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Kato C, Komatsuzaki A, Ono S, Iguchi A, Arashi K, Motoi S, Susuga M. Subjective Symptoms Linked to Sleep Duration: An Analysis from Japanese National Statistics. MEDICINES (BASEL, SWITZERLAND) 2023; 10:60. [PMID: 37999200 PMCID: PMC10673123 DOI: 10.3390/medicines10110060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 10/17/2023] [Accepted: 11/08/2023] [Indexed: 11/25/2023]
Abstract
BACKGROUND There is a high prevalence of sleep disorders in Japan, and they are a factor in a decreased quality of life. The main objective of this study was to clarify the background factors of sleep disorders that affect sleep duration, such as subjective symptoms and working hours. METHODS We performed a cross-sectional study on the Japanese national statistics data. Answers from a household questionnaire were used to analyze risk factors for decreases in sleep duration. The subjects were a total of 3972 men and women aged 40-59 years, the age group that forms the core of the working population. For the analysis, a univariate analysis (contingency table) between sleep duration (two groups: sleep duration ≥ 6 h and <6 h) and 42 subjective symptoms was carried out. A multivariate analysis (binomial logistic regression) was conducted using sleep duration and subjective health assessment as objective variables, and odds ratios (ORs) adjusted for sex, working hours, and other factors were obtained. RESULTS The univariate analysis by subjective symptom showed significant ORs for eight symptoms, including poor sleep quality (OR: 2.24), constipation (OR: 2.24), and dizziness (OR: 1.77). In the multivariate analysis, the model with sleep duration as the objective variable showed significantly adjusted ORs for four variables, including constipation (1.72) and poor sleep quality (1.66). The model with subjective health assessment as the objective variable showed significantly adjusted ORs for eight variables, including dizziness (4.18), while poor sleep quality (1.45) was not significant. CONCLUSIONS The present results suggest the presence of subjective symptoms that may be inferred to be related to decreases in sleep duration.
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Affiliation(s)
- Chikage Kato
- Department of Dental Hygiene, College at Niigata, The Nippon Dental University, 1-8 Hamaura cho, Chuo-ku, Niigata 951-8580, Japan; (C.K.); (K.A.); (S.M.); (M.S.)
| | - Akira Komatsuzaki
- Department of Dental Hygiene, College at Niigata, The Nippon Dental University, 1-8 Hamaura cho, Chuo-ku, Niigata 951-8580, Japan; (C.K.); (K.A.); (S.M.); (M.S.)
- Department of Preventive and Community Dentistry, School of Life Dentistry at Niigata, The Nippon Dental University, 1-8 Hamaura cho, Chuo-ku, Niigata 951-8580, Japan;
| | - Sachie Ono
- Department of Preventive and Community Dentistry, School of Life Dentistry at Niigata, The Nippon Dental University, 1-8 Hamaura cho, Chuo-ku, Niigata 951-8580, Japan;
| | - Asami Iguchi
- Department of Dental Anesthesiology, School of Life Dentistry at Niigata, The Nippon Dental University, 1-8 Hamaura cho, Chuo-ku, Niigata 951-8580, Japan;
| | - Kiyoka Arashi
- Department of Dental Hygiene, College at Niigata, The Nippon Dental University, 1-8 Hamaura cho, Chuo-ku, Niigata 951-8580, Japan; (C.K.); (K.A.); (S.M.); (M.S.)
| | - Shiho Motoi
- Department of Dental Hygiene, College at Niigata, The Nippon Dental University, 1-8 Hamaura cho, Chuo-ku, Niigata 951-8580, Japan; (C.K.); (K.A.); (S.M.); (M.S.)
| | - Mio Susuga
- Department of Dental Hygiene, College at Niigata, The Nippon Dental University, 1-8 Hamaura cho, Chuo-ku, Niigata 951-8580, Japan; (C.K.); (K.A.); (S.M.); (M.S.)
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Yokoi Y, Komatsuzaki A. How Sleep Quality Relates to Bodily and Oral Symptoms: An Analysis from Japanese National Statistics. Healthcare (Basel) 2022; 10:healthcare10112298. [PMID: 36421622 PMCID: PMC9690173 DOI: 10.3390/healthcare10112298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/12/2022] [Accepted: 11/15/2022] [Indexed: 11/18/2022] Open
Abstract
Background: Sleep is one of the most important health-related factors. This cross-sectional study focused on sleep quality relates to systemic symptoms, including dental symptoms. Methods: Resource data were compiled from 7995 men and women aged 30 to 69 years, which is the core of the Japanese working population. The subjects were divided into four groups based on their answers to two questions, one on sleep time and one on sleep sufficiency, and groups were compared with other items in the questionnaire by means of a contingency table analysis (χ2 test). Results: Relationships were found between the sleep groups and basic attributes, the presence of subjective symptoms, and the presence of hospital visits. The items with significant relationships included 14 symptoms, such as lower back pain (p < 0.01) and four diseases, including high blood pressure (p < 0.01). A multinomial logistic regression was conducted with the sleep groups as objective variables. In the poor sleep group, significant odds ratios were found for four items, including hours of work (odds ratio: 2.53) and feeling listless (2.01). Conclusions: The results allowed multiple symptoms and diseases related to sleep quality to be identified, and different trends in the response rates of the groups were found. These results suggest that the useful classification of sleep quality groups according to health problems contributes to understanding the effects of different symptoms.
