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23-07-2016 | Uitgave 1/2017

Quality of Life Research 1/2017

Age- and gender-specific associations between insomnia and falls in Boston Puerto Rican adults

Tijdschrift:
Quality of Life Research > Uitgave 1/2017
Auteurs:
Yuan Zhang, Manuel Cifuentes, Xiang Gao, Gina Amaral, Katherine L. Tucker

Abstract

Purpose

This study evaluated the age- and gender-specific associations between insomnia and falls in community-dwelling Puerto Rican adults, independently of multiple covariates.

Methods

Cross-sectional data were collected from 954 Puerto Ricans, aged 46–79 years, in Boston, Massachusetts. In-person interviews were conducted to collect information on sociodemographics and lifestyle, mental status, medication use, comorbidities, sleep duration, insomnia symptoms, and falls and fractures. Blood and urine samples, and bone density measures were collected to assess C-reactive protein, serum interleukin-6, urinary cortisol, and bone mineral density.

Results

Multivariate robust Poisson regressions suggested that adults with insomnia had a 32 % increased likelihood of having falls (PR 1.32, p < 0.05), after adjustment for multiple covariates. Age and gender modified the effect of insomnia on risk of falls. Insomnia was significantly associated with higher risk of falls in adults of 60 years or older (PR 1.49, p < 0.05) and in women (PR 1.36, p < 0.05), but not in adults younger than 60 years or in men. Insomnia was not associated with recurrent falls or fractures.

Conclusions

Age and gender need to be taken into account when considering treatment of insomnia in preventing geriatric falls. Well-designed evidence-based interventions to treat insomnia and improve sleep quality may reduce the risk of falls in this population.

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