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Published in: Sleep and Breathing 1/2022

01-03-2022 | Care | Sleep Breathing Physiology and Disorders • Original Article

Impaired psychomotor vigilance associated with sleep-disordered breathing in women working in the care of older adults in Japan

Authors: Narihisa Miyachi, Ai Ikeda, Ronald Filomeno, Hiroo Wada, Koutatsu Maruyama, Yuka Suzuki, Yohei Suzuki, Satomi Ikeda, Yumi Hashimoto, Yasunari Koyama, Takeshi Tanigawa

Published in: Sleep and Breathing | Issue 1/2022

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Abstract

Purpose

With a rapidly aging society, there is increasing interest in the health of female workers in the field of care services for older adults due to increasing demands to maintain 24-h care and to support older adults without errors or accidents. Therefore, the purpose of this cross-sectional study was to examine the association between sleep-disordered breathing (SDB) and sustained attention in women caring for older adults in Japan.

Methods

The study was conducted in women aged 18–67 years old working in care service facilities for older adults in Japan. The sustained attention of participants was measured by the 10-min psychomotor vigilance task (PVT). SDB was assessed based on the respiratory disturbance index (RDI), which was measured using an ambulatory airflow monitor with a polyvinylidene fluoride (PVDF) film sensor to monitor the respiratory airflow of nasal and oral breathing. The participants wore the monitor to record the breathing status while asleep at home. The severity of SDB was categorized as follows: normal, RDI < 5 events/h; mild SDB, RDI 5–10 events/h; and moderate-to-severe SDB, RDI ≥ 10 events/h.

Results

Of 688 women enrolled, medians of age, body mass index (BMI), sleep duration, and prevalence of hypertension tended to be higher with increasing RDI. No significant association was found between RDI and PVT parameters. However, when we limited the analysis to women with BMI ≥ 22 kg/m2, those with moderate-to-severe SDB had significantly higher odds of having the slowest 10% reaction times compared to those without SDB (OR = 2.03; 95% CI = 1.17–3.53). The association did not decrease after adjusting to account for sleep duration, alcohol drinking habits, and history of hypertension (OR = 1.97; 95% CI = 1.10–3.52). A significant increasing trend was also found between RDI and the slowest 10% of reaction times (p for trend = 0.03).

Conclusions

Our findings suggest that SDB is associated with reduced sustained attention in participants with BMI ≥ 22 kg/m2, although the number of assessments of SDB and PVT was only once per participant due to the nature of the cross-sectional study.
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Metadata
Title
Impaired psychomotor vigilance associated with sleep-disordered breathing in women working in the care of older adults in Japan
Authors
Narihisa Miyachi
Ai Ikeda
Ronald Filomeno
Hiroo Wada
Koutatsu Maruyama
Yuka Suzuki
Yohei Suzuki
Satomi Ikeda
Yumi Hashimoto
Yasunari Koyama
Takeshi Tanigawa
Publication date
01-03-2022
Publisher
Springer International Publishing
Keyword
Care
Published in
Sleep and Breathing / Issue 1/2022
Print ISSN: 1520-9512
Electronic ISSN: 1522-1709
DOI
https://doi.org/10.1007/s11325-021-02389-x

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