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Seasonal Pattern in Suicide in Iran.

Moqaddasi Amiri M, Ahmadi Livani A, Moosazadeh M, Mirzajani M, Dehghan A - Iran J Psychiatry Behav Sci (2015)

Bottom Line: The present study was a longitudinal study with time series features.The variable time, in this study, was defined as each month of study years (2005 - 2011), which included 84 monthly time points.To analyze data, the Student's independent t-test and analysis of variance (ANOVA) test were used.

View Article: PubMed Central - PubMed

Affiliation: Department of Biostatistics and Epidemiology, School of Health, Kerman University of Medical Sciences, Kerman, IR Iran.

ABSTRACT

Background: Various studies have shown a seasonal pattern in suicide in the developed societies; however, this pattern is not taken into consideration in most countries including Iran.

Objectives: The current paper studied the seasonal pattern of committing suicide in Northern Iran.

Materials and methods: The present study was a longitudinal study with time series features. Subject included suicide attempts recorded by emergency wards of all hospitals in Mazandaran province, Iran. The variable time, in this study, was defined as each month of study years (2005 - 2011), which included 84 monthly time points. To analyze data, the Student's independent t-test and analysis of variance (ANOVA) test were used.

Results: Of the 14,437 suicide attempts reported during the seven-year period, 5359 (37.1%) were related to males. Suicide attempts reached a peak in June (1418 cases) and November (1352 cases), but were at their lowest level in March (991 cases) (P = 0.877).

Conclusions: The suicide seasonality range is broad in this part of Iran. Moreover, there were two noticeable suicide peaks in June and November.

No MeSH data available.


Related in: MedlinePlus

Seasonal Variation in the Number of Suicides by Age Group Per Month
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A842FIG3: Seasonal Variation in the Number of Suicides by Age Group Per Month

Mentions: Based on Figure 2, the maximum rate of suicide attempts were observed in June (1418 cases) and November (1352 cases), and the minimum in March (991 cases) and February (1008 cases); however, the observed difference was not statistically significant (P = 0.877). Suicide peaks in males and females and in different age groups were in June and November (Figures 2 and 3). Concerning season, the lowest rate (21.5%) was in the winter, and the highest rate was in other seasons (spring, summer, and fall) (Table 1). According to the results of ANOVA and LSD test, a significant difference was observed between winter with spring (P = 0.001), summer (P = 0.001), and fall (P = 0.070).


Seasonal Pattern in Suicide in Iran.

Moqaddasi Amiri M, Ahmadi Livani A, Moosazadeh M, Mirzajani M, Dehghan A - Iran J Psychiatry Behav Sci (2015)

Seasonal Variation in the Number of Suicides by Age Group Per Month
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4644624&req=5

A842FIG3: Seasonal Variation in the Number of Suicides by Age Group Per Month
Mentions: Based on Figure 2, the maximum rate of suicide attempts were observed in June (1418 cases) and November (1352 cases), and the minimum in March (991 cases) and February (1008 cases); however, the observed difference was not statistically significant (P = 0.877). Suicide peaks in males and females and in different age groups were in June and November (Figures 2 and 3). Concerning season, the lowest rate (21.5%) was in the winter, and the highest rate was in other seasons (spring, summer, and fall) (Table 1). According to the results of ANOVA and LSD test, a significant difference was observed between winter with spring (P = 0.001), summer (P = 0.001), and fall (P = 0.070).

Bottom Line: The present study was a longitudinal study with time series features.The variable time, in this study, was defined as each month of study years (2005 - 2011), which included 84 monthly time points.To analyze data, the Student's independent t-test and analysis of variance (ANOVA) test were used.

View Article: PubMed Central - PubMed

Affiliation: Department of Biostatistics and Epidemiology, School of Health, Kerman University of Medical Sciences, Kerman, IR Iran.

ABSTRACT

Background: Various studies have shown a seasonal pattern in suicide in the developed societies; however, this pattern is not taken into consideration in most countries including Iran.

Objectives: The current paper studied the seasonal pattern of committing suicide in Northern Iran.

Materials and methods: The present study was a longitudinal study with time series features. Subject included suicide attempts recorded by emergency wards of all hospitals in Mazandaran province, Iran. The variable time, in this study, was defined as each month of study years (2005 - 2011), which included 84 monthly time points. To analyze data, the Student's independent t-test and analysis of variance (ANOVA) test were used.

Results: Of the 14,437 suicide attempts reported during the seven-year period, 5359 (37.1%) were related to males. Suicide attempts reached a peak in June (1418 cases) and November (1352 cases), but were at their lowest level in March (991 cases) (P = 0.877).

Conclusions: The suicide seasonality range is broad in this part of Iran. Moreover, there were two noticeable suicide peaks in June and November.

No MeSH data available.


Related in: MedlinePlus