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Depression and Anxiety among Older people in Central Africa: Results of the EPIDEMCA population-based study.

Abstract : Introduction: Depression and anxiety are two very common psychiatric disorders in late-life. They are markers of poor quality of life and are strongly associated with death among older people. Yet, few studies on these comorbidities have been conducted in the African population. This study aims to present the epidemiology of depression and anxiety among older people in Central Africa. Method: A cross-sectional population-based study was carried out in Republic of Congo (ROC) and Central African Republic (CAR) between 2011 - 2012 among older people aged ≥ 65 years (EPIDEMCA study). Data were collected using a standardized questionnaire and participants underwent a brief physical examination. Depression and anxiety symptoms were ascertained using a community version of the Geriatric Mental State (GMS-B3) and the Automated Geriatric Examination for Computer Assisted Taxonomy diagnostic system (AGECAT), probable cases were defined as having a GMS-AGECAT level of 3 or more. Logistic regression models were used to investigate the association between potential risk factors collected and each symptom. Results: Overall 2002 participants were included in the EPIDEMCA study (500 in Brazzaville and 529 in Gamboma in ROC, 500 in Bangui and 473 in Nola (473) in CAR). Median age of the participants was 72 years [interquartile range: 68 – 78 years] and females were mostly represented (61.8%). Prevalence was 38.1% (95% Confidence Interval: 35.9% - 40.2%) for depression, 7.7% (95% CI: 6.5% - 8.9%) for anxiety and 5.7% (95% CI: 4.6% - 6.7%) for the co-occurrence of both disorders. For all three outcomes, prevalence was significantly higher among females and in rural areas. Only depression increased with age. Preliminary analyses showed that female sex, living in a rural area, and living without a partner were associated with the three outcomes (Odds Ratios from 1.59 to 3.27; p<0.01). In-depth results regarding correlates of depression, anxiety and the co-occurrence of both will be presented. Conclusion: The prevalence of depression and anxiety was high among Central African older people. Evidence on the epidemiology of these common psychiatric symptoms are of importance for care management and also emphasize the need to maintain and/or strengthen social support around older people in the region.
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Contributeur : Elisabeth Grelier Connectez-vous pour contacter le contributeur
Soumis le : jeudi 24 septembre 2020 - 11:15:20
Dernière modification le : samedi 26 mars 2022 - 04:25:04


  • HAL Id : hal-02947912, version 1



Maëlenn Guerchet, Antoine Gbessemehlan, Caroline Adou, Jean-Pierre Clément, Bébène Ndamba-Bandzouzi, et al.. Depression and Anxiety among Older people in Central Africa: Results of the EPIDEMCA population-based study.. 2020 IPA Virtual Congress theme is “Mental health for people of Old Age in a rapidly changing world”., International Psychogeriatric Association (IPA), Oct 2020, Lisbonne, Portugal. ⟨hal-02947912⟩



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