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  1. Article ; Online: Diabetes Distress Is Associated With Future Risk of Progression of Diabetic Nephropathy in Adults With Type 2 Diabetes: A Prospective Cohort Study (Diabetes Distress and Care Registry at Tenri [DDCRT23]).

    Hayashino, Yasuaki / Okamura, Shintato / Tsujii, Satoru / Ishii, Hitoshi

    Canadian journal of diabetes

    2023  Volume 47, Issue 6, Page(s) 519–524

    Abstract: Objectives: Our aim in this study was to investigate the prospective association between diabetes distress assessed with Problem Areas in Diabetes (PAID) survey scores at baseline and the subsequent risk of development or progression of diabetic ... ...

    Abstract Objectives: Our aim in this study was to investigate the prospective association between diabetes distress assessed with Problem Areas in Diabetes (PAID) survey scores at baseline and the subsequent risk of development or progression of diabetic nephropathy in people with type 2 diabetes.
    Methods: Longitudinal data were acquired from 2,845 individuals with type 2 diabetes registered in a Japanese diabetes registry. A Cox proportional hazards model was used to adjust for possible confounders to examine the prospective association between baseline diabetes distress (PAID score ≥40) and the development or progression of albuminuria.
    Results: Mean patient age, body mass index, and glycated hemoglobin level were 64.8 years, 24.5 kg/m
    Conclusions: Diabetes distress at baseline, assessed using the PAID survey, was associated with a subsequent risk of progressing diabetic nephropathy independent of possible confounders in males, but not females, with type 2 diabetes.
    MeSH term(s) Male ; Humans ; Adult ; Middle Aged ; Diabetes Mellitus, Type 2/complications ; Diabetes Mellitus, Type 2/epidemiology ; Diabetic Nephropathies/epidemiology ; Diabetic Nephropathies/complications ; Prospective Studies ; Disease Progression ; Registries ; Albuminuria/epidemiology
    Language English
    Publishing date 2023-05-08
    Publishing country Canada
    Document type Journal Article
    ISSN 2352-3840
    ISSN (online) 2352-3840
    DOI 10.1016/j.jcjd.2023.04.018
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  2. Article: The Japanese version of Problem Areas in Diabetes Scale: a clinical and research tool to assess emotional functioning among people with diabetes.

    Hayashino, Yasuaki / Goto, Masashi / Yamamoto, Toshikazu / Tsujii, Satoru / Ishii, Hitoshi

    Diabetology international

    2023  Volume 15, Issue 1, Page(s) 117–122

    Abstract: Introduction: The purpose of this study was to develop the Japanese version of the Problem Areas in Diabetes (PAID) scale, a measure of emotional adjustment to diabetes that has been translated into Japanese by our group.: Materials and methods: A ... ...

    Abstract Introduction: The purpose of this study was to develop the Japanese version of the Problem Areas in Diabetes (PAID) scale, a measure of emotional adjustment to diabetes that has been translated into Japanese by our group.
    Materials and methods: A total of 418 Japanese people with diabetes attending our outpatient clinic participated (
    Results: Results showed that the PAID had excellent reliability (Cronbach alpha = 0.934). The PAID correlated significantly with the Diabetes Treatment Satisfaction Questionnaire (
    Conclusions: In conclusion, the Japanese version of the PAID demonstrated good internal reliability and evidence of concurrent and discriminant validity. The PAID measures the impact of diabetes, diabetes treatment and treatment outcomes on the emotions of people with diabetes. The results provide encouraging evidence for the clinical utility of the PAID in Japanese people with diabetes.
    Language English
    Publishing date 2023-09-13
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 2574501-3
    ISSN 2190-1686 ; 2190-1678
    ISSN (online) 2190-1686
    ISSN 2190-1678
    DOI 10.1007/s13340-023-00661-x
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  3. Article: Causes of death in Japanese people with type 2 diabetes and factors associated with all-cause mortality from a large registry in Japan: the Japan Diabetes Complication and its prevention prospective (JDCP) study-9.

    Hayashino, Yasuaki / Izumi, Kazuo / Origasa, Hideki / Nishimura, Rimei / Tajima, Naoko

    Diabetology international

    2023  Volume 14, Issue 3, Page(s) 272–279

    Abstract: Aims: We aimed to estimate the causes of death and their incidence rates and risk factors for all-cause mortality in Japanese people with type 2 diabetes using baseline data from the Japan Diabetes Complication and its Prevention (JDCP) prospective ... ...

