The validity and reliability of the Japanese version of RU-SATED

Furihata, Ryuji; Tateyama, Yukiko; Nakagami, Yukako; Akahoshi, Toshiki; Itani, Osamu; Kaneita, Yoshitaka; Buysse, Daniel J.

doi:10.1016/j.sleep.2022.02.014

Cited by 13 publications

(7 citation statements)

References 22 publications

(33 reference statements)

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“…For example, the Portuguese version utilized a five-point Likert scale, and the Spanish version was adapted from the original five-item SATED scale. Our observed single-factor model differed from the two-factor model obtained in the English and Japanese studies [ 9 , 19 ]. It is important to note that there are differences between the two-factor models obtained in English [Factor 1 (Sleep Quality & Quantity): Satisfaction, Efficiency, Duration; Factor 2 (Circadian Rhythm): Regularity, Alertness, Timing] and Japanese [Factor 1 (Quality & Quantity): Satisfaction, Alertness, Duration; Factor 2 (Circadian): Regularity, Efficiency, Timing].…”

Section: Discussioncontrasting

confidence: 99%

“…The aim of this study was to translate and adapt the RU_SATED scale for use in Chinese and validate the RU_SATED-C scale to provide preliminary reliability and validity when used for assessing sleep health in a Chinese population. The methodology used was similar to that used in the various languages’ validation studies of the RU_SATED scale, in Portuguese (2018), English (2019), Spanish (2020), French (2021), and Japanese (2022) [ 9 , 16 – 19 ]. Admittedly, this is the first study to assess the psychometric performance of the RU_SATED in a Chinese population.…”

Section: Discussionmentioning

confidence: 99%

“…We applied the mean and variance adjusted diagonally weighted least squares (DWLS) estimator based on the polychoric correlation matrix to examine unidimensionality, given those responses to items in the RU_SATED-C scale are ordinal [ 43 , 44 ]. In addition to the one-factor model, we examined the fit of the two-factor models that were found in the English and Japanese samples [ 9 , 19 ].…”

Section: Methodsmentioning

confidence: 99%

“…To date, the RU_SATED scale has been cross-culturally adapted and validated in at least five languages: Portuguese (2018) [ 16 ], English (2019) [ 9 ], Spanish (2020) [ 17 ], French (2021) [ 18 ], and Japanese (2022) [ 19 ]. In the current study, we developed the Chinese version of the RU_SATED (RU_SATED-C) scale and conducted a longitudinal observational design in a sample of healthcare students in China.…”

Section: Introductionmentioning

confidence: 99%

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The RU_SATED as a measure of sleep health: cross-cultural adaptation and validation in Chinese healthcare students

et al. 2023

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Background The RU_SATED scale is a multidimensional instrument measuring sleep health, consisting of Regularity, Satisfaction, Alertness, Timing, Efficiency, Duration dimensions. We adapted and validated the Chinese RU_SATED (RU_SATED-C) scale. Methods The RU_SATED-C scale was developed through a formal linguistic validation process and was validated in an observational longitudinal survey design. Healthcare students completed the RU_SATED scale, Sleep Quality Questionnaire, and Patient Health Questionnaire-4 among two sites of Hangzhou and Ningbo, China. Psychometric assessments included structural validity, longitudinal measurement invariance, convergent and divergent validity, internal consistency, and test–retest reliability. Results A total of 911 healthcare students completed the RU_SATED-C scale at baseline (Time 1, T1) and follow-up (Time 2, T2) with an average time interval of 7 days + 5.37 h. Confirmatory factor analysis (CFA) confirmed a single-factor model and resulted in an acceptable model fit. The two-factor model previously found in the Japanese version fit better than the one-factor model, whereas the one-factor model fit had a better fit than the two-factor model found in the English version. Longitudinal CFA resulted in negligible changes in fit indices for four forms of increasingly restrictive models and supported that a single-factor model was equivalent over time. The data also endorsed longitudinal measurement invariance among the two-factor models found in the English and Japanese samples. The RU_SATED-C scale total score displayed a moderately strong negative correlation with sleep quality; however, negligible associations were observed with anxiety and depression. Ordinal Cronbach’s alpha and Ordinal McDonald's omega at T1 and T2 ranged from suboptimal to acceptable. The RU_SATED-C scale and all items were significantly correlated across time intervals. Conclusion The RU_SATED-C scale is an easy-to-use instrument with potentially valid data for the measurement of multidimensional sleep health. Use of the RU_SATED-C scale can help raise awareness of sleep health and could pave the way for important efforts to promote healthy sleep.

