Suicide epidemiology in the province of Málaga (Spain) [2024]: a retrospective analysis using machine learning techniques

e202511078

Authors

Keywords:

Epidemiology, Forensic medicine, Mental health, Prevention, Risk factors, Suicide

Abstract

BACKGROUND // Suicide constitutes a Public Health challenge whose demographic and geographical heterogeneity demands targeted interventions. The paucity of subnational studies integrating advanced data analytics restricts the precise identification of risk patterns. We therefore aimed to characterise the sociodemographic, temporal, and forensic profiles of suicides in Málaga during 2024, through integration of data from the Institute of Legal Medicine and Forensic Sciences (IMLCF).

METHODS // A retrospective observational study of all suicide cases (N=197) registered by the IMLCF in 2024 was carried out. Sociodemographic, temporal, geographical, and circumstantial variables were analysed using multivariate statistical techniques and machine learning algorithms (hierarchical clustering and k-means) to identify risk patterns and distinctive profiles.

RESULTS // There was male predominance (80.2%; male-female ratio=4:1) with a mean age of 54.51 years (SD=17.00). The most frequent methods were hanging (40.61%), jumping from height (26.90%) and substance ingestion (16.24%), with statistically significant sex differences (p<0.001). Geographical distribution showed higher rates in inland municipalities (mean 53.79/100,000 inhabitants) compared with coastal areas (mean 11.56/100,000). Cluster analysis revealed four profiles: middle-aged adults in inland areas, young adults in coastal regions, jumping-related deaths in coastal areas, and older adults in coastal regions.

CONCLUSIONS // This study represents the first detailed epidemiological mapping of suicide in Málaga, highlightingcontextual vulnerabilities and specific risk patterns, and supports stratified interventions in accordance with the WHO Mental Health Action Plan 2013-2030.

Downloads

Download data is not yet available.

References

1. World Health Organization. Suicide worldwide in 2019: Global health estimates. https://www.who.int/publications/i/item/9789240026643. 2021 [consultada 3 mar 2025].

2. Organización Panamericana de la Salud. Vivir la vida: Guía de aplicación para la prevención del suicidio en los países. OPS 2021. https://doi.org/10.37774/9789275324240

3. Ministerio de Sanidad. Defunciones por suicidio en España, 2022-2024: Nota técnica. https://www.sanidad.gob.es/estadEstudios/estadisticas/estadisticas/estMinisterio/mortalidad/docs/DefunSuicidio2022-2024_NOTA__TEC.pdf. 2024 [consultada 3 mar 2025].

4. Confederación Salud Mental España. Las muertes por suicidio disminuyeron un 2,6% en 2023, respecto al año 2022. https://consaludmental.org/sala-prensa/muertes-suicidio-disminuyeron-2023/. 2024 [consultada 3 mar 2025].

5. Fundación Española para la Prevención del Suicidio. Observatorio del suicidio en España 2023. https://www.fsme.es/observatorio-del-suicidio-2023/. 2024 [consultada 3 mar 2025].

6. De la Torre Luque A, Marco M, Pérez Díez I, Weiss R. Análisis espacial de la mortalidad por suicidio en España en 2022. https://www.plataformanacionalsuicidio.es/noticias/anlisis-espacial-de-la-mortalidad-por-suicidio-en-espaa-en-2022-datos-preliminares-de-la-influencia-de-factores-socioeconmicos. 2024 [consultada 3 mar 2025].

7. Moreno-Küstner B, González Sánchez F. Subregistro de los suicidios en el Boletín Estadístico de Defunción Judicial en Málaga. Gac Sanit 2020;34:624-626. https://doi.org/10.1016/j.gaceta.2019.09.003

8. Gabilondo A. Prevención del suicidio, revisión del modelo OMS y reflexión sobre su desarrollo en España. Informe SESPAS 2020. Gac Sanit. 2020;34(S1):27-33. https://doi.org/10.1016/j.gaceta.2020.05.010

9. Diputación de Málaga. Mapa de municipios de la provincia de Málaga. https://www.malaga.es/es/laprovincia/mapa/tpl-3/municipios/. 2024 [consultada 3 mar 2025].

