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Trends and determinants of suicide in Warangal District Telangana, India: six years retrospective study based on secondary data

Egyptian Journal of Forensic Sciences volume 8, Article number: 8 (2018) Cite this article

Abstract

Background

Suicide is a major public health concern resulting in premature deaths. The six years (2010–2015) retrospective study on suicide cases reported at a tertiary care center of Warangal district, Telangana, India aims to explore the trend and determinant of suicide.

Results

Suicide was predominant among 35- < 45 years aged males and females aged 18- < 30 years. The suicide method varied, males preferred self-poisoning while female committed suicide by self immolation. Among males a summer peak while spring peak was observed for Non-Violent and violent methods respectively. The suicide in females peaked in autumn for non-violent method while Violent suicide was observed in summer. The Joinpoint regression analysis found no significant change in the suicide rate from time period (2010–2015) in overall population or stratification by gender for Warangal district, Telangana India.

Discussion

Suicide prevention strategies or interventions in the studied area could be initiated using the baseline data obtained during present study.

Background

Suicide account for nearly 8 lakh deaths annually worldwide (WHO Official website, 2018a). It is the second-leading cause of premature death among 15–29 years age cohort and triggers huge economic, social and psychological burden on families, communities, and countries (WHO Official website, 2018a). Compared to other regions of the world suicide is highest in the South-East Asia region (World Health Organization. Preventing suicide: A global imperative, 2014). It is estimated that 84% of the suicides occur in Middle and Low-income countries of which India and China alone contribute to half the suicide (Phillips & Cheng, 2012). The suicide rate of India spans from 11.2 per100, 000 population to 189.9 per100, 000 population (Jordans et al., 2014) and has augmented by 17.3% over the past decade (2005–2015) (National Crime Records Bureau of the Ministry of Home Affairs, Government of India, Report on Accidents and Suicides in India (2010–2015), 2018). In India regional disparity in suicide is witnessed, majority aggregated within Southern state of India (Patel et al., 2012). Telangana is the 29th state of India, constituted under the Andhra Pradesh Reorganization Act 2014. The state encompass an area of 1.21 lakh square kilometers and population size of 351.94 lakh (177.04 lakh male and 174.90 lakh females) (Census of India, 2018). In comparison to other states of India, Telangana recorded 4th highest suicide rate; 26.7 per100,000 population in 2014, moreover, it recorded the 3rd highest Suicide rate; 27.7 individuals per100,000 population in 2015 which is higher than four neighboring Southern States and almost double the National Suicide rate (National Crime Records Bureau of the Ministry of Home Affairs, Government of India, Report on Accidents and Suicides in India (2010–2015), 2018). The present study is aimed to characterize Suicide Deaths from the period of 2010–2015 by analyzing variables; Age, gender, suicide methods and seasonal variation for the suicide cases reported at a Tertiary care center located in Warangal district, Telangana, India.

Methods

Mahatma Gandhi Memorial Hospital is a 1000 bedded super specialty government hospital located at Warangal city of Telangana state, India which provides medical facilities to to residents of the Warangal district and neighboring territories.

Retrospective data (name, age, gender, residence, date of admission to hospital, date of death and cause of death) of the suicide victims admitted to the emergency ward of the hospital during the period of six years (1 January 2010 to 31 December 2015) was obtained from the medical records of Mahatma Gandhi Memorial hospital after permission from the hospital Superintendent. For data analysis, secondary data was stratified on the basis of the year, age, gender, suicide methods, type of suicide i.e. violent or non-violent and seasonality of suicide.

To determine which age group is borne upon the most by suicide, the cases were classified according to 6 age cohorts i.e. 1) < 14 years 2) 14 - < 18 years 3) 18 - < 30 years 4) 30 - < 45 years 5)45 - < 60 years 6) ≥60 years (National Crime Records Bureau of the Ministry of Home Affairs, Government of India, Report on Accidents and Suicides in India (2010–2015), 2018). The suicide methods were classified as either violent (use of firearm or shotgun, hanging, cutting and piercing with sharp objects, jumping from high places, getting run over by train or moving vehicle) or non-violent (ingestion of Pesticide, Poison by gas, Suffocation, and overdose) (Sun & Jia, 2014).

For understanding the Seasonal variation of suicide, suicide cases were studied across four seasons i.e. winter (December, January, February), spring (March, April, May), summer (June, July, August) and autumn (September, October, November) (Coimbra et al., 2016).

The differences in the distribution of Age cohort, suicide method and seasonal variation were measured by Pearson’s chi square test performed in SPSS version 20 (IBM –SPSS inc. Chicago, IL).

