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Abstract #23833 Published in IGR 11-2
Personality traits, depression, and objectively measured adherence to once-daily prostaglandin analog medication in glaucoma
Holló G; Kóthy P; Géczy A; Vargha PJournal of Glaucoma 2009; 18: 288-292
PURPOSE: To investigate the influence of personality traits, depression, and training on objectively measured adherence to once-daily prostaglandin analog medication. METHODS: Adherence was measured with the Travalert Dosing Aid on 58 consecutive, regularly followed-up glaucoma patients already on self-administered travoprost. Before the 3-month data-collection period all patients received training on use of the device. Psychologic characteristics were measured using the State-Trait Anxiety Inventory, Eysenck Personality Questionnaire, and Beck Hopeless Scale and Depression Inventory. An adherent day was defined as travoprost instillation at 9 PM ±2 hours. RESULTS: Adherence was 77% for the total period. Social desirability was higher than normal (U test, P<0.0001). Seven patients (12.1%) showed mild-to-moderate depression, which was not significantly associated with decreased adherence (Kruskal-Wallis test, P=0.071). Severity of glaucoma, number of ocular and systemic medications, satisfaction with the recording device, and socio-economic characteristics had no influence on adherence. CONCLUSIONS: Objectively measured adherence to once-daily prostaglandin analog medication was good, and not influenced by treatment characteristics or patient factors including mild-to-moderate depression. The elevated social desirability suggests that self-reported adherence is not a reliable measure of adherence in glaucoma.
Department of Ophthalmology, Semmelweis University, Budapest, Hungary.
Classification:
11.17 Cooperation with medical therapy e.g. persistency, compliance, adherence (Part of: 11 Medical treatment)
11.4 Prostaglandins (Part of: 11 Medical treatment)
