The Role of Family Variables in the Length of Stay of Psychiatric In-patients

Satoko Yoneyama1, 2, 3, *, Yudo Makita1, Keiko Miyazu1, Kazuhiko Katsukawa1, Eiichi Yoneyama1, Shinji Masuda1, Yukiko Nakajima1, Yasuhiro Kawasaki2, Kenji Miyazu1
1 Korenkai Minami-Toyama Nakagawa Hospital, Toyama, Japan
2 Department of Neuropsychiatry, Kanazawa Medical University, Ishikawa, Japan
3 Department of Human Health Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan

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© Yoneyama et al.; Licensee Bentham Open

open-access license: This is an open access articles licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (, which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided that the work is properly cited.

* Address correspondence to this author at the Korenkai Minami-Toyama Nakagawa Hospital 146 O-machi, Toyama, Japan; Tel: +81-76-425-1780; Fax: +81-76-425-1730; Department of Neuropsychiatry, Kanazawa Medical University 1-1 Daigaku, Uchinada, Ishikawa, Japan; Tel: +81-76-286-2211; Fax: +81-76-286-3341; Department of Human Health Sciences, Kyoto University Graduate School of Medicine 53 Shogoin kawahara-cho, Sakyo-ku, Kyoto, Japan; Tel/Fax: +81-75-751-3969; E-mail:



In Japan, the number of beds and average length of stay in a psychiatric ward are greater than in other developed countries.


The present study aimed to investigate the association between family variables and the length of stay of patients with mental and behavioural disorders in a private psychiatric hospital in Japan.


The medical records of patients discharged during a one-year period (n=56: men 50.0% excepting 27 patients discharged due to death were re-examined regarding age, laundry type (self-washing of clothes, family washing or supplier washing), number of family visits per one month while hospitalised, and family structure prior to hospitalisation. A length of stay greater than six months was considered the cut-off point for a long hospital stay. Bivariate logistic regression analyses were conducted to identify factors independently associated with the length of stay, adjusted for sex, age, and mental and/or behavioural disorders according to the criteria of the International Statistical Classification of Diseases and Related Health Problems.


The bivariate-adjusted odds ratio (95% confidence intervals) for in-patients hospitalised for more than six months was 0.08 (0.01, 0.48) for those who used family washing (p = 0.006) compared with those who used supplier washing. The number of visits per month and family structures before hospitalisation were not significantly associated.


These results suggest that within a private psychiatric hospital in Japan, family washing is associated with shortened stays and frequency of family visits, while family structure is not associated with these factors.

Keywords: Discharge, Epidemiology, Family, Japan, Length of stay, Private psychiatric hospital, Social hospitalisation.