The crude suicide rate per 100,000 population and the trends were described using joinpoint regression analysis by determining the turning points for the 6 year period (2010–2015) using freely available software Joinpoint Regression Program, Version 4.5.0.1 (Surveillance Research program, National cancer Institute, USA) (Program, 2017). Negative Binomial regression was applied to compute Suicide relative risk (RR) and its 95% Confidence interval explained by independent variables; year (2010 as reference), gender (Female as reference) and suicide method (Violent method as reference).

Result

One thousand three hundred twenty-five suicide cases (750 males and 575 females) over the stretch of 6 years (2010–2015) were reported from various mandals (Sub district/Taluk comprising of several village clusters) of Warangal district, Telangana, India. Five mandals; Atmakur, Geesugnda, Ghanpur (Station), Hanamkonda, Sangam reported majority of the cases while the rest cases (less than 5%) heterogeneously distributed across the remaining Mandals located at greater distance. These cases were majorly reported from rural regions (1217 cases, 92.8%) than compared to urban regions (95 cases, 7.2%).

Overall suicide cases were reported highest in 18- < 30 years age group (34.1%) while least among < 14 years age group (2.4%). Female of age cohort 18- > 30 years and male of 30- > 45 years age group had elevated suicide deaths compared to other age cohorts (Table 1).

Table 1 Age wise distribution of suicide cases
Full size table

The seasonal pattern in suicide was observed i.e. maximum in summer (28%) followed by spring (25.5%) and autumn (25.3%) while least in winter (21.2%) (data not shown) .

The suicide method also illustrated seasonality, among males single peak in spring and summer was observed for violent and non-violent method respectively. Among females, peak in summer and autumn was observed for violent and non-violent method respectively (Table 2).

Table 2 Seasonal distribution of violent and non-violent Suicide method
Full size table

According to method of suicide, 67.2% of the cases committed suicide by poisoning, 31.1% by self immolation and 1.5% by hanging. Gender difference for suicide methods was observed, 82.6% of males preferred poison while 50.6% females succumbed to self immolation (Table 3). Within diverse range of poisons, keratolytics hair treatment preparation (4.8% females versus 1% males) and herbicides or fungicides (20.7% females versus 16% males) illustrated female predominance while in pesticide poisoning male predominance was observed (51.7% females versus 61.2% Males) (Table 3).

Table 3 Distribution of Suicide Method
Full size table

The suicide rate during the six years time frame (2010–2015) ranged 3.67 to 8.40 for overall population, for males ranged from 3.87 to10.40 while crude rate ranged from 3.48 to 7.13 for females (Table 4). No significant difference in the trends (no significant change in annual percentage change and zero joinpoint) over the six years time frame was obtained in the Joinpoint regression analysis (Figs. 1, 2 and 3). The relative risk of suicide increased 1 fold (non-significant) for year 2014 and 2015 compared to 2010.Furthermore 2 fold (non significant) for poisoning cases than compared to hanging or self-immolation while no relative risk for gender was observed (Table 5).

Table 4) Crude and Modeled Suicide rate per 100,000 population calculated using Joint Point Regression model
Full size table
Fig. 1
figure1

Fitted segment lines of Overall annual suicide rate per 100,000 population using Joinpoint regression models. ^Indicates that the Annual Percent Change (APC) is significantly different from zero at the alpha=0.05 level. Final Selected Model: 0 Jointpoints

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Fig. 2
figure2

Fitted segment lines of Male annual suicide rate per 100,000 population using Joinpoint regression models. ^Indicates that the Annual Percent Change (APC) is significantly different from zero at the alpha=0.05 level. Final Selected Model: 0 Jointpoints

Full size image
Fig. 3
figure3

Fitted segment lines of female annual suicide rate per 100,000 population using Joinpoint regression models. ^Indicates that the Annual Percent Change (APC) is significantly different from zero at the alpha=0.05 level. Final Selected Model: 0 Jointpoints

Full size image
Table 5 Negative Binomial regression model for Relative Risk (RR) (95% Confidence Interval)
Full size table