    Abstract Aims: We aimed to estimate the causes of death and their incidence rates and risk factors for all-cause mortality in Japanese people with type 2 diabetes using baseline data from the Japan Diabetes Complication and its Prevention (JDCP) prospective study.
    Methods: We analyzed a multicenter prospective cohort of 5944 Japanese people with diabetes aged 40-74 years. Causes of death were categorized as cardiac or cerebrovascular disease, malignancy, infectious disease, accident or suicide, sudden death of unknown cause, and other unknown causes. The Cox proportional hazards model was used to estimate the hazard ratio of all-cause mortality risk factors.
    Results: The mean age was 61.4 years, and 39.9% of the population was female. Overall, the mortality ratio per 100,000 person-years (95% confidence interval [CI]) was 515.3 (95% CI 445.1-596.9). Malignancies are the most common cause of death among people with type 2 diabetes, accounting for 46.9% of all deaths, followed by cardiac and cerebrovascular diseases at 11.7% and infectious diseases at 3.9%. Higher mortality risk was significantly associated with older age, lower body-mass index, alcohol intake, history of hypertension, and acute myocardial infarction (AMI).
    Conclusions: The frequency of causes of death in people with type 2 diabetes identified in this study was similar to that from a recent survey on causes of death conducted by the Japan Diabetes Society. A lower body-mass index, alcohol intake, history of hypertension, and AMI were found to be associated with an increased total risk of type 2 diabetes.
    Supplementary information: The online version contains supplementary material available at 10.1007/s13340-023-00628-y.
    Language English
    Publishing date 2023-04-18
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 2574501-3
    ISSN 2190-1686 ; 2190-1678
    ISSN (online) 2190-1686
    ISSN 2190-1678
    DOI 10.1007/s13340-023-00628-y
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  4. Article ; Online: Association between physical activity and kidney function decline in patients with type 2 diabetes: a prospective cohort study (Diabetes Distress and Care Registry at Tenri [DDCRT 11]).

    Okamura, Shintaro / Niihata, Kakuya / Nishiwaki, Hiroki / Tsujii, Satoru / Ishii, Hitoshi / Hayashino, Yasuaki / Kurita, Noriaki

    Journal of nephrology

    2023  Volume 36, Issue 9, Page(s) 2657–2660

    MeSH term(s) Humans ; Diabetes Mellitus, Type 2/complications ; Diabetes Mellitus, Type 2/epidemiology ; Exercise ; Kidney/physiology ; Prospective Studies ; Registries
    Language English
    Publishing date 2023-06-29
    Publishing country Italy
    Document type Letter ; Research Support, Non-U.S. Gov't
    ZDB-ID 1093991-x
    ISSN 1724-6059 ; 1120-3625 ; 1121-8428
    ISSN (online) 1724-6059
    ISSN 1120-3625 ; 1121-8428
    DOI 10.1007/s40620-023-01691-z
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  5. Article ; Online: The joint association of diabetes distress and depressive symptoms with all-cause mortality in Japanese individuals with type 2 diabetes: a prospective cohort study (Diabetes Distress and Care Registry in Tenri [DDCRT 20]).

    Hayashino, Yasuaki / Okamura, Shintaro / Tsujii, Satoru / Ishii, Hitoshi

    Diabetologia

    2020  Volume 63, Issue 12, Page(s) 2595–2604

    Abstract: Aims/hypothesis: The independent association of depressive symptoms and diabetes distress with mortality risk in individuals with diabetes has not been evaluated. We examined the temporal joint association of diabetes distress and depressive symptoms at ...

    Abstract Aims/hypothesis: The independent association of depressive symptoms and diabetes distress with mortality risk in individuals with diabetes has not been evaluated. We examined the temporal joint association of diabetes distress and depressive symptoms at baseline and the subsequent risk of all-cause mortality.
    Methods: The longitudinal data of 3118 individuals with type 2 diabetes were obtained from a large Japanese diabetes registry. To assess the joint association of diabetes distress and depressive symptoms at baseline with the subsequent risk of all-cause mortality, the Cox proportional hazards model was used with adjustment for potential confounders.
    Results: The mean age, BMI and HbA
    Conclusions/interpretation: Diabetes distress and depressive symptoms were independently associated with all-cause mortality risk in male participants with type 2 diabetes, but we did not observe a significant interaction between diabetes distress and depressive symptoms in relation to all-cause mortality. Graphical abstract.
    MeSH term(s) Aged ; Depression/epidemiology ; Depression/metabolism ; Depression/mortality ; Diabetes Mellitus, Type 2/epidemiology ; Diabetes Mellitus, Type 2/metabolism ; Diabetes Mellitus, Type 2/mortality ; Female ; Glycated Hemoglobin A/metabolism ; Humans ; Male ; Middle Aged ; Proportional Hazards Models ; Prospective Studies
    Chemical Substances Glycated Hemoglobin A
    Language English
    Publishing date 2020-09-19
    Publishing country Germany
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1694-9
    ISSN 1432-0428 ; 0012-186X
    ISSN (online) 1432-0428
    ISSN 0012-186X
    DOI 10.1007/s00125-020-05274-6
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  6. Article ; Online: Association between urinary C-megalin levels and progressive kidney dysfunction: a cohort study based on the diabetes distress and care registry at Tenri (DDCRT 24).

