BMJ  2005;331:1407 (10 December), doi:10.1136/bmj.331.7529.1407

Letter

Human and animal health: strengthening the link

Methodological concerns about animal facilitated therapy with dolphins

The first 150 words of the full text of this article appear below.

Editor—We have the following concerns with Antonioli and Reveley's study of animal facilitated depression with dolphins in the treatment of depression.1

The study was small (30 patients), only 13 people from the animal care programme and 12 from the outdoor nature programme completing the study. The authors used a conservative measure to estimate the number of patients required for this study, and even then fell short by 17%.


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Single women predominated in both arms.

It is difficult to fathom how clinical raters can be blinded to the treatment hypothesis.

The authors did not mention the ethnic group of the participants.

Only people who could go to Honduras were able to take part in this study. Most people with mild depression will not be able to take a three week holiday.

The findings are not generalisable as most people would not be able to afford to go to such a location . . . [Full text of this article]

Biju Basil, resident in psychiatry

Drexel University College of Medicine, Philadelphia, PA 19124 USA, bijubasil@yahoo.com

Maju Mathews, professor of psychiatry

Drexel University College of Medicine, Philadelphia, PA 19124 USA


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Relevant Article

Randomised controlled trial of animal facilitated therapy with dolphins in the treatment of depression
Christian Antonioli and Michael A Reveley
BMJ 2005 331: 1231. [Abstract] [Full Text] [PDF]




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