Temporal distribution of suicide mortality: A systematic review

Galvão, Pauliana Valéria Machado; Silva, Hugo Rafael Souza e; Silva, Cosme Marcelo Furtado Passos da

doi:10.1016/j.jad.2017.12.008

Cited by 45 publications

(34 citation statements)

References 67 publications

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“…However, existing studies on the occurrence of suicide have clearly and repeatedly reported a seasonal pattern. For example, a recent systematic review of the temporal distribution of suicide mortality [40] stated that 81.5% of studies of the monthly distribution of suicide monthly peaks corresponded, by study hemisphere, to spring and early summer. Similar results were observed for studies that examined suicide by season [40].…”

Section: Discussionmentioning

confidence: 99%

“…For example, a recent systematic review of the temporal distribution of suicide mortality [40] stated that 81.5% of studies of the monthly distribution of suicide monthly peaks corresponded, by study hemisphere, to spring and early summer. Similar results were observed for studies that examined suicide by season [40]. The difference between these findings and our own highlights the complex relationship between suicide-related search volumes and rates of completed suicide or suicide attempts.…”

Section: Discussionmentioning

confidence: 99%

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Seasonality Patterns of Internet Searches on Mental Health: Exploratory Infodemiology Study

Soreni¹,

Cameron²,

Streiner³

et al. 2019

JMIR Ment Health

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Background The study of seasonal patterns of public interest in psychiatric disorders has important theoretical and practical implications for service planning and delivery. The recent explosion of internet searches suggests that mining search databases yields unique information on public interest in mental health disorders, which is a significantly more affordable approach than population health studies. Objective This study aimed to investigate seasonal patterns of internet mental health queries in Ontario, Canada. Methods Weekly data on health queries in Ontario from Google Trends were downloaded for a 5-year period (2012-2017) for the terms “schizophrenia,” “autism,” “bipolar,” “depression,” “anxiety,” “OCD” (obsessive-compulsive disorder), and “suicide.” Control terms were overall search results for the terms “health” and “how.” Time-series analyses using a continuous wavelet transform were performed to isolate seasonal components in the search volume for each term. Results All mental health queries showed significant seasonal patterns with peak periodicity occurring over the winter months and troughs occurring during summer, except for “suicide.” The comparison term “health” also exhibited seasonal periodicity, while the term “how” did not, indicating that general information seeking may not follow a seasonal trend in the way that mental health information seeking does. Conclusions Seasonal patterns of internet search volume in a wide range of mental health terms were observed, with the exception of “suicide.” Our study demonstrates that monitoring internet search trends is an affordable, instantaneous, and naturalistic method to sample public interest in large populations and inform health policy planners.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Seasonality Patterns of Internet Searches on Mental Health: Exploratory Infodemiology Study

Soreni¹,

Cameron²,

Streiner³

et al. 2019

JMIR Ment Health

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“…Mortality and morbidity follow a seasonal pattern [1]. Seasonal patterns have been observed for completed suicides in many parts of the world with peaks in spring and early summer [2]. Schizophrenia [3] has been reported to follow a seasonal pattern, but there is a lack of evidence regarding seasonality patterns for admissions due to schizoaffective disorders and psychosis [3,4].…”

Section: Introductionmentioning

confidence: 99%

Ambient Temperature and Associations with Daily Visits to a Psychiatric Emergency Unit in Sweden