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Section: Discussioncontrasting

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The RU_SATED as a measure of sleep health: cross-cultural adaptation and validation in Chinese healthcare students

et al. 2023

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“…Fourth, clinical data on symptoms and disease severity of treated patients were not assessed using rating scales. Future studies should use clinical symptom measurement scales, including observer-rated or self-rated scales, such as the Positive and Negative Syndrome Scale, the Beck Depression Inventory, or the RU-SATED, a self- rated sleep scale for the measurement of multidimensional sleep health [ 33 , 34 ]. Fifth, other confounding factors, such as length of hospitalization and number of patients with substance use disorders, that were not adjusted for in the present study may have influenced the results.…”

Section: Discussionmentioning

confidence: 99%

The effect of education regarding treatment guidelines for schizophrenia and major depressive disorders on psychiatrists' hypnotic medication prescribing behavior: a multicenter study

Nakamura,

Furihata,

Hasegawa

et al. 2024

BMC Psychiatry

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Background To examine whether the "Effectiveness of Guideline for Dissemination and Education in psychiatric treatment (EGIUDE)" project affects the rate of prescriptions of hypnotic medication and the type of hypnotic medications prescribed among psychiatrists, for schizophrenia and major depressive disorder in Japan. Methods The EGUIDE project is a nationwide prospective study of evidence-based clinical guidelines for schizophrenia and major depressive disorder in Japan. From 2016 to 2021, clinical and prescribing data from patients discharged from hospitals participating in the EGUIDE project were used to examine hypnotic medication prescriptions The prescribing rate of hypnotics and the prescribing rate of each type of hypnotic (benzodiazepine receptor agonist, nonbenzodiazepine receptor agonist, melatonin receptor agonist, and orexin receptor antagonist) were compared among patients who had been prescribed medication by psychiatrists participating in the EGUIDE project and patients who had been prescribed medication by nonparticipating psychiatrists. Multivariate logistic regression analysis was performed to examine the effect of the EGUIDE project on the prescription of hypnotic medications. Results A total of 12,161 patients with schizophrenia and 6,167 patients with major depressive disorder were included. Psychiatrists participating in the EGUIDE project significantly reduced the rate of prescribing hypnotic medication and benzodiazepine receptor agonists for both schizophrenia (P < 0.001) and major depressive disorder (P < 0.001) patients. Conclusion This is the first study to investigate the educational effects of guidelines for the treatment of psychiatric disorders on psychiatrists in terms of prescribing hypnotic medications to patients. The EGUIDE project may play an important role in reducing hypnotic medication prescription rates, particularly with respect to benzodiazepine receptor agonists. The results suggest that the EGUIDE project may result in improved therapeutic behavior.

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A 2‐year longitudinal study of the association between unhealthy lifestyle factors and the development of depressive symptoms in university students

Furihata,

Ishida,

Nakagami

et al. 2024

PCN Reports

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AimThe aim of this study was to investigate the association between unhealthy lifestyle factors and the development of depressive symptoms with adjustment for sociodemographic characteristics in university students using health checkup data.MethodsAmong information obtained from university student health checkups conducted in 2017 and 2019, we analyzed both the clinical data and responses to questionnaires. The subjects used for analysis were 3190 individuals (2382 men and 808 women, mean age 19.0 years) who had been free of depressive symptoms in the 2017 survey and were available for a 2‐year follow‐up. The Patient Health Questionnaire (PHQ‐2) was used as a self‐rating scale for depressive symptoms. Multivariable logistic regression analysis was conducted to investigate the association between lifestyle factors (such as body mass index, self‐rated health, whether breakfast was taken, degree of exercise, satisfaction with sleep, smoking, and alcohol drinking) in the 2017 survey and any development of depressive symptoms revealed in the 2019 survey, adjusting for sociodemographic variables and other lifestyle factors.ResultsMultivariable logistic analysis showed that poor satisfaction with sleep (odds ratio [OR), 4.09; 95% confidence interval [CI), 1.96–8.53; p < 0.01) and female gender (OR, 2.16; 95% CI, 1.01–4.60; p = 0.05) were significantly associated with the development of depressive symptoms 2 years later.ConclusionThis study has revealed an association between poor satisfaction with sleep and the development of depressive symptoms. We believe that these findings may be useful for the prevention and treatment of depressive symptoms in university students.

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The validity and reliability of the Japanese version of RU-SATED

Cited by 13 publications

References 22 publications

The RU_SATED as a measure of sleep health: cross-cultural adaptation and validation in Chinese healthcare students

The RU_SATED as a measure of sleep health: cross-cultural adaptation and validation in Chinese healthcare students

The effect of education regarding treatment guidelines for schizophrenia and major depressive disorders on psychiatrists' hypnotic medication prescribing behavior: a multicenter study

A 2‐year longitudinal study of the association between unhealthy lifestyle factors and the development of depressive symptoms in university students

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