The Aging Males' Symptoms (AMS) scale: review of its methodological characteristics
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The Aging Males' Symptoms (AMS) scale: review of its methodological characteristics Isolde Daig1, Lothar AJ Heinemann*2, Sehyun Kim3, Somboon Leungwattanakij4, Xavier Badia5, Eric Myon6, Claudia Moore7, Farid Saad8, Peter Potthoff9 and Do Minh Thai2 Address: 1Institute Medical Psychology, University Centre for Human & Health Research, Berlin, Germany, 2Center for Epidemiology & Health Research Berlin, Invalidenstr. 115, 10115 Berlin, Germany, 3Department of Preventive Medicine, College of Medicine, Pochon CHA University, Korea, 4Section of Male Sexual Dysfunction, Division Urology, Ramathibodi Hospital, Bangkok, Thailand, 5Health Outcomes Research Europe, Barcelona, Spain, 6PharmacoEconomics Programmes, Pierre Fabre S.A., Boulogne-Billancourt, France, 7Medical Affairs Andrology, Jenapharm Jena, Germany, 8Fertility Control/Hormone Therapy, Corporate Strategic Marketing Male Health Care, Schering AG, Berlin, Germany and 9NFO Health Europe, Munich, Germany Email: Isolde Daig - [email protected]; Lothar AJ Heinemann* - [email protected]; Sehyun Kim - [email protected]; Somboon Leungwattanakij - [email protected]; Xavier Badia - [email protected]; Eric Myon - [email protected]; Claudia Moore - [email protected]; Farid Saad - [email protected]; Peter Potthoff - [email protected]; Do Minh Thai - [email protected] * Corresponding author
Published: 15 December 2003 Health and Quality of Life Outcomes 2003, 1:77
Received: 09 October 2003 Accepted: 15 December 2003
This article is available from: http://www.hqlo.com/content/1/1/77 © 2003 Daig et al; licensee BioMed Central Ltd. This is an Open Access article: verbatim copying and redistribution of this article are permitted in all media for any purpose, provided this notice is preserved along with the article's original URL.
AMSAging Males SymptomsQuality of LifeQuestionnairesReliabilityValidity
Abstract Background: The current paper reviews data from different sources to get a closer impression on the psychometric and other methodological characteristics of the Aging Males' Symptoms (AMS) scale gathered recently. The scale was designed and standardized as self-administered scale to (a) to assess symptoms of aging (independent from those which are disease-related) between groups of males under different conditions, (b) to evaluate the severity of symptoms over time, and (c) to measure changes pre- and post androgen replacement therapy. The scale is in widespread use (14 languages). Method: Original data from different studies in many countries were centrally analysed to evaluate reliability and validity of the AMS. Results: Reliability measures (consistency and test-retest stability) were found to be good across countries, although the sample size was sometimes small. Validity: The internal structure of the AMS in healthy and androgen deficient males, and across countries was sufficiently similar to conclude that the scale really measures the same phenomenon. The sub-scores and total score correla
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