    Niihata, Kakuya / Nishiwaki, Hiroki / Kinoshita, Maki / Kurosawa, Kentaro / Sakuramachi, Yui / Matsunaga, Satoshi / Okamura, Shintaro / Tsujii, Satoru / Hayashino, Yasuaki / Kurita, Noriaki

    Acta diabetologica

    2023  Volume 60, Issue 12, Page(s) 1643–1650

    Abstract: Aims: The aim of this cohort study was to evaluate the association between urinary levels of C-megalin, a full-length form of megalin, and kidney dysfunction progression and its dependence on the urinary albumin-creatinine ratio (UACR) in individuals ... ...

    Abstract Aims: The aim of this cohort study was to evaluate the association between urinary levels of C-megalin, a full-length form of megalin, and kidney dysfunction progression and its dependence on the urinary albumin-creatinine ratio (UACR) in individuals with diabetes.
    Methods: We enrolled 1,547 individuals with diabetes who visited the ambulatory clinic at Tenri Hospital, a regional tertiary-care hospital in Tenri City, Nara Prefecture, Japan, with an estimated glomerular filtration (eGFR) of ≥ 30 mL/min/1.73 m
    Results: Urinary C-megalin level was not associated with ≥ 40% eGFR decline in an age-, sex-, eGFR-, systolic blood pressure-, hemoglobin-, and UACR-adjusted model in the 1,547 patients enrolled in the study. However, urinary C-megalin levels were associated with a ≥ 40% decline in eGFR when accounting for the relationship between urinary C-megalin levels and UACR in the model. This association was UACR-dependent.
    Conclusions: High urinary C-megalin levels were associated with progressive kidney dysfunction in individuals with diabetes, and this association was attenuated by high UACRs.
    MeSH term(s) Humans ; Cohort Studies ; Low Density Lipoprotein Receptor-Related Protein-2 ; Diabetes Mellitus, Type 2/complications ; Kidney ; Registries ; Glomerular Filtration Rate ; Albuminuria/etiology ; Albuminuria/complications
    Chemical Substances Low Density Lipoprotein Receptor-Related Protein-2
    Language English
    Publishing date 2023-07-13
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1097676-0
    ISSN 1432-5233 ; 0940-5429
    ISSN (online) 1432-5233
    ISSN 0940-5429
    DOI 10.1007/s00592-023-02144-6
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  7. Article ; Online: Employment status and diabetic outpatient appointment non-attendance in middle to senior working generation with type 2 diabetes: the Japan diabetes outcome intervention trial-2 large‑scale trial 005 (J-DOIT2-LT005).

    Nakayama, Izumi / Goto, Atsushi / Hayashino, Yasuaki / Suzuki, Hikari / Yamazaki, Katsuya / Izumi, Kazuo / Noda, Mitsuhiko

    Acta diabetologica

    2022  Volume 59, Issue 6, Page(s) 793–801

    Abstract: Aims: Workplace demands, support, and relationships differ according to employment status (e.g., employment that is full-time, part-time, or self-employed) and may lead to unequal opportunities to keep diabetic appointments. We investigated the ... ...

