mortality from lung cancer among hospital porters (185) was more than fivefold that seen in doctors (33) and dentists (37). Ischaemic heart disease varied twofold, being lowest in dentists (60) and doctors (70) and highest in hospital porters (138). Over the decade mortality from lung cancer and ischaemic heart disease declined in all groups except hospital porters, ambulancemen, and orderlies. Most groups showed excess deaths from suicides and cirrhosis of the liver. Differences in mortality between health workers in social class I and those in social class IV widened between the 1970s and 1980s and to a greater extent than among the general population. The high mortality of some groups within the NHS, and the fact that differentials between social classes have widened more than in the general population, suggest that the NHS needs to pay more attention to the health of its own staff. 相似文献
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K. Williams 《BMJ (Clinical research ed.)》1995,310(6976):399-400
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B Ineichen 《BMJ (Clinical research ed.)》1990,300(6741):1669-1670
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R. E. Daniels 《Plant Ecology》1990,90(1):63-71
Seed was collected from plants ofLobelia urens growing in three populations in southern England. Metrical measurements were made on individuals grown from sub-samples of these seeds in a common garden experiment. Electrophoresis of soluble seed proteins was also carried out. Plants from the isolated populations, growing at the northern edge of the species' range, displayed a high level of overall similarity, though some differentiation of one population appeared to have occurred. More significant variation occurred between families within populations. 相似文献
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D J Barker A T Chamberlain P B Guyer M J Gardner 《BMJ (Clinical research ed.)》1980,280(6222):1105-1107
The radiological prevalence of Paget''s disease of bone has been studied in 31 towns in Britain. A remarkably localised area of high prevalence has been shown in Lancashire. Although environmental influences seem dominant in the aetiology of the disease, no hypothesis about the environmental cause of the Lancashire focus can be advanced. 相似文献
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A. Watterson 《BMJ (Clinical research ed.)》1994,308(6937):1115-1116
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OBJECTIVE--To describe the characteristics of patients using non-orthodox health care and their pattern of use of conventional health care with respect to a particular problem. DESIGN--Postal survey of all 2152 practitioners of acupuncture, chiropractic, homeopathy, naturopathy, and osteopathy identified from 11 national professional association registers. Patients attending a representative sample of 101 responding practitioners completed questionnaires covering demographic characteristics, presenting problems, and use of the health service. SETTING--Practices of practitioners of non-orthodox health care in England, Scotland, and Wales. SUBJECTS--Qualified, non-medical practitioners of non-orthodox health care working in Great Britain and 2473 patients who had attended one of the sampled practitioners in an allocated time period between August 1987 and July 1988. RESULTS--An estimated 1909 practitioners were actively practising one of the study treatments in Great Britain in 1987. Of the estimated 70,600 patients seen by this group of practitioners in an average week, most (78%) were attending with a musculoskeletal problem. Two thirds of the patients were women. Only 2% were aged under 16, but 15% were aged 65 or over. One in three patients had not received previous conventional care for their main problem; 18% were receiving concurrent non-orthodox and conventional care. Twenty two per cent of the patients reported having seen their general practitioner for any reason in the two weeks before the surveyed consultation. CONCLUSIONS--Patients of non-orthodox health care, as provided by this group of practitioners, had not turned their backs on conventional health care. Non-orthodox treatment was sought for a limited range of problems and used most frequently as a supplement to orthodox medicine. 相似文献
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I M Aleksandrovskaia Iu P Solodovnikov 《Zhurnal mikrobiologii, epidemiologii, i immunobiologii》1977,(1):122-127
Data are presented concerning the epidemiological analysis of Sonnei dysentery outbreaks in three towns connected by common nutrition and water supply. The epidemic processes in these populated localites were strongly interrelated. Possibilities of the effect of the water factor on the extent of Sonnei dysentery incidence were studied as well. The results of studies led to the conclusion on the presence of numerous action forms of the water factor which should be taken into consideration in carrying out prophylactic and antiepidemic measures in Sonnei dysentery. 相似文献
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