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Abstract
Background Despite robust reports in the literature concerning the effect of exposure to combat on mental health, there is a paucity of studies in the Nigerian Air Force (NAF) using a longitudinal design. This study was designed to determine the incidence of mental disorders among a cohort of NAF personnel exposed to combat and highlight its association with psychosocio-religious variables.
Methods It was a follow-up study using a total population sampling in which all the 290 deployed personnel participated. Data was collected at two intervals: Baseline and 6 months after with sociodemographic questionnaire, Brief Coping Orientation to Problems Experienced Inventory, the Brief Religious Coping, the Oslo Social Support Scale and the Big Five Inventory, General Health Questionnaire (GHQ-12) and the Mini-International Neuropsychiatric Interview (MINI-Plus). A two-staged process involving screening with the GHQ and a further diagnostic interview using MINI-Plus for participants with a GHQ score of 2 and above.
Results The incidence of any mental disorder was 243.1 per 1000 person-years. The top three priority conditions were: Substance use disorder (94.1 per 1000 person-years), major depressive disorder (43.8 per 1000 person-years) and post-traumatic stress disorder (PTSD) (41.6 per 1000 person-years). Being deployed in early adulthood was a risk factor for developing a mental illness (adjusted OR (AOR), (95% CI): 2.89, (1.28, 6.50), p=0.01) while longer duration in the military service was a protective factor (AOR, (95% CI): 0.95, (0.91, 0.99), p=0.03). Social support, personality traits, religious coping and other coping strategies did not significantly predict mental disorders in this population (p>0.05).
Conclusion The incidence of any mental disorder among NAF personnel exposed to combat was huge. The three top priority conditions were substance use disorder, major depressive disorder and PTSD. These findings are useful in identifying priority conditions for interventions in the NAF population.
- MENTAL HEALTH
- Adult psychiatry
- Depression & mood disorders
- Substance misuse
Data availability statement
Data are available upon reasonable request. All data relevant to the study are included in the article or uploaded as supplementary information.
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Data availability statement
Data are available upon reasonable request. All data relevant to the study are included in the article or uploaded as supplementary information.
Footnotes
Contributors MNA, ACN and JUO were all involved in the conceptualisation of the study. Data collection was done mostly by MNA. However, data analysis and interpretation was done by JUO. ACN was the overall supervisor. MNA and JUO drafted the initial manuscript; all authors read and approved the final draft of the manuscript. JUO accepts full responsibility for the finished work and the conduct of the study, had access to the data and controlled the decision to publish. JUO will act as the guarantor for this manuscript.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.