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Affiliation(s)
- Yasuno Yokoi
- Oral Environment and Community Dental Health, The Nippon Dental University Graduate School of Life Dentistry at Niigata, Niigata 951-8151, Japan
| | - Akira Komatsuzaki
- Department of Preventive and Community Dentistry, School of Life Dentistry at Niigata, The Nippon Dental University, Niigata 951-8151, Japan
- Department of Dental Hygiene, College at Niigata, The Nippon Dental University, Niigata 951-8580, Japan
- Correspondence: ; Tel.: +81-0252-671-500
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Ono S, Komatsuzaki A, Iguchi A, Kikuchi H, Motoi S, Susuga M. Generic Drug Usage in Dentistry across Japan: Analysis Using a Japanese National Database. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182111329. [PMID: 34769847 PMCID: PMC8582704 DOI: 10.3390/ijerph182111329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/22/2021] [Accepted: 10/26/2021] [Indexed: 11/16/2022]
Abstract
The aim of this study was to identify regional disparities in generic drug usage and to examine related factors. The database used for the analysis was the 2018 national health insurance claims data published on the Japanese Ministry of Health, Labour, and Welfare. The drugs that were targeted were a combination of brand-name and generic tetracycline ointments for periodontal treatment and lidocaine injection solution used for dental anesthesia. The usage of generic drugs was calculated and compared by prefecture based on the number of health insurance claims. The comparison of related factors was conducted using data from other national statistical survey. The results showed that the mean generic drug usage of tetracycline for periodontal treatment in all prefectures was 71.2 ± 8.1%, ranging from 45.8% to 85.3%. The mean generic lidocaine used for dental anesthesia was 47.6 ± 10.0%, ranging from 30.5% to 66.2%. The rank correlation coefficient between the two was 0.359 (p < 0.05), and the tendency of using both generic drugs was low in major metropolitan areas. Generic drug usage in Japan is low; thus, in order to reduce healthcare costs, generic drugs need to be actively used in dentistry.
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Affiliation(s)
- Sachie Ono
- Department of Preventive and Community Dentistry, School of Life Dentistry at Niigata, The Nippon Dental University, 1-8 Hamaura-cho, Chuo-ku, Niigata 951-8580, Japan;
| | - Akira Komatsuzaki
- Department of Preventive and Community Dentistry, School of Life Dentistry at Niigata, The Nippon Dental University, 1-8 Hamaura-cho, Chuo-ku, Niigata 951-8580, Japan;
- Department of Dental Hygiene, College at Niigata, The Nippon Dental University, 1-8 Hamaura cho, Chuo-ku, Niigata 951-8580, Japan; (H.K.); (S.M.); (M.S.)
- Correspondence: ; Tel.: +81-25-267-1500
| | - Asami Iguchi
- Department of Dental Anesthesiology, School of Life Dentistry at Niigata, The Nippon Dental University, Chuo-ku, Niigata 951-8580, Japan;
| | - Hitomi Kikuchi
- Department of Dental Hygiene, College at Niigata, The Nippon Dental University, 1-8 Hamaura cho, Chuo-ku, Niigata 951-8580, Japan; (H.K.); (S.M.); (M.S.)
| | - Shiho Motoi
- Department of Dental Hygiene, College at Niigata, The Nippon Dental University, 1-8 Hamaura cho, Chuo-ku, Niigata 951-8580, Japan; (H.K.); (S.M.); (M.S.)
| | - Mio Susuga
- Department of Dental Hygiene, College at Niigata, The Nippon Dental University, 1-8 Hamaura cho, Chuo-ku, Niigata 951-8580, Japan; (H.K.); (S.M.); (M.S.)
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Factors Affecting Dietary Improvements in Elderly Residents of Long-Term Care Institutions Receiving Domiciliary Dental Care. MEDICINES 2021; 8:medicines8110062. [PMID: 34822359 PMCID: PMC8622908 DOI: 10.3390/medicines8110062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/15/2021] [Accepted: 10/19/2021] [Indexed: 11/21/2022]
Abstract
Background: Oral disabilities occur due to tooth loss. This study aimed to investigate oral and systemic factors related to diet in elderly residents receiving domiciliary dental care. Methods: The subjects were 74 consenting residents. Survey items included whether subjects could eat independently and diet type. Subjects were examined by the dentist for the number of teeth, occlusal support index, and wearing dentures. Contingency table analysis was performed to determine what levels of decline in general and oral functions led to difficulties eating a normal diet. Results: There was a significant difference in the mean number of activities of daily living (ADL) requiring assistance evident between subjects eating a normal diet and those eating fluid boiled rice (p < 0.01). A comparison of occlusal support and diet type showed that most subjects who ate a soft diet or gruel had no occlusal support. Almost all subjects who ate a normal diet wore dentures. However, only 38% of subjects eating a soft diet and 40% of those eating gruel did wear dentures; both group differences were significant (p < 0.01). Conclusions: Future studies need to further investigate oral factors related to the type of diet and their relationships to domiciliary dental care in older adults.
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