Heroin-dependent patient satisfaction with methadone as a medication influences satisfaction with basic interventions delivered by staff to implement methadone maintenance treatment
Alcaraz Garcia, Saül (Institut d'Investigació Biomèdica Sant Pau)
Viladrich, Carme (Universitat Autònoma de Barcelona. Departament de Psicobiologia i de Metodologia de Ciències de la Salut)
Trujols, Joan (Institut d'Investigació Biomèdica Sant Pau)
Siñol, Núria (Institut d'Investigació Biomèdica Sant Pau)
Pérez de los Cobos, José (Institut d'Investigació Biomèdica Sant Pau)

Data:	2018
Resum:	The aim of the present study was to test a structural equation model of patient satisfaction with different key facets of methadone maintenance treatment (MMT). In this model, the three dimensions of patient satisfaction with methadone as a medication (ie, personal functioning and well-being, anti-addictive effect on heroin, and anti-addictive effect on non-opioid substances) were expected to predict satisfaction with the basic interventions delivered by the staff of treatment centers to implement MMT. A sample of 210 heroin-dependent patients, resistant to MMT treatment (mean age =41. 66 years, SD =6. 50; 75. 7% male), participated voluntarily in this study. Preliminary analysis based on exploratory structural equation modeling supported the expected three-factor measurement model of the scale to assess satisfaction with medications for addiction treatment - methadone for heroin addiction. Moreover, the 15 items measuring staff's basic interventions were shown to be compatible with the expected single-factor measurement model. Then, both measurement models were included in a structural model. Results of this model show that patient satisfaction with the compatibility of methadone with personal functioning and well-being, as well as with the anti-addictive effects of methadone on non-opioid substances, predicts satisfaction with basic interventions conducted at methadone treatment centers (β=0. 191 and β=0. 152, respectively). Our results provide further understanding regarding patient satisfaction with MMT, which could help professionals to better understand patient perspective and experience during MMT. Funding for this study was provided by grants.
Ajuts:	Instituto de Salud Carlos III PS09-01072 Instituto de Salud Carlos III PI06-0531
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Exploratory structural equation modeling ; Satisfaction with medication ; Satisfaction with treatment ; Treatment quality ; Methadone non-responders
Publicat a:	Patient preference and adherence, Vol. 12 (july 2018) , p. 1203-1211, ISSN 1177-889X

DOI: 10.2147/PPA.S164181
PMID: 30022813

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