Discussion

Suicide defined by renowned Clinical Psychologist and Suicidologist Edward. S. Schneidman as “the conscious act of self-induced annihilation, best understood as a multidimensional malaise in a needful individual who defines an issue for which the suicide act is perceived as the best solution” (Masango et al., 2008). WHO (World health organization) has recognized suicide as public health concern and aims at 10% decrease in the burden of Suicide by 2020 (WHO Official website, 2018a). Suicide rate diverge for countries due to the difference in the social and cultural background, availability of mental health services, classification of death and accurate registration of suicidal deaths (Hawton & Heeringen, 2009). Globally suicide rate varies from 1.66 per100,000 population to 36.2 per100,000 population (ElHak et al., 2009; Naidoo & Schlebusch, 2014; Sun et al., 2013) and for Indian states it varies from 11.8 per100,000 population to 82.2 per100,000 population (Mohanty et al., 2007; Kumar et al., 2013; Badiye et al., 2014). Suicide rate 8.4 per100,000 population of Warangal district, Telangana observed in the present study seems to be much below suicide rate reported by other Indian studies.This could be due to difference in the source, suicide data was collected from only one tertiary care from Warangal district and hence undermines the true picture of the entire Warangal district. Another reason could be the misclassification of suicide deaths as either unintentional or accidental death for poisoning cases. Furthermore among women due to the legal issues associated with Dowry death or death of women within 7 years of marriage suicide could be underreported (Patel et al., 2012). The Mental Health Care Bill introduced in the Rajya Sabha in August 2013 was passed recently in 2016 which decriminalized Suicide attempt and directed the government to provide rehabilitation to such individuals in order to thwart future reattempt (Rao et al., 2016). This would certainly improve the current scenario of both underreporting of Suicide and its associated psychological or economic burden on Suicide attempter and his family.

In the present study the temporal trend over six years timeframe from 2010 to 2015 showed an increase in overall suicide cases. As per unofficial records, during the struggle of Telangana for a separate statehood, political driven suicides were witnessed (Official website India today, 2018; Official website Newyork times, 2018) which would have added to the incidence of suicide during the studied time frame. Furthermore an elevated suicide incidence in a rural area than compared to the urban area of Warangal district was observed. This observation is in concordance with studies conducted across various geographical regions i.e. Maharashtra (Batra, 2003), Orissa (Sharma et al., 2007) and Sikkim (Chettri et al., 2016). 17% of total famer suicide in India, 1358 cases reported from Telangana state was corollary of Bankruptcy or indebtedness, farming related issues, prolonged illness and family problems (National Crime Records Bureau of the Ministry of Home Affairs, Government of India, Report on Accidents and Suicides in India (2010–2015), 2018). Further, it is speculated that some of the farmers who entered modernized agriculture are weak in dealing and coping with the institutional channels of modernization without effective access to services like insurance, warehousing, post-harvest processing etc (Mohanty, 2013) Since majority of the rural population in Warangal district is primarily engaged in agricultural based activities (Census of India, 2018) the higher rural suicide reported in the present study could be due to the agrarian crisis. The Telangana government has proposed a hike in compensation from 1.5 lakh to 6 lakh for families of farmer suicide (Official website NDTV, 2018) which could have resulted in better reporting of suicide cases from rural region of Warangal district, Telangana. Another possible reason for higher suicide cases in rural region could be to the dearth of immediate medical interventions or specialized medical staff required to deal with self harm or suicide attempt case (Patel et al., 2012).

The present study observation of higher suicide rate among male than compared female is in agreement with other epidemiological studies (Badiye et al., 2014; Chettri et al., 2016; Dervic et al., 2012) reporting 2–3 times higher suicide deaths among males than compared to female counterpart. The gender difference in suicide mortality could be attributed to the difference in preference of more lethal and violent suicide method (Mergl et al., 2015), alcohol abuse and its intoxication at the time of suicide attempt (Menon et al., 2015).

The method of Suicide varies across the region of the world; hanging, use of firearms, and poisoning with drug among developed countries while pesticide self-poisoning in developing countries is preferred suicide method (Ajdacic-Gross et al., 2008). Further unique patterns such as jumping from building, charcoal self immolation, drowning, railway deaths and self-immolation are observed in Asian countries which are absent in another region of the world (Wu et al., 2012) .In the present study poisoning, self immolation and hanging were the three most common suicide methods. Male predominance was observed in poisoning (nonviolent suicide method) while female predominance in Self immolations (violent suicide method) the same observation was also reported by a previous studies (Sharma et al., 2007; Kanchan et al., 2009; Jaiprakash et al., 2011). In rural region of India women have access to combustion fuels i.e. kerosene, petrol etc. which are commonly used in cooking with stoves while males predominantly engaged in agricultural activities have easy access to Pesticides and other agrochemicals therefore self immolation is common among females while Pesticide poisoning among males. Self immolation has sociocultural root, in ancient India Jauhar (Rajput women along with their children would end life in a mass suicide in order to escape aftermath atrocities of a lost war) and Sati (self-immolation of the widow in the pyre of her husband or after the cremation of the husband) (Vijayakumar, 2004). Hence it could be deduced that in Indian context the preference of suicide method is usually governed by availability, accessibility and socio acceptability rather than violence associated with lethality of method (Kanchan et al., 2009) .

