J T Owusu1, S B Doty2, D Adjaye-Gbewonyo3, J K Bass4, H C Wilcox5, J J Gallo6, A P Spira6. 1. Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA. Electronic address: jowusu1@jhu.edu. 2. Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA. 3. Independent Researcher, College Park, MD, USA. 4. Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA; Center for Humanitarian Health, Johns Hopkins University, Baltimore, MD, USA. 5. Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA; Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA. 6. Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA; Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA; Center on Aging and Health, Johns Hopkins University, Baltimore, MD, USA.
Abstract
OBJECTIVES: Investigate the association of sleep characteristics with suicidal ideation and suicide attempt among middle-aged and older adults with depressive symptoms in five low- and middle-income countries (LMICs). DESIGN: Cross-sectional. SETTING: China, Ghana, India, Russia, and South Africa. PARTICIPANTS: Adults aged ≥50 years with depressive symptoms from the World Health Organization (WHO) Study on Global AGEing and Adult Health (n=2,040). MEASUREMENTS: Predictors were self-reported average sleep duration for the past 2 nights (<7 hours (shorter), 7 to <9 hours (reference), ≥9 hours (longer)), sleep quality for the past 2 nights (moderate/good/very good [both nights], poor/very poor [≥1 night]), past-month insomnia symptoms (none/mild, moderate, severe/extreme), and past-day daytime sleepiness. Outcomes were past-year suicidal ideation and suicide attempt. Analyses were adjusted for age, sex, household wealth, marital status, self-rated health, cognitive performance, number of depressive symptoms, and country of residence. RESULTS: Participants with poor/very poor sleep quality ≥1 night had greater odds of suicidal ideation (vs. moderate/good/very good sleep quality both nights). Participants with moderate and severe/extreme insomnia symptoms had greater odds of suicidal ideation and suicide attempt (vs. none/mild insomnia symptoms). In moderation analyses, greater insomnia symptoms were associated with higher odds of suicidal ideation among women only and those aged 60-60 years and ≥80 years only. CONCLUSIONS: Among middle-aged and older adults with depressive symptoms in LMICs, sleep characteristics are markers of-and potential contributors to-suicidal ideation and suicide attempt, and there was evidence of moderation by age and sex. Interventions aimed at preventing suicide-related outcomes in these populations should consider the role of sleep.
OBJECTIVES: Investigate the association of sleep characteristics with suicidal ideation and suicide attempt among middle-aged and older adults with depressive symptoms in five low- and middle-income countries (LMICs). DESIGN: Cross-sectional. SETTING: China, Ghana, India, Russia, and South Africa. PARTICIPANTS: Adults aged ≥50 years with depressive symptoms from the World Health Organization (WHO) Study on Global AGEing and Adult Health (n=2,040). MEASUREMENTS: Predictors were self-reported average sleep duration for the past 2 nights (<7 hours (shorter), 7 to <9 hours (reference), ≥9 hours (longer)), sleep quality for the past 2 nights (moderate/good/very good [both nights], poor/very poor [≥1 night]), past-month insomnia symptoms (none/mild, moderate, severe/extreme), and past-day daytime sleepiness. Outcomes were past-year suicidal ideation and suicide attempt. Analyses were adjusted for age, sex, household wealth, marital status, self-rated health, cognitive performance, number of depressive symptoms, and country of residence. RESULTS:Participants with poor/very poor sleep quality ≥1 night had greater odds of suicidal ideation (vs. moderate/good/very good sleep quality both nights). Participants with moderate and severe/extreme insomnia symptoms had greater odds of suicidal ideation and suicide attempt (vs. none/mild insomnia symptoms). In moderation analyses, greater insomnia symptoms were associated with higher odds of suicidal ideation among women only and those aged 60-60 years and ≥80 years only. CONCLUSIONS: Among middle-aged and older adults with depressive symptoms in LMICs, sleep characteristics are markers of-and potential contributors to-suicidal ideation and suicide attempt, and there was evidence of moderation by age and sex. Interventions aimed at preventing suicide-related outcomes in these populations should consider the role of sleep.
Authors: Sylvie Lapierre; Annette Erlangsen; Margda Waern; Diego De Leo; Hirofumi Oyama; Paolo Scocco; Joseph Gallo; Katalin Szanto; Yeates Conwell; Brian Draper; Paul Quinnett Journal: Crisis Date: 2011
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