    Abstract Aims: Workplace demands, support, and relationships differ according to employment status (e.g., employment that is full-time, part-time, or self-employed) and may lead to unequal opportunities to keep diabetic appointments. We investigated the association between employment status and outpatient diabetic appointment non-attendance among working-age adults with type 2 diabetes.
    Methods: This was a secondary analysis of a cluster-randomized trial (the Japan diabetes outcome intervention trial 2 large-scale trial). The analysis included 2010 trial participants (40-65 years old) with type 2 diabetes who were regularly followed by primary care physicians (PCPs). The outcome measure was the first non-attendance (defined as a failure to visit a PCP within 2 months of the original appointment) during the one-year follow-up. The association between baseline employment status and non-attendance was examined using Cox proportional hazard model in men and women.
    Results: During the 1279 and 789 person-year follow-up periods, 90 men and 34 women, respectively, experienced their first appointment non-attendance. Among men, self-employed participants had a higher risk of non-attendance compared with full-time employees (adjusted HR, 1.84; 95% CI, 1.15, 2.95). The trial intervention (attendance promotion) was associated with a significantly reduced risk of non-attendance among self-employed participants (HR, 0.51; 95% CI, 0.26, 0.99). Among women, a significant association between employment status and non-attendance was not observed.
    Conclusions: Self-employed men with type 2 diabetes had a twofold increased risk of non-attendance than did full-time employees. Our study suggests that self-employed men with type 2 diabetes should be targeted for interventions promoting appointment adherence.
    MeSH term(s) Adult ; Aged ; Appointments and Schedules ; Diabetes Mellitus, Type 2/therapy ; Employment ; Female ; Humans ; Japan/epidemiology ; Male ; Middle Aged ; Outpatients
    Language English
    Publishing date 2022-03-12
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1097676-0
    ISSN 1432-5233 ; 0940-5429
    ISSN (online) 1432-5233
    ISSN 0940-5429
    DOI 10.1007/s00592-022-01869-0
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  8. Article ; Online: Behavioral change stage might moderate the impact of multifaceted interventions on non-attendance from medical care among patients with type 2 diabetes: The Japan Diabetes Outcome Intervention Trial-2 Large-Scale Trial 007 (J-DOIT2-LT007).

    Bouchi, Ryotaro / Noda, Mitsuhiko / Hayashino, Yasuaki / Goto, Atsushi / Yamazaki, Katsuya / Suzuki, Hikari / Furukawa, Toshiaki A / Izumi, Kazuo / Kobayashi, Masashi

    Journal of diabetes investigation

    2023  Volume 14, Issue 7, Page(s) 907–916

    Abstract: Aims/introduction: Non-attendance from regular medical care is a major problem in diabetes patients. This study aimed to examine the impact of a multifaceted lifestyle intervention by face-to-face approach (FFA) on non-attendance from regular medical ... ...

    Abstract Aims/introduction: Non-attendance from regular medical care is a major problem in diabetes patients. This study aimed to examine the impact of a multifaceted lifestyle intervention by face-to-face approach (FFA) on non-attendance from regular medical care in comparison with that by telephone from the technical support center (TSC).
    Materials and methods: This was secondary analysis from a 1-year, prospective, cluster randomized, intervention study. Patients with type 2 diabetes, who were regularly visiting primary care physicians cluster-randomized into the control or intervention (TSC or FFA according to resource availability of the district medical associations) groups, were consecutively recruited. The primary end-point was non-attendance from regular medical care. The interaction between the type of intervention (TSC vs FFA) and behavioral change stage (pre- vs post-action stage) in diet and exercise for the dropout rate was assessed.
    Results: Among the 1,915 participants (mean age 56 ± 6 years; 36% women) enrolled, 828, 564 and 264 patients belonged to the control, TSC and FFA groups, respectively. We found evidence suggestive of an interaction between the intervention type and behavioral change stage in diet (P = 0.042) and exercise (P = 0.038) after adjusting for covariates. The hazard ratios (95% confidence interval) of FFA to TSC were 0.21 (0.05-0.93) and 7.69 (0.50-117.78) in the pre-action and post-action stages for diet, respectively, whereas they were 0.20 (0.05-0.92) and 4.75 (0.29-73.70) in the pre-action and post-action stages for exercise.
    Conclusions: Among diabetes patients, the impact of multifaceted intervention on non-attendance from medical care might differ by the behavioral change stage.
    MeSH term(s) Humans ; Female ; Middle Aged ; Male ; Diabetes Mellitus, Type 2/therapy ; Japan ; Prospective Studies ; Transtheoretical Model ; Life Style
    Language English
    Publishing date 2023-04-05
    Publishing country Japan
    Document type Randomized Controlled Trial ; Journal Article
    ZDB-ID 2625840-7
    ISSN 2040-1124 ; 2040-1116
    ISSN (online) 2040-1124
    ISSN 2040-1116
    DOI 10.1111/jdi.14012
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  9. Article ; Online: Predictive Validity of Each Item of the 8-Item Short-Form Health Survey for All-Cause Mortality in Japanese patients with type 2 diabetes: A prospective Cohort Study (Diabetes Distress and Care Registry at Tenri [DDCRT 19]).

