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Caffeine Consumption In A Long-Term Psychiatric Hospital: Tobacco Smoking May Explain In Large Part The Apparent Association Between Schizophrenia And Caffeine Use, Manuel Arrojo-Romero, Carmen Armas Barbazán, Javier D. López-Moriñigo, Ramón Ramos-Rios, Manuel Gurpegui, José M. Martinez-Ortega, Dolores Jurado, Francisco J. Diaz, Jose De Leon

Psychiatry Faculty Publications

This study further explores the association between schizophrenia and caffeine use by combining two prior published Spanish samples (250 schizophrenia outpatients and 290 controls from the general population) with two Spanish long-term inpatient samples from the same hospital (145 with schizophrenia and 64 with other severe mental illnesses). The specific aims were to establish whether or not, after controlling for confounders including tobacco smoking, the association between schizophrenia and caffeine is consistent across schizophrenia samples and across different definitions of caffeine use. The frequency of caffeine use in schizophrenia inpatients was not significantly higher than that in non-schizophrenia inpatients (77%, …

Fagerstrom Test For Nicotine Dependence Vs Heavy Smoking Index In A General Population Survey, M. Pérez-Ríos, M. I. Santiago-Pérez, B. Alonso, A. Malvar, X. Hervada, Jose De Leon

Psychiatry Faculty Publications

BACKGROUND: The Fagerström Test for Nicotine Dependence (FTND) is used for assessing nicotine dependence. A shorter test derived from the FTND used for the general population is the Heavy Smoking Index (HSI) (six questions vs. two). The objective of this study is to compare the validity of the HSI versus the FTND.

METHODS: A survey of tobacco use in the general population was carried out in the northern Spanish region of Galicia using both the FTND and the HSI to study a representative sample of 1655 daily smokers. The HSI was compared with the FTND, considered the gold standard. Measures …