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Depression and suicidal behavior in South Asia: a systematic review and meta-analysis
(Cambridge University Press, 2022) Arafat, S.M.Y.; Saleem, T.; Menon, V.; Ali, S.A.Z.; Baminiwatta, A.; Kar, S.K.; Akter, H.; Singh, R.
Background. Estimates of depression in suicidal behavior in South Asia would help to formulate suicide prevention strategies in the region that hasn’t been assessed yet. Objectives. We aimed to systematically assess the prevalence of depression in fatal and nonfatal attempts of suicide in eight South Asian countries. Methods. We searched Medline, Embase, and PsychINFO by specific search terms to identify articles assessing depression in fatal and non-fatal attempts of suicide in South Asian countries published between 2001 and 2020. Two separate meta-analyses were conducted for fatal and non-fatal attempts. Due to the high heterogeneity of studies (96–98%), randomeffects models were used to calculate pooled prevalence rates. Results. A total of 38 studies was identified from five south Asian countries (India [27], Pakistan [6], Sri Lanka [3], Nepal [1], and Bangladesh [1]). The majority of studies (n = 27) were published after 2010. Twenty-two studies reported non-fatal attempts, and sixteen reported suicide. The prevalence of depression among non-fatal attempts ranged from 14% to 78% where the pooled prevalence rate was 32.7% [95% CI 26–39.3%]. The prevalence of depression among suicides ranged from 8% to 79% where the pooled prevalence estimate was 37.3% [95% CI 26.9–47.6%]. Conclusions. This review revealed the pooled prevalence of depression among fatal and nonfatal suicidal attempts in South Asian countries, which seems to be lower when compared to the Western countries. However, a cautious interpretation is warranted due to the heterogeneity of study methods, sample size, and measurement of depression.
Risk factors for deliberate self-harm in young people in rural Sri Lanka: a prospective cohort study of 22,000 individuals
(Sri Lanka Medical Association, 2021) Fernando, K.; Jayamanna, S.; Weerasinghe, M.; Priyadarshana, C.; Ratnayake, R.; Pearson, M.; Gunnell, D.; Dawson, A.; Hawton, K.; Konradsen, F.; Eddleston, M.; Metcalfe, C.; Knipe, D.
Background: Over 90% of youth suicide deaths occur in low- and middle-income countries. Despite this relatively little is known about risk factors in this context. Aims: Investigate risk factors for deliberate self-harm (non-fatal) in young people in rural Sri Lanka. Methods: A prospective cohort study of 22,401 individuals aged 12-18 years with complete data on sex, student status, household asset score, household access to pesticides and household problematic alcohol use. Deliberate self-harm was measured prospectively by reviewing hospital records. Poisson regression estimated incidence rate ratios (IRRs) for the association of risk factors with deliberate self-harm. Results: Females were at higher risk of deliberate self-harm compared to males (IRR 2.05; 95%CI 1.75 – 2.40). Lower asset scores (low compared to high: IRR 1.46, 95%CI 1.12 - 2.00) and having left education (IRR 1.61 95%CI 1.31 – 1.98) were associated with higher risks of deliberate self-harm, with evidence that the effect of not being in school was more pronounced in males (IRR 1.94; 95%CI 1.40 – 2.70) than females. There was no evidence of an association between household pesticide access and deliberate self-harm risk, but problematic household alcohol use was associated with increased risk (IRR 1.23; 95%CI 1.04 – 1.45), with evidence that this was more pronounced in females than males (IRR for females 1.42; 95%CI 1.17 – 1.72). There was no evidence of deliberate self-harm risk being higher at times of school exam stress. Conclusion: Indicators of lower socioeconomic status, not being in school, and problematic alcohol use in households, were associated with increased deliberate self-harm risk in young people.

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