Carlsen

Oudin

Steingrímsson

et al. 2019

IJERPH

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High or low ambient temperatures pose a risk factor for the worsening or onset of psychiatric disorders. The aim of this study was to investigate the association between ambient temperature and psychiatric emergency visits in an urban region in a temperate climate. The daily number of visits to a psychiatric emergency room (PEVs) at Sahlgrenska University Hospital, Gothenburg, Sweden and the daily mean temperature were extracted for the study period 1 July 2012 to 31 December 2017. Case-crossover analysis with distributed lag non-linear models was used to analyse the data by season. The warm season was defined as May to August and the cold season as November to February. Shorter lags periods were used for the warm season than the cold season. In the analysis, temperatures at the 95th percentile was associated with 14% (95% confidence interval (CI): 2%, 28%) increase in PEVs at lag 0–3 and 22% (95%CI: 6%, 40%) for lags 0–14 during the warm season, relative to the seasonal minimum effect temperature (MET). During the cold season temperatures at the 5th percentile were associated with 25% (95% CI: −8%, 13%) and 18% (95% CI: −30%, 98%) increase in PEVs at lags 0–14 and 0–21 respectively. We observed an increased number of PEVs at high and low temperatures; however, not to a statistically significant extent for low temperatures. Our findings are similar to what has been found for somatic diseases and in studies of other mental health outcomes in regions with more extreme climates. This merits the inclusion of individuals with psychiatric disorders in awareness planning for climate warning systems.

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“…De la totalidad de los pacientes la mayoría fue del sexo masculino, lo que demuestra una leve incidencia mayor en este sexo, lo cual se podría deber a la mayor exposición a las sustancias toxicas y al consumo del alcohol, y (3,14,15) otros factores tanto sociales como psicologías . Si bien diversos autores han señalado una mayor proporción de intento de suicidio en el sexo femenino, se ha visto que la mayor frecuencia de suicidios (16) consumados ha sido en el sexo masculino .…”

Section: Discussionunclassified

Clinical and epidemiological characteristics of poisonings in the Hospital General Docente Ambato of Ecuador, 2013 to 2014

González

Ponce

Benedictis-Serrano

et al. 2018

Rev. virtual Soc. Parag. Med. Int

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RESUMENObjetivos: determinar las características clínicas y epidemiológicas de las intoxicaciones en el Hospital General Docente Ambato de Ecuador desde septiembre del 2013 a agosto del 2014. Materiales y métodos: se realizó un estudio, observacional descriptivo de corte transversal sobre los casos de intoxicación registrados en el Hospital General Docente Ambato. Para la recolección de los datos se creó una planilla electrónica con las variables de interés. Los datos se expresan en proporciones, medidas de tendencia central y dispersión. Resultados: durante el periodo estudiado se registraron 58 casos, en el rango etario de 19 a 30 años se presentó 31,03% de los casos, correspondiendo a organofosforados en 25,86%, alcohol 22,41% y medicamentos 18,96%. Conclusión: se identificó que el porcentaje mayor de las intoxicaciones fueron ocasionadas por organofosforados, los pacientes son atendidos oportunamente y los intentos autolíticos constituyen la principal causa por la que acuden los pacientes intoxicados al Servicio de Emergencia del Hospital Ambato de Ecuador.Palabras claves: síndrome metabólico, insuficiencia vascular periférica, índice tobillo-brazo ABSTRACT Objectives: To determine the clinical and epidemiological characteristics of poisonings in the Hospital General Docente Ambato of Ecuador from September 2013 to August 2014. Materials and methods: A cross-sectional descriptive, observational study was conducted on intoxication cases registered at the Hospital General Docente Ambato. An electronic spreadsheet with the variables of interest was created for data collection. The data are expressed in proportions, measures of central tendency and dispersion. Results: During the studied period 58 cases were registered, there were 31.03% of the cases in the age range of 19 to 30 years, corresponding to organophosphorus in 25.86%, alcohol 22.41% and medicines 18.96%.

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Temporal distribution of suicide mortality: A systematic review

Cited by 45 publications

References 67 publications

Seasonality Patterns of Internet Searches on Mental Health: Exploratory Infodemiology Study

Seasonality Patterns of Internet Searches on Mental Health: Exploratory Infodemiology Study

Ambient Temperature and Associations with Daily Visits to a Psychiatric Emergency Unit in Sweden

Clinical and epidemiological characteristics of poisonings in the Hospital General Docente Ambato of Ecuador, 2013 to 2014

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