Browsing by Author "Pereira-Morales, Angela J."

While social zeitgebers are known to shape diurnal preference, little research has been devoted to determining the contribution of the familiar group chronotype as social zeitgeber on individual circadian rhythms and ...

Background and Objectives: Young adults might engage in many risk behaviors, including alcohol and drug use, which could lead to mental health problems, such as suicide. The aim of this study was to examine specific ...

Mismatch between perceived family and individual chronotype and their association with sleep-wake patterns
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Pereira-Morales, Angela J. | 2019

While social zeitgebers are known to shape diurnal preference, little research has been devoted to determining the contribution of the familiar group chronotype as social zeitgeber on individual circadian rhythms and sleep-wake patterns in adult subjects. The current study aimed to examine the matching between perceived family chronotype and individual chronotype and their relationship with sleep-wake patterns on weekdays and weekends, diurnal subjective somnolence, and substance consumption. Nine hundred and forty-two Colombian adults completed the Composite Scale of Morningness, the Epworth Sleepiness Scale, and responded to a questionnaire about circadian preferences of their family nucleus. We found evidence of a mismatch between perceived family and individual chronotype, mainly for morning-type individuals (Cohen’s Kappa = −0.231; p < 0.001). This mismatch was associated with diurnal subjective somnolence (β = 0.073; p < 0.001) and specific sleep-wake patterns (p < 0.01). In addition, subjects with evening-type families showed higher caffeine and alcohol consumption (p < 0.001). To our knowledge, this is the first study to assess and report the mismatching between perceived family and individual chronotypes, and it adds to the existing body of knowledge regarding the influence of social zeitgebers on circadian rhythms. This is particularly relevant since mismatching between circadian physiology and environmental cues have been shown to lead to diverse pathologies. © 2019, The Author(s).

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Substance use and suicide risk in a sample of young Colombian adults: An exploration of psychosocial factors
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Pereira-Morales, Angela J. | 2017

Background and Objectives: Young adults might engage in many risk behaviors, including alcohol and drug use, which could lead to mental health problems, such as suicide. The aim of this study was to examine specific psychosocial and clinical factors that could influence the possible relationship between polysubstance use (PSU) and suicide risk in a sample of young Colombian participants. Methods: A sample of 274 young participants (mean age = 21.3 years) was evaluated with two substance use screening tests (ASSIST and AUDIT) and five scales for clinical and psychosocial factors and suicide risk: The Center for Epidemiologic Studies Depression scale, Zung Self-Rating Anxiety scale, Family APGAR, the Childhood Trauma Questionnaire, and the Plutchik Suicide Risk scale. Correlation and multiple regression analyses were conducted. Results: Use of cannabis and tobacco was significantly correlated with suicide risk in the total sample (p <.05). Depressive and anxiety symptoms, family functioning, and emotional abuse during childhood were significantly associated with suicide risk (p <.001), while alcohol use, anxiety symptoms, and family functioning were variables significantly related to PSU. Discussion and Conclusions: Our findings are consistent with previous evidence suggesting a relationship between substance use, several psychosocial factors, and suicide risk in young participants. Scientific Significance: Our study is one of the first reports the relationship between substance use and suicide risk in a Latin American population. (Am J Addict 2017;26:388–394). © 2017 American Academy of Addiction Psychiatry

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Browsing by Author "Pereira-Morales, Angela J."

Mismatch between perceived family and individual chronotype and their association with sleep-wake patterns ﻿

Substance use and suicide risk in a sample of young Colombian adults: An exploration of psychosocial factors ﻿

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Mismatch between perceived family and individual chronotype and their association with sleep-wake patterns

Substance use and suicide risk in a sample of young Colombian adults: An exploration of psychosocial factors

Mismatch between perceived family and individual chronotype and their association with sleep-wake patterns

Substance use and suicide risk in a sample of young Colombian adults: An exploration of psychosocial factors