Out of the various poisons, pesticide was the most preferred poison, this observation is accordance with earlier studies conducted in India (Patel et al., 2012; Gajalakshmi & Peto, 2007; Joshi et al., 2015; Bose et al., 2009). Pesticide self Poisoning accounts for 30% suicide globally and 20% Suicides in Southeast Asia (Gunnell et al., 2007) to which WHO launched has Global Pesticide and Health Initiative recommending new pesticide policy, conducting epidemiological surveillance, developing programs to minimize pesticide poisoning and medical management of pesticide poisoning (WHO Official website, 2018b). The promising approach to curtailing pesticide suicide mortality includes withdrawal of more toxic pesticide (Zalsman et al., 2016). Further reduced accessibility and safer storage of pesticides in Communal storage centers (Zalsman et al., 2016) would be effective as in India as in majority of self poisoning cases, poisons are obtained in or vicinity of home (Bose et al., 2009). Supervasmol 33™ an inexpensive hair dye, has emerged as a common suicide method popular among housewives (Chrispal et al., 2010) and the same was also observed in the present study. Public awareness on potential toxicity and proper toxicity warnings on hair dye packets could be initiated as preventive strategies (Chrispal et al., 2010) . Another notorious category are poisonous plant such as Yellow Oleander (Thevelia peruvianna) and Cleisthus collinus (oduvanthalia) which are also reportedly consumed for self harm in South India (Bose et al., 2009) and if poison is not detected or diagnosed the antdote could not be administered resulting in fatality.

Seasonality in Suicide is reported from studies conducted around the globe (Naidoo & Schlebusch, 2014; Jia & Zhang, 2011; Dias et al., 2014) and the same was also observed in the present study. Hence suicide prevention strategies such as restriction of access to suicide methods, screening of risk population and strengthening of current medical emergency interventions could be initiated during the hotspot seasons of suicide. The hypothesis proposed to explain Suicide seasonality includes Biopsychiatric approach according to which seasonality in suicide are attributed seasonal affective disorders or due to the affect weather variables on neuroendocrine cycles (Ajdacic-Gross et al., 2010). Further according to the Social Psychological approach, suicide seasonality is determined by the intensity of the Social activity or could be due to failure to meet heightened expectations ahead of new cycle of year or simply by the opportunity to access of the means of suicide example seasonal agricultural activity in rural region increases the opportunity to access Pesticide (Ajdacic-Gross et al., 2010).

Conclusions

The study highlights differential vulnerable age, suicide methods and seasonality of violent suicide across the two genders. These observations could be taken in account for formulating or strengthening existing suicide preventions strategies.

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Acknowledgements

The authors are thankful to Mahatma Gandhi Memorial Hospital (MGM) hospital for providing the data. We are also thankful to Mr. Chakraverti Mahajan (Assistant professor, Department of Anthropology) for his valuable suggestions and critical evaluation of the present manuscript.

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Availability of data and materials

The data used and analyzed in this study are available from the corresponding author on reasonable request.

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  1. Department of Anthropology, University of Delhi, Delhi, 110007, India
    • Suchita Rawat
    • , Pooran Chand Joshi
    •  & Kallur Nava Saraswathy
  2. Department of Biostatistics, All India Institute of Medical Sciences (AIIMS), New Delhi, 110029, India
    • Maroof Ahmad Khan
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Contributions

The study was conceptualized by KNS and SR. Secondary data was collected and analyzed by SR. The statistical analysis was performed and interpreted under the supervision of MAK. The manuscript was drafted by SR and all critical revision in the manuscript was done by KNS and PCJ. All authors read and approved the final manuscript.

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Correspondence to Kallur Nava Saraswathy.

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Authors’ information

Suchita Rawat is a Ph.D. Research Scholar at Dept. Of Anthropology, University Of Delhi. Prof. Pooran Chand Joshi is Professor, Dept. Of Anthropology, University Of Delhi. Dr. Maroof Ahmad Khan is Associate Professor, Department of Biostatistics, All India Institute of Medical Sciences (AIIMS) New Delhi. Dr. Kallur Nava Saraswathy is Assistant Professor, Dept of Anthropology, University Of Delhi.

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This study was approved by the Institutional Ethics Committee of the Kakatiya Medical College, Warangal.

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Rawat, S., Joshi, P.C., Khan, M.A. et al. Trends and determinants of suicide in Warangal District Telangana, India: six years retrospective study based on secondary data. Egypt J Forensic Sci 8, 8 (2018). https://doi.org/10.1186/s41935-018-0041-2

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Keywords

  • Suicide
  • Poisoning
  • Self immolation
  • Suicide seasonality