Medicine
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This repository contains the published and unpublished research of the Faculty of Medicine by the staff members of the faculty
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Item Nature, prevalence and determinants of mental health problems experienced by adolescents in south Asia: a systematic review(Elsevier Ltd, 2025-01) Mudunna, C.; Weerasinghe, M.; Tran, T.; Antoniades, J.; Romero, L.; Chandradasa, M.; Fisher, J.BACKGROUND Adolescence is a sensitive phase of human development where individuals, aged 10-19 years, are particularly vulnerable to developing mental health problems (MHPs). South Asia, home to 24% of the world's population, is mostly comprised of low- and middle-income countries (LMIC). Most of the world's young people live in LMICs. This systematic review aims to assess the available evidence on the nature, prevalence and determinants of MHPs experienced by adolescents in south Asia. METHODS Following PRISMA guidelines, searches were conducted in four online databases (Ovid Medline, Ovid EMBASE, Ovid Global Health, Ovid PsycInfo), titles, abstracts, and full-texts were screened, data extracted and quality assessed. Extracted data were categorised into school-based studies (SBS) and non-school-based studies (NSBS). Data were further stratified according to country, MHPs and narratively synthesised. FINDINGS Of the 5847 records identified in the searches, 117 met inclusion criteria. Most (n = 87) were SBS. Key MHPs reported across countries include anxiety disorders and depression. Wide ranges of prevalence rates were reported for anxiety in Indian SBS (1.5-81.6%) and NSBS (1.8-88.1%), and for depression, Pakistani SBS (21-79%) and Indian NSBS (0.4-98.5%). Determinants include individual characteristics; violent victimisation; poor family/home/school environment/peer relationships; already experiencing MHPs and substance use/abuse. Increased physical activity, adequate nutrition, safe/positive homes/family environment, being unmarried females, higher maternal education, peer support/friendship, higher education level and engaging in extra-curricular activities were protective of mental well-being. INTERPRETATION Prevalence of MHPs among south Asian adolescents appears high. Determinants include social, cultural, environmental and socioeconomic factors often beyond individual control. Mental health policies and programs and research appropriate to the cultural context, that address social determinants of MHPs and evidence gaps, are needed to tackle the significant mental health burden among south Asian adolescents. FUNDING Authors CM and MW are supported by a Monash University Research Training Program Scholarship. JF is supported by the Finkel Professorial Fellowship funded by the Finkel Family Foundation.Item 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.