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1.
Sleep Med ; 11(1): 65-8, 2010 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-19783473

RESUMEN

OBJECTIVES: The relationship between reports of insomnia and daytime functioning was investigated using hierarchical regression. The presence or absence of a report of insomnia was the predictor of primary interest. A number of covariates were included in the model: demographic variables, health variables, and quantitative sleep parameters. METHODS: Data were collected from a community sample in the Memphis, Tennessee area. Data from 734 volunteers, ranging in age from 20 to 96years were analyzed. The sample included 235 individuals who reported having chronic insomnia and 499 individuals who reported no sleep problems. Participants completed a 2-week sleep diary, a battery of daytime functioning questionnaires, and a medical disorders checklist. Demographic information was also collected. The daytime functioning assessment included the Beck Depression Inventory, the State-Trait Anxiety Inventory, the Epworth Sleepiness Scale, the Insomnia Impact Scale, and the Fatigue Severity Scale. The hierarchical regression model included four sets. The first three sets consisted of 18 variables capturing demographic, health, and sleep diary parameters. The fourth set included a single dichotomous variable representing the presence or absence of a report of insomnia. RESULTS: Reports of insomnia were a significant predictor of all five daytime functioning measures, which is consistent with previous research. We also showed that reports of insomnia were able to uniquely explain a significant amount of variability in self-reported daytime functioning after controlling for demographics, health, and sleep diary variables. The pattern of individual variables that reached significance in the first three sets varied depending on which daytime functioning measure was predicted, however, age, the presence of pain, the presence of mental health problems, SOL, and WASO were the most commonly significant predictors of poor daytime functioning from these sets across measures. CONCLUSIONS: Individuals' perceptions of their sleep are related to differences in their reported daytime functioning, which are not accounted for by demographic factors, health surveys, or quantitative sleep assessments. Reports of insomnia may be related to a set of common cognitive factors among individuals who report having insomnia which cause them to be distressed with their sleep and increase their dissatisfaction with daytime functioning. Relevance of the findings to insomnia research and clinical management are discussed.


Asunto(s)
Ansiedad/epidemiología , Trastornos del Conocimiento/epidemiología , Depresión/epidemiología , Trastornos de Somnolencia Excesiva/epidemiología , Fatiga/epidemiología , Trastornos del Inicio y del Mantenimiento del Sueño/epidemiología , Vigilia , Adulto , Anciano , Anciano de 80 o más Años , Ansiedad/diagnóstico , Ansiedad/psicología , Trastornos del Conocimiento/diagnóstico , Trastornos del Conocimiento/psicología , Depresión/diagnóstico , Depresión/psicología , Trastornos de Somnolencia Excesiva/diagnóstico , Trastornos de Somnolencia Excesiva/psicología , Fatiga/diagnóstico , Fatiga/psicología , Femenino , Estado de Salud , Encuestas Epidemiológicas , Humanos , Masculino , Persona de Mediana Edad , Inventario de Personalidad , Calidad de Vida , Trastornos del Inicio y del Mantenimiento del Sueño/diagnóstico , Trastornos del Inicio y del Mantenimiento del Sueño/psicología , Estadística como Asunto , Tennessee , Adulto Joven
2.
Sleep Med ; 11(8): 766-71, 2010 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-20605740

RESUMEN

PURPOSE: To produce a valid insomnia treatment satisfaction questionnaire (ITSAT-Q) to assess treatment satisfaction with pharmacotherapy for use in patients with insomnia. PATIENTS AND METHODS: Items developed for a self-administered questionnaire were analyzed using exploratory factor analysis (EFA), which produced 5 dimensions. Confirmatory factor analysis was used to verify results from EFA, and structural equation modeling was used to test the hypothesized relationship among the dimensions. Data were collected from patients as part of a Sleep Research Project from January 2008 until October of 2008. RESULTS: Approximately 69.8% of the sample (n=298) was female. Item-to-total correlations were 0.66 for convenience, ranged from 0.52 to 0.62 for expectations, from 0.54 to 0.69 for value, from 0.50 to 0.57 for effectiveness, and from 0.58 to 0.72 for treatment satisfaction. All standardized parameter estimates from confirmatory factor analysis were significant (p<0.01). Goodness of fit measures for the final structural equation model were chi(2)=45.2 (d.f.=45); p=0.465; CFI=1.00; TLI=1.00; and RMSEA=0.004. Treatment satisfaction was a strong and significant predictor of value, and effectiveness was a strong predictor of treatment satisfaction (p<0.01). Expectations were a strong and equal predictor of both treatment satisfaction and value (p<0.001). CONCLUSION: The ITSAT-Q provided acceptable results for instrument reliability and validity. Findings from this study will provide additional insight regarding patient perceptions of treatment satisfaction and other related therapeutic dimensions to help prescribers assess pharmacotherapy.


Asunto(s)
Hipnóticos y Sedantes/uso terapéutico , Satisfacción del Paciente , Psicometría/normas , Trastornos del Inicio y del Mantenimiento del Sueño/tratamiento farmacológico , Encuestas y Cuestionarios/normas , Adulto , Anciano , Anciano de 80 o más Años , Femenino , Humanos , Masculino , Persona de Mediana Edad , Psicometría/métodos , Reproducibilidad de los Resultados , Adulto Joven
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