Temporal Variation in Parasuicide among Singaporean Chinese

Ho, Brian Kong Wai; Kua, Ee Heok; Hong, Clarice

doi:10.3109/00048679809068323

Cited by 12 publications

(9 citation statements)

References 17 publications

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“…Several studies have reported on temporal factors associated with self-inflicted injuries, with a particular focus on month of year. Some consistent trends have been reported in data by month; rates of self-inflicted injury are higher in late spring or early summer and lower from November to January, [26][27][28][29][30] which agrees with results from the present study. There is less evidence regarding day of week.…”

supporting

confidence: 92%

“…The WHO/EURO study 28 found considerable variation among 16 centres with regard to rates by day of week, and a study in Singapore found that rates were lowest on Saturday. 27 The lack of agreement between sites, including data from the present study, suggests that societal and cultural factors may be responsible for some of the temporal variation with regard to day of week. Finally, the WHO/EURO study reported that rates were highest in most centres between 2000h and midnight.…”

contrasting

confidence: 49%

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Population-based study of medically treated self-inflicted injuries

Colman

Yiannakoulias

Schopflocher

et al. 2004

CJEM

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Objective:Self-inflicted injury is commonly seen in emergency departments (EDs). It may be a precursor to death by suicide. The objective of this study was to examine the epidemiology of self-inflicted injury presentations to EDs in the province of Alberta.Methods:Self-inflicted injury records for the 3 fiscal years 1998/99 to 2000/01 were accessed from the Ambulatory Care Classification System, a database that captures all ED encounters in the province of Alberta. Available data for each case included demographic details, location and time of visit, diagnoses and procedures.Results:There were 22 396 self-inflicted injury presentations to Alberta EDs during the study period. Self-inflicted injury rates were higher in females, younger patients, those on social services and those with Aboriginal treaty status. There were higher rates of return visits in the year following the self-inflicted injury than in other patient groups. Data showed regional variation. Trends could be seen in the timing of self-inflicted injury presentations by hour of day, day of week, and month of year.Conclusions:Self-inflicted injury is common, with particularly high rates demonstrated among marginalized populations. This study provides comprehensive data on those who present with self-inflicted injuries, and can be used to guide further treatment, research and evaluation for this population.

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supporting

confidence: 92%

contrasting

confidence: 49%

Population-based study of medically treated self-inflicted injuries

Colman

Yiannakoulias

Schopflocher

et al. 2004

CJEM

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“…Masterton [9] stressed the fact that the trough in female parasuicide admissions observed in December could be a reflection of an enhanced sense of belonging to family and friendship networks linked to the planning and organizing of Christmas celebrations, a task traditionally assigned to women. Social and cultural factors also play a significant role in the temporal variation in attempted suicide in Singapore, where in both genders the peak months were June, August and September with a trough in December and January [65]. Culturally tied factors of a social or psychological basis may likewise influence the occurrence of selfdestructive acts in an opposite way.…”

Section: Discussionmentioning

confidence: 99%

Influence of Method on Seasonal Distribution of Attempted Suicides in Italy

Preti¹,

Miotto²

2000

Neuropsychobiology

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To verify if attempted suicides follow different seasonal distributions according to the method chosen, we studied the Italian monthly distribution of admissions for attempted suicide in the period 1984–1995 according to gender and age, distinguishing between non-violent (ICD 950–952) and violent (ICD 953–958) attempted suicides. The effect of temperature was also taken into account. A clear asymmetry in seasonal distribution of events can be observed in the oldest age groups in both genders, with a peak in warmer months. Only male attempted suicides by violent methods show a clear asymmetry in seasonal distribution, with a peak in spring months and a trough in autumn months. Spectral analysis, more accurate in detecting seasonal rhythms than analyses that only compare monthly seasonal means, identifies a circannual rhythm for violent suicides in both genders. The seasonal components of total variance in attempted suicides account for 16.5 and 12.4%, respectively, of violent male and female attempted suicides. Among males, a significant (p < 0.05) 4 cycles/year pattern is seen alongside the more relevant (89.4%, p < 0.01) 1 cycle/year distribution. Among females, aside from the 1 cycle/year distribution (63.3%, p < 0.01) noted, a 6 cycles/year pattern is found to contribute significantly (16.9%, p < 0.05) to the seasonal component of variance. A clear relationship with temperature indicators is noted among males: higher temperatures positively correlate with attempted suicides, whereas cooler temperatures seem to exert a protective action. Female attempts show a less evident correlation with indicators of temperature. Sample composition by age and gender and the lack of distinction between methods of attempted suicide may have obscured the seasonal component of some classes of attempted suicide in previous studies. The circannual rhythm found in this study of violent attempted suicide in relation to climate seasonal change confirms the importance of taking chronobiological variables into account in the evaluation of patients at risk of suicide.

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“…As an example of a seasonally linked psychosocial stressor, there is a well‐established relationship in many industrialized societies between the patterning of holidays and religious festivals and variations in suicide and attempted suicide over the course of the year (Anson & Anson 1997; Ho, Kua & Hong 1998; Jessen & Jensen 1999; Jessen et al 1999; Voracek & Sonneck 1999). Another example is the academic year.…”

Section: Seasonal Affective Disordermentioning

confidence: 99%

Emotional Climates: Ritual, Seasonality and Affective Disorders

Harrison¹

2004

Royal Anthropological Inst

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This article discusses resemblances between the religious symbolism of the annual cycle in certain societies, and seasonally linked mood disorders (notably seasonal affective disorder, or SAD) in contemporary Europe and North America.Two conclusions are drawn: first, that the ritual and symbolism connected with seasonality in some societies may be partly motivated by neurophysiology; second, that SAD is a culture-bound syndrome limited to societies that generate disjunctions between 'social' and 'natural' time.

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Temporal Variation in Parasuicide among Singaporean Chinese

Cited by 12 publications

References 17 publications

Population-based study of medically treated self-inflicted injuries

Population-based study of medically treated self-inflicted injuries

Influence of Method on Seasonal Distribution of Attempted Suicides in Italy

Emotional Climates: Ritual, Seasonality and Affective Disorders

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