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Abstract
Previous studies have identified global associations between sleep quality and suicidal
ideation. However, little is known regarding the relationship between sleep quality
and suicidal ideation among Chinese older adults. We examined the relationship between
sleep quality and suicidal ideation in older adults in China. A cross-sectional study
was conducted in 3313 seniors in Shandong, China. Suicidal ideation was assessed using
the interviewees' answers to the question "Have you ever seriously considered wanting
to die?". Sleep quality was assessed using the Pittsburgh Sleep Quality Index. Logistic
regression was performed to estimate odds ratios and 95% confidence intervals adjusted
for confounders. When controlling for sex, age, living condition, economic status,
marital status, education, past occupation, relationship with children, non-communicable
diseases, and mental health, the odds of suicidal ideation increased in association
with an increase in the total score for sleep quality and its components (subjective
sleep quality, sleep duration, habitual sleep efficiency, and daytime dysfunction).
Poor sleep quality was associated with increased odds of suicidal ideation in Chinese
older adults. Sleep-based interventions should be developed to prevent suicide in
older adults in China.