Volume 17, Issue 1 (March 2019)                   Iranian Rehabilitation Journal 2019, 17(1): 61-66 | Back to browse issues page


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Massah O, Rafiee N, Farhoudian A, Bahmani B, Ahounbar E, Mousavi S H et al . Increasing Prevalence of Methamphetamine Use Among Women: Implication in Suicide Attempt. Iranian Rehabilitation Journal 2019; 17 (1) :61-66
URL: http://irj.uswr.ac.ir/article-1-777-en.html
1- Substance Abuse and Dependence Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran.
2- Department of General Psychology, Faculty of Psychology and Educational Sciences, Allameh Tabataba’i University, Tehran, Iran.
3- Department of Counseling, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran.
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1. Introduction
Drug use disorder is a major health concern globally. According to the world drug report of 2017, about 5% of the world’s adult population have consumed drugs at least once in 2015 and 0.6% of the world total adult population suffered from drug use disorders [1]. Same values were calculated equal to 8.3% and 2.4%, in Iran, respectively [2, 3]. 
In recent years, the rate of drug consumption has increased more rapidly in women than men around the world [1]. A similar trend has also been reported in Iran; the ratio of male to female drug consumers has decreased from 19 in 2007 to 11 in 2011. This ratio was much lower -about 8%- for Methamphetamine (MA) abuse [4] which reflects increased use of MA among women [5]. Suicide attempt was estimated 17-43% among people with drug use disorders [6-8] which is much higher than the general population (less than 3%) [9]. Mood disorders such as depression and anxiety are recognized as critical risk factors for suicide attempt among women with drug use disorders [8]. In addition, psychotic symptoms, anxiety, depression and suicide are prevalent among MA dependents [10]. 
In Iran, there is a high incidence of depression and anxiety among MA dependent females [11] which can be a potential suicide risk among them and requires appropriate evaluation and attention. To our knowledge, no previous research has investigated the suicide attempt among female MA users in Iran. On the other hand, opium is the most prevalently used drug in Iran (in both males and females) [2-4]. Therefore, this study aimed to compare the ratio of suicide attempts between female opium and MA users to determine the relationship between the increased prevalence of MA abuse and suicide risk.
2. Methods
This study was part of a larger cross-sectional survey on women with drug use disorders in Tehran City, Iran (2015).
Study participants
One hundred forty women with drug use disorders participated in this study. One hundred twenty of them were selected from outpatient treatment centers for substance use, a self-help Non-Governmental Organization (NGO) group, short term residential treatment centers, harm-reduction centers (DIC), imprisoned women, and those under compulsory treatment (clause 16) by simple random sampling method. Moreover, 20 female drug users under no treatment were selected by snowball sampling method. Twenty participants were selected from each 7 mentioned sub-groups. Inclusion criteria were opium or MA use and being diagnosed with drug dependence based on Diagnostic and Statistical Manual of Mental Disorders, 5th Edition: DSM-5 (DSM-V). Exclusion criteria were poly-drug use, psychosis or any psychiatric condition affecting the participant’s responses.
Measurements 
Survey data were collected by a researcher-made data gathering form. A pilot study was conducted to evaluate the validity and reliability of the tool, and Kaiser-Meyer-Olkin (KMO) and Cronbach’s alpha of 0.722 and 0.726 were obtained, respectively. Additionally, Beck Scale for Suicidal Ideation (BSSI) was used to investigate suicidal ideation [12]. 
Its concurrent validity with Beck Depression Inventory (BDI) has been reported as 76% and its reliability was calculated as 95% by Cronbach’s alpha [13]. After the completion of data gathering, 136 questionnaires were recognized eligible for statistical analysis.
Data analysis
The obtained data have been analyzed by descriptive and inferential statistics using SPSS. Mean±SD have been used to describe the achieved data. Independent Samples t-test was used to compare the BSSI results between the two groups and the Chi-squared test was used to compare nonparametric variables.
3. Results
The Mean±SD age of opium and MA users were 36±10 and 31±7 years, respectively. Findings suggested no statistically significant difference between the two groups of study, in respect of their level of education (P=0.664), ethnicity (P=0.822), family monthly income (P=0.119), type of occupation in the past year (P=0.524), parent’s level of education (P=0.632), parent’s occupation (P=0.588), and housing status (P=0.464). In conclusion, there was no significant difference in demographic, socio-economic, and cultural variables between the two groups of study.
The Mean±SD total score of BSSI among opium users (n=54) were 29.6±6.2 which fell in the range of 6 to 34 and these values for MA users (n=82) were 27.8±7.5 (range=5-33). There was no significant difference in suicidal ideation between the two groups (P=0.825). Two groups of study were compared in respect of their suicide attempt. As per Table 1, suicide attempt was significantly higher in MA users than opium users (P<0.001).
4. Discussion