    Hayashino, Yasuaki / Okamura, Shintaro / Tsujii, Satoru / Ishii, Hitoshi

    Experimental and clinical endocrinology & diabetes : official journal, German Society of Endocrinology [and] German Diabetes Association

    2019  Volume 129, Issue 10, Page(s) 722–728

    Abstract: Aims: While health-related quality of life (HRQOL) is reported to be associated with mortality, this assessment was made using surveys with a large number of questions, not specifically focused on populations with diabetes, or in western countries alone. ...

    Abstract Aims: While health-related quality of life (HRQOL) is reported to be associated with mortality, this assessment was made using surveys with a large number of questions, not specifically focused on populations with diabetes, or in western countries alone. We thus evaluated the predictive validity of summary scores, and each item score of the 8-Item Short-Form Health Survey in Japanese individuals with type-2 diabetes.
    Materials and methods: Longitudinal data from 3269 individuals with diabetes were obtained from a large Japanese diabetes registry. To assess the independent correlation between the 10-point scores of the SF-8 physical component summary (PCS) and mental component summary (MCS), each item score, and all-cause mortality, the Cox proportional hazards model was used with adjustment for potential confounders.
    Results: Mean cohort parameters included age (64.9 years [SD 11.2]), body mass index (24.6 kg/m
    Conclusions: As assessed by the SF-8, higher PCS, MCS, and any single 1-item scores were associated with lower risk of all-cause mortality in Japanese individuals with type 2 diabetes.
    MeSH term(s) Aged ; Diabetes Mellitus, Type 2/epidemiology ; Female ; Humans ; Japan/epidemiology ; Longitudinal Studies ; Male ; Middle Aged ; Mortality ; Registries ; Reproducibility of Results ; Severity of Illness Index
    Language English
    Publishing date 2019-12-10
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1225416-2
    ISSN 1439-3646 ; 0947-7349
    ISSN (online) 1439-3646
    ISSN 0947-7349
    DOI 10.1055/a-1044-2041
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  10. Article ; Online: Psychological and Situational Factors Affecting Dropout from Regular Visits in Diabetes Practice: The Japan Diabetes Outcome Intervention Trial-2 Large Scale Trial 004 (J-DOIT2-LT004).

    Kabeya, Yusuke / Goto, Atsushi / Hayashino, Yasuaki / Suzuki, Hikari / Furukawa, Toshi A / Yamazaki, Katsuya / Izumi, Kazuo / Noda, Mitsuhiko

    JMA journal

    2022  Volume 5, Issue 4, Page(s) 427–437

    Abstract: Introduction: This study explored the psychological and situational factors affecting dropout from regular visits to diabetes care using data obtained from the Japan Diabetes Outcome Intervention Trial 2 (J-DOIT2) Large-scale Trial (LT).: Methods: A ... ...

    Abstract Introduction: This study explored the psychological and situational factors affecting dropout from regular visits to diabetes care using data obtained from the Japan Diabetes Outcome Intervention Trial 2 (J-DOIT2) Large-scale Trial (LT).
    Methods: A total of 2,031 patients with type 2 diabetes who participated in the J-DOIT2-LT were included in the analysis. Responses to a baseline questionnaire with 17 items asking about the experience of dropout from regular visits in diabetes care and its reasons were analyzed using principal component analysis, and factors related to dropout were extracted. Using Cox regression analysis, the association of these factors with the incidence of dropout was investigated.
    Results: The mean age of the 2,031 patients was 56.4 ± 5.9 years and 742 (36.5%) were women. They were followed for a median of 392 days, and 125 patients dropped out from regular visits during the follow-up period. In the principal component analysis of the questionnaire, there were four latent factors with eigenvalues of >1.0, which were labeled as "negative perceptions for regular visits," "social pressure," "lack of perceived necessity," and "environmental obstacles" based on the retained items. The Cox regression analysis demonstrated that patients with high scores of "lack of perceived necessity" and "environmental obstacles" had a significantly increased risk of dropout from regular visits.
    Conclusions: The present study revealed psychological and situational factors related to dropout, which may be useful for detecting patients at high risk of dropout. Effective measures focusing on such patients to prevent dropouts should be investigated in future studies (The trial registration number: UMIN000002186, registered at the University Hospital Medical Information Network-Clinical Trials Registry).
    Language English
    Publishing date 2022-08-26
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 3053329-6
    ISSN 2433-3298 ; 2433-328X
    ISSN (online) 2433-3298
    ISSN 2433-328X
    DOI 10.31662/jmaj.2022-0065
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