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  1. Home
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Browsing by Author "Villalobos-Gallegos, Luis"

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    Development of an evidence-based model of rapid testing, counseling and referral patients with HIV, HVC and other STDs in Mexican addiction treatment centers
    (Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, 2019) Marín-Navarrete, Rodrigo; Magis-Rodríguez, Carlos; Villalobos-Gallegos, Luis; Villafuerte-García, Adriana; Pérez-López, Alejandro; Ruiz-Herrera, Karen; Sánchez-Domínguez, Ricardo; Ponce-Ramos, Marisol; Morales-Carcaño, Anette; Bravo-García, Enrique; Uribe Zúñiga, Patricia; Medina-Mora, María Elena; Unidad de Ensayos Clínicos en Adicciones y Salud Mental, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz. Ciudad de México, México.; rmarin@imp.edu.mx (Rodrigo Marín-Navarrete)
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    Effect of substance use on condom use in the theory of planned behavior: analysis of differential item functioning
    (Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Calz. México-Xochimilco 101, Col. San Lorenzo-Huipulco, C.P. 14370, Tlalpan, México, D.F., 2017) Sánchez-Domínguez, Ricardo; Villalobos-Gallegos, Luis; Felix-Romero, Violeta; Morales-Chainé, Silvia; Marín-Navarrete, Rodrigo; Unidad de Ensayos Clínicos, Subdirección de Investigaciones Clínicas. Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz; lvillalobos@imp.edu.mx
    Introduction. Substance use is one of the factors associated with lower condom use in young adults, which increases the likelihood of HIV infection. The Theory of Planned Behavior (TPB) is one of the most useful models for explaining this phenomenon since it considers the aim of engaging in a behavior based on attitudes, subjective norms and self-efficacy. Objective. To develop a questionnaire and to evaluate the Differential Item Functioning (DIF) caused by substance use in TPB indicators, using the Multiple Indicators Multiple Causes Analysis (MIMIC). Method. The study was conducted in two phases with Mexico City college students age 18 to 25. Results. Adequate goodness of fit was obtained in all three models of the TPB: attitudes χ2 S-B(2) = 3.902, p < .001; CFIs = .999; TLIs = .996; RMSEAs = .037, 90% CI ≤ .001-.095; subjective norms χ2 S-B(7) = 9.103, p < 0.245; CFIs = .999; TLIs = .998; RMSEAs = .022, 90% CI ≤ .001-.056; and self-efficacy χ2 S-B(25) = 65.115, p < .001; CFIs = .982; TLIs = .974; RMSEAs = .050, 90% CI = .036-.066; in one item in attitudes and two items in subjective norms a DIF effect was observed, while no item proved significant regarding self-efficacy. Discussion and conclusion. There is little evidence in the detection of DIF due to substance use in TPB indicators in condom use, and this is the first study to conduct this type of analysis. Items presenting DIF open the door to future research due to the importance of assessing how the indicator behaves with a population displaying a particular trait.
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    Estructura factorial del Cuestionario de Creencias Adictivas en Fumadores (CCAF)
    (Centros de Integración Juvenil A.C., 2016) Pérez-López, Alejandro; Moreno-Coutiño, Ana; Villalobos-Gallegos, Luis; Marín-Navarrete, Rodrigo; Unidad de Ensayos Clínicos en Adicciones y Salud Mental. Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, México; aperez@imp.edu.mx; aperez@inprf.gob.mx (Alejandro Pérez López)
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    Is the Mini-Mental State Examination (MMSE) useful for eligibility screening of research participants with substance use disorder?