This research compared suicide attempt between female MA (glass or crystal MA) users and female opium users in Tehran City, Iran. Considering the increasing MA use among women [5], unfamiliar complications are expected in this population. According to the obtained data, the rate of suicide attempt was higher in crystal MA users. Self-injury behaviors aiming to end one’s own life are considered as suicidal behavior. A complicated condition of current psychiatric disorders along with stress may lead to suicide which is associated with numerous affecting factors, including childhood experiences, impulsivity, pessimism, familial/genetic factors, and aggression [14]. 
There were differences between the two groups of study in terms of personality traits, cognitive issues and complications associated with the use of each substance. Impairments in cognitive-emotional processing are prevalent in drug use disorders. This is because chronic substance use may lead to long-term degeneration in the brain and impairment in its functions [15]. Dopamine release in reinforcing normative behaviors leads to behavioral activation and behavioral responses to instinctual human needs [16]. Moreover, substance abuse evokes dopamine release in dopaminergic pathways. MA use is associated with higher dopamine release, in comparison with opium [17]. 
MA users suffer from widespread deficits in neurocognitive skills, as a result of alternations in the neurotransmitter system, especially at dopamine terminals. Such alternations lead to impairments in cognitive, emotional, and behavioral functions [18, 19]. In addition, cognitive defects in MA users seem to be greater than that of the opium users [20]. Furthermore,cognitive deficits were associated with suicidal behavior [21, 22]; thus, we can expect higher odds of suicide attempt among crystal meth users, compared to opium users.
Some personality traits can well distinguish between substance users and their tendency toward a specific substance [23, 24]. Moreover, prior research reported a correlation between personality disorders and the type of abused substance [23, 25]. Interestingly, there is an association between the data suggested by such investigations and studies on personality disorders and suicide attempt, which suggests the odds of a higher incidence of suicide, consequent to the use of some types of drugs.
Previous investigations highlighted the role of sensation seeking in tendency toward drug use [26] and impulsivity in the development of drug use and its relation with the dopaminergic pathways [27]. In addition, some studies revealed the effect of impairments in dopaminergic pathways; especially an increase in dopamine, upon the occurrence of violence and uncontrolled behaviors [28].
The impulsivity and aggression are highly correlated with suicidal behavior [29]; therefore, more incidence of suicide attempt are expected among MA users. Severe neurotransmitter and brain impairments occur in MA abuse [30]. Thus, the consequences of such impairments (e.g. suicide attempt) are expected to be higher in MA users, compared to the opium users. No studies have directly compared the consequences of neurotransmitter disturbances resulting from MA and opium use. However, the above-mentioned points could be inferred from the literature review and individual investigations [31]. 
A study explored the prevalence of high-risk sexual behaviors and self-harm among the users of all types of drugs in Tehran. The greatest rate of high-risk sexual behaviors was reported by MA and cocaine users which reflects great risk-taking among them. The same study also reported the higher rates of self-harm in MA users, compared to opium users. This finding could explain the higher frequency of suicide attempt among female MA users, compared to female opium users [32].
5. Conclusion
Suicide attempt is much higher in females who use crystal MA, compared to female opium users. This could be a warning to prevent associated risks. Thus, it is necessary to establish preventive plans and manage to deliver emergency interventions, when required.
The main concern about the findings of current study is that the data were obtained by a cross-sectional survey on females’ drug dependence in Tehran. Thus, the research was not initially designed in accordance with the achievements of the investigation. As a result, further research is suggested to be conducted with the same purpose, applying more appropriate research methods. Another limitation in the present study involves the lack of similar investigations, both in Iran and internationally, which made it impossible to directly compare the obtained results with prior data.
Ethical Considerations
Compliance with ethical guidelines
This article was part of a research project (Code: 801/93/10355/1) approved by the Ethics Committee of University of Social Welfare and Rehabilitation Sciences.
Funding
This study was funded by research deputy of Univer­sity of Social Welfare and Rehabilitation Sciences. 
Authors contributions
Developing the study concept, design and the definition of intellectual content: Ali Farhoudian, Omid Massah and Bahman Bahman; Searched the literature: Omid Massah and Nastaran Rafiee; Conducting the study procedures and data collection: Elaheh Ahounbar, Seyed Hadi Mousavi and Mohsen Roshani; Data analysis: Omid Massah and Seyed Hadi Mousavi; Writing the manuscript: Omid Massah and Nastaran Rafiee; Editing and reviewing the manuscript and take responsibility for the integrity of the research as a whole from inception to published article: All authors.

Conflict of interest
The authors have no conflict of interest to declare. 
Acknowledgements
The authors highly appreciate all the colleagues from different treatment or harm reduction centers who contributed to this research.


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Article type: Original Research Articles | Subject: Addiction
Received: 2018/06/19 | Accepted: 2018/12/28 | Published: 2019/03/1

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