Thomas Holding

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Parasuicide admissions to the Regional Poisoning Treatment Centre in Edinburgh are reviewed over the seven year period 1968-74. Special emphasis is given to trends in parasuicide rates for Edinburgh City, but social and clinical data are also described. Though the mean annual increase for admissions is 10-6 per cent, recent years have shown a fall in the(More)
The short-term effect of "The Befrienders"--an 11-episode weekly series on B.B.C. 1 portraying the Samaritans as a suicide prevention service--on suicide and undetermined deaths was monitored in Edinburgh. No preventive effect was observed though the series was associated with a dramatic rise in new client referrals to the Edinburgh branch of the Samaritans.
A consecutive series of 110 undertermined deaths (U.D.) was compared with matched samples of suicides and accidents recorded in the same metropolitan Coroner's District. The hypothesis tested was that U.D. are mostly concealed suicides and will resemble known suicides more closely than accidents. The samples were compared on social and demographic(More)
The coroner's records of 110 accidental deaths resulting from poisoning, drowning and falling were examined for evidence of mental illness. Sixty per cent were classified as mentally ill before they died, depression, drug dependence and alcoholism accounting for over three-quarters of the diagnoses. Deaths given accident verdicts should be included in the(More)
One hundred and thirty-four deaths recorded as open verdicts in the Inner West London Coroner's District during 1969 and 1970 have been surveyed for evidence of mental illness. For 110 (82 per cent) of these deaths the probable verdicts were suicide or accident and they were reclassified as undetermined deaths. Of these deaths 73 per cent were diagnosed as(More)
It is known that for a strictly concave-convex function, the gradient method introduced by Arrow and Hurwicz [1], has guaranteed global convergence to its saddle point. Nevertheless, there are classes of problems where the function considered is not strictly concave-convex, in which case convergence to a saddle point is not guaranteed. In the paper we(More)
We consider the problem of resource allocation in a decentralized market where users and suppliers trade for a single commodity. Due to the lack of strict concavity, convergence to the optimal solution by means of classical gradient type dynamics for the prices and demands, is not guaranteed. In the paper we explicitly characterize in this case the limiting(More)