10. Diputación de Málaga. Mapa de comarcas de la provincia de Málaga. https://www.malaga.es/es/laprovincia/mapa/?tpl=2. 2024 [consultada 3 mar 2025].

11. Vera-Varela C, Barbería E, Giner L, Xifró A, Suelves JM, Guija J. Aportaciones de la medicina forense en la mejora del conocimiento del suicidio. Rev Esp Med Legal 2019;45:67-72. https://doi.org/10.1016/j.reml.2019.03.001

12. Ministerio de Sanidad. Estrategia de Salud mental. https://www.sanidad.gob.es/areas/calidadAsistencial/estrategias/saludMental/home.htm. 2024 [consultada 3 mar 2025].

13. Ministerio de Sanidad. Plan de acción para la prevención del suicidio 2025-2027. Comisionado de Salud Mental, Ministerio de Sanidad, Gobierno de España; 2025. https://vsf-iwsold-pro-01.mscbs.gob.es/areas/calidadAsistencial/estrategias/saludMental/docs/Plan_de_accion_para_la_prevencion_del_suicidio_2025_2027.pdf [consultada 3 mar 2025].

14. Consejería de Salud y Consumo. Programa de prevención de la conducta suicida en Andalucía. https://www.sspa.juntadeandalucia.es/servicioandaluzdesalud/sites/default/files/sincfiles/wsas-media-mediafile_sasdocumento/2023/programa_prevencion_conductas_suicidas_andalucia_2023_2026_def.pdf. 2023 [consultada 3 mar 2025].

15. Instituto de Estadística y Cartografía de Andalucía. Sistema de Indicadores de Desarrollo Sostenible de Andalucía para la Agenda 2030: 3. Salud y bienestar. https://www.juntadeandalucia.es/institutodeestadisticaycartografia/ods/listado-indicadores-3.htm. 2024 [consultada 3 mar 2025].

16. Eckhardt CM, Madjarova SJ, Williams RJ et al. Unsupervised machine learning methods and emerging applications in healthcare. Knee Surg Sports Traumatol Arthrosc 2023;31:376-381. https://doi.org/10.1007/s00167-022-07233-7

17. Romero-Olóriz C. Mortalidad por conducta suicida en los municipios de la provincia de Málaga durante 2024. Datawrapper. https://datawrapper.dwcdn.net/CgbV6/4/. 2024 [consultada 3 mar 2025].

18. Ilic M, Ilic I. Worldwide suicide mortality trends (2000-2019): A joinpoint regression analysis. World J Psychiatry 2022;12:1044-1060. https://doi.org/10.5498/wjp.v12.i8.1044

19. Office for National Statistics. Suicides in England and Wales: 2023 registrations. https://www.ons.gov.uk/peoplepopulationandcommunity/birthsdeathsandmarriages/deaths/bulletins/suicidesintheunitedkingdom/2023. 2024 [consultada 3 mar 2025].

20. Eurostat. Deaths by suicide in the EU down by 13% in a decade. https://ec.europa.eu/eurostat/de/web/products-eurostat-news/w/edn-20240909-1. 2024 [consultada 3 mar 2025].

21. Plataforma Nacional para el Estudio y la Prevención del Suicidio. El suicidio en España. https://www.plataformanacionalsuicidio.es/mapa. 2024 [consultada 3 mar 2025].