    (Centros de Integración Juvenil A.C., 2016) Toledo-Fernández, Aldebarán; Villalobos-Gallegos, Luis; Marín-Navarrete, Rodrigo; Unidad de Ensayos Clínicos en Adicciones y Salud Mental. Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz (National Institute of Psychiatry Ramón de la Fuente Muñiz), Mexico; atoledo@imp.edu.mx (Aldebarán Toledo-Fernández)
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    Neuropsychological validation of a brief quiz to examine comprehension of consent information in observational studies of substance users
    (Lawrence Erlbaum Associates, 2020) Toledo-Fernández, Aldebarán; Sánchez-Domínguez, Ricardo; Villalobos-Gallegos, Luis; Pérez-López, Alejandro; Macías-Flores, Alan; Marín-Navarrete, Rodrigo; Facultad de Psicología, Universidad Anáhuac México; aldebaran.toledofe@anahuac.mx (Aldebarán Toledo-Fernández)
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    Nicotine craving questionnaire (CCN): psychometric properties on Mexican population
    (Instituto Nacional de Psiquiatría Ramón de la Fuente. Calz. México-Xochimilco 101, San Lorenzo Huipulco, Tlalpan, 14370, México DF. Tel. (55) 4160-5000, 2012) Villalobos-Gallegos, Luis; Marín-Navarrete, Rodrigo; Templos-Nuñez, Liliana; Rosendo-Robles, Alejandro; Unit of Clinical Trials on Addictions and Mental Health. National Institute of Psychiatry Ramón de la Fuente (INPRF), México City, México; lvillalobos@inprf.gob.mx
    El craving en fumadores es uno de los problemas principales del tratamiento del tabaquismo. El presente trabajo tuvo como objetivo la elaboración de un cuestionario de autorreporte del deseo de fumar. El proceso de desarrollo se llevó a cabo en dos etapas: construcción de reactivos por medio del método de redes semánticas naturales modificadas, el cual se aplicó a 42 fumadores; posteriormente se aplicó la primera versión del cuestionario a 222 fumadores. Se obtuvo la consistencia interna y se realizó un análisis de discriminación de reactivos; posteriormente se realizó un análisis factorial con rotación ortogonal con un método de componentes principales. Los resultados arrojaron 12 reactivos en tres factores, que explican 76% de la varianza total y un alfa de Chronbach=0.92.
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    Psychiatric symptoms, substance use, and other medical conditions in patients with obesity who seek treatment for weight loss
    (Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, 2016) Marín-Navarrete, Rodrigo; Quintero, Javier; Correas-Lauffer, Javier; Cortés-Ramírez, Julio; Villalobos-Gallegos, Luis; Unidad de Ensayos Clínicos en Adicciones y Salud Mental, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, México; rmarin@imp.edu.mx(Rodrigo Marín-Navarrete)
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    Psychometric and diagnostic properties of the Drug Abuse Screening Test (DAST): Comparing the DAST-20 vs. the DAST-10
    (Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, 2015) Villalobos-Gallegos, Luis; Pérez-López, Alejandro; Mendoza-Hassey, Rebeca; Graue-Moreno, Javier; Marín-Navarrete, Rodrigo; Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz (INPRFM), Unidad de Ensayos Clínicos en Adicciones y Salud Mental; rmarin@inprf.gob.mx (Rodrigo Marin-Navarrete)
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    Rapid testing and counseling for HIV/STIs in Mexican community-based residential care facilities for substance use disorders: a prospective study protocol
    (Taylor & Francis, 2019) Marín-Navarrete, Rodrigo; Villalobos-Gallegos, Luis; Medina-Mora, María Elena; Magis-Rodríguez, Carlos; Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz (INPRFM), Mexico City.; rmarin@imp.edu.mx (Rodrigo Marín-Navarrete)
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    Testing the synergistic effects of depression, anxiety, and substance use in unsafe sex: a cross-sectional study
    (Springer, 2021) Villalobos-Gallegos, Luis; Medina-Mora, María Elena; Marín-Navarrete, Rodrigo; Magis-Rodriguez, Carlos; Ruiz-Velasco Acosta, Silvia; Facultad de Medicina y Psicología, Universidad Autónoma de Baja California-Tijuana, Universidad 14418, Parque Internacional Industrial Tijuana, 22390 Tijuana, B.C., Mexico; villalobos.luis@uabc.edu.mx (Luis Villalobos-Gallegos)
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    Testing the synergistic effects of depression, anxiety, and substance use in unsafe sex: a cross-sectional study
    (Springer, 2021) Villalobos-Gallegos, Luis; Medina-Mora, María Elena; Marín-Navarrete, Rodrigo; Magis-Rodríguez, Carlo; Ruiz-Velasco Acosta, Silvia; Facultad de Medicina y Psicología, Universidad Autónoma de Baja California-Tijuana, Universidad 14418, Parque Internacional Industrial Tijuana, 22390, Tijuana, B.C., Mexico; villalobos.luis@uabc.edu.mx (Luis Villalobos Gallegos)
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    Testing whether cognitive reserve as measured by self-rating of stimulating activities moderates the association of polysubstance use and neurocognitive disorder
    (Taylor & Francis, 2019) Toledo-Fernández, Aldebarán; Marín-Navarrete, Rodrigo; Villalobos-Gallegos, Luis; Salvador-Cruz, Judith; Benjet, Corina; Roncero, Carlos; Clinical Trials Unit on Addiction and Mental Health, National Institute of Psychiatry Ramón de la Fuente Muñiz (INPRFM), Mexico City, Mexico.; atoledo@imp.edu.mx (Aldebarán Toledo-Fernández)