Predicting the onset and persistence of episodes of depression in primary health care. The predictD-Spain study: Methodology

Background: The effects of putative risk factors on the onset and/or persistence of depression remain unclear. We aim to develop comprehensive models to predict the onset and persistence of episodes of depression in primary care. Here we explain the general methodology of the predictD-Spain study an...

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Detalles Bibliográficos
Autores: Bellon, Juan Angel, Moreno-Kuestner, Berta, Torres-Gonzalez, Francisco, Monton-Franco, Carmen, Gilde Gomez-Barragan, Maria Josefa, Sanchez-Celaya, Marta, Diaz-Barreiros, Miguel Angel, Vicens-Caldentey, Caterina, de Dios Luna, Juan, Cervilla, Jorge A., Gutierrez, Blanca, Martínez, M Teresa, Olivan-Blazquez, Barbara, Vazquez-Medrano, Ana, Sanchez-Artiaga, Maria Soledad, March, Sebastia, Motrico, Emma, Ruiz-Garcia, Victor Manuel, Brangier-Wainberg, Paulette Renee, Munoz-Garcia, M. del Mar, Nazareth, Irwin, King, Michael, PredictD Grp
Tipo de recurso: artículo
Fecha de publicación:2008
País:España
Institución:Conselleria de Salut i Consum del Govern de les Illes Balears
Repositorio:Docusalut
Idioma:inglés
OAI Identifier:oai:docusalut.com:20.500.13003/15585
Acceso en línea:https://hdl.handle.net/20.500.13003/15585
Access Level:acceso abierto
Palabra clave:Factor Analysis, Statistical
Recurrence
Male
Prospective Studies
Female
Risk Factors
Primary Health Care
Surveys and Questionnaires
Socioeconomic Factors
Humans
Follow-Up Studies
Risk Assessment
Adult
Spain
Depressive Disorder
Aged
Middle Aged
Reproducibility of Results
Adolescent
Prevalence
España
Prevalencia
Reproducibilidad de los Resultados
Femenino
Adolescente
Análisis Factorial
Masculino
Factores Socioeconómicos
Estudios de Seguimiento
Factores de Riesgo
Humanos
Persona de Mediana Edad
Recurrencia
Estudios Prospectivos
Anciano
Medición de Riesgo
Encuestas y Cuestionarios
Trastorno Depresivo
Atención Primaria de Salud
Adulto
Descripción
Sumario:Background: The effects of putative risk factors on the onset and/or persistence of depression remain unclear. We aim to develop comprehensive models to predict the onset and persistence of episodes of depression in primary care. Here we explain the general methodology of the predictD-Spain study and evaluate the reliability of the questionnaires used. Methods: This is a prospective cohort study. A systematic random sample of general practice attendees aged 18 to 75 has been recruited in seven Spanish provinces. Depression is being measured with the CIDI at baseline, and at 6, 12, 24 and 36 months. A set of individual, environmental, genetic, professional and organizational risk factors are to be assessed at each follow-up point. In a separate reliability study, a proportional random sample of 401 participants completed the test-retest (251 researcher-administered and 150 self-administered) between October 2005 and February 2006. We have also checked 118,398 items for data entry from a random sample of 480 patients stratified by province. Results: All items and questionnaires had good test-retest reliability for both methods of administration, except for the use of recreational drugs over the previous six months. Cronbach's alphas were good and their factorial analyses coherent for the three scales evaluated (social support from family and friends, dissatisfaction with paid work, and dissatisfaction with unpaid work). There were 191 (0.16%) data entry errors. Conclusion: The items and questionnaires were reliable and data quality control was excellent. When we eventually obtain our risk index for the onset and persistence of depression, we will be able to determine the individual risk of each patient evaluated in primary health care.

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