22. Qu D, Zhu A, Chen R. Addressing the gender paradox: Effective suicide prevention strategies for women. Cell Rep Med 2024;5:101613. https://doi.org/10.1016/j.xcrm.2024.101613

23. Freichel R, O’Shea BA. Suicidality and mood: the impact of trends, seasons, day of the week, and time of day on explicit and implicit cognitions among an online community sample. Transl Psychiatry 2023;13:157. https://doi.org/10.1038/s41398-023-02434-1

24. Marco M, López-Quílez A, Sánchez-Sáez F, Escobar-Hernández P, Montagud-Andrés M, Lila M et al. The spatio-temporal distribution of suicide-related emergency calls in a European city: age and gender patterns, and neighborhood influences. Psychosoc Interv 2024;33:103-115. https://doi.org/10.5093/pi2024a8

25. Berardelli I, Rogante E, Sarubbi S et al. Is Lethality Different between Males and Females? Clinical and Gender Differences in Inpatient Suicide Attempters. Int J Environ Res Public Health 2022;19:13309. https://doi.org/10.3390/ijerph192013309

26. Suso-Ribera C, Mora-Marín R, Hernández-Gaspar C, Pardo-Guerra L, Pardo-Guerra M, Belda-Martínez A et al. El suicidio en Castellón entre 2009 y 2015: ¿ayudan los factores sociodemográficos y psiquiátricos a entender las diferencias entre los ámbitos urbano y rural? Rev Psiquiatr Salud Ment 2018;11:4-11. https://doi.org/10.1016/j.rpsm.2017.06.005

27. Suicide Prevention Resource Center. Rural Areas. https://sprc.org/settings/rural-areas/. 2024 [consultada 3 mar 2025]

28. Qin P. Suicide risk in relation to level of urbanicity--a population-based linkage study. Int J Epidemiol 2005;34:846-852. https://doi.org/10.1093/ije/dyi085

29. Satherley RM, Hazell CM, Jones CJ, Hanna P. A Systematic Review of the Effects of Urban Living on Suicidality and Self-Harm in the UK and Ireland. J Urban Health 2022;99:385-408. https://doi.org/10.1007/s11524-022-00611-z

30. Vitiello B, Vichi M, Davico C, Ghirini S, Pompili M. Population Density and Suicide Risk. En: Pompili M, editor. Suicide Risk Assessment and Prevention. New York: Springer; 2023. p. 703-716. https://doi.org/10.1007/978-3-030-41319-4_96-1

31. Vichi M, Vitiello B, Ghirini S, Pompili M. Does population density moderate suicide risk? An Italian population study over the last 30 years. Eur Psychiatry 2020;63:e70. https://doi.org/10.1192/j.eurpsy.2020.69

32. Edwards A, Hung R, Levin JB, Forthun L, Sajatovic M, McVoy M. Health Disparities among Rural Individuals with Mental Health Conditions: A Systematic Literature Review. Rural Ment Health 2023;47:163-178. https://doi.org/10.1037/rmh0000228

33. Kirmayer LJ. Suicide in cultural context: An ecosocial approach. Transcult Psychiatry 2022;59:3-12. https://doi.org/10.1177/13634615221076424

34. Stack S. Contributing factors to suicide: Political, social, cultural and economic. Prev Med 2021;152:106498. https://doi.org/10.1016/j.ypmed.2021.106498

35. Gallagher K, Phillips G, Corcoran P, Platt S, McClelland H, O’Driscoll M et al. The social determinants of suicide: an umbrella review. Epidemiol Rev. 2025;47(1):mxaf004. https://doi.org/10.1093/epirev/mxaf004

36. Na PJ, Shin J, Kwak HR, Lee J, Jester DJ, Bandara P et al. Social Determinants of Health and Suicide-Related Outcomes: A Review of Meta-Analyses. JAMA Psychiatry2025;82(4):337-346. https://doi.org/10.1001/jamapsychiatry.2024.4241

Published

2025-11-21

How to Cite

1.
Romero-Olóriz C, López Hidalgo E, Villalba Soria MV, Guerrero Díaz M. Suicide epidemiology in the province of Málaga (Spain) [2024]: a retrospective analysis using machine learning techniques: e202511078. Rev Esp Salud Pública [Internet]. 2025 Nov. 21 [cited 2026 Apr. 1];99(1):22 páginas. Available from: https://ojs.sanidad.gob.es/index.php/resp/article/view/1339