Asae Oura

Kochi Medical School, Kôti, Kochi, Japan

Are you Asae Oura?

Claim your profile

Publications (17)25.97 Total impact

  • [Show abstract] [Hide abstract]
    ABSTRACT: Objectives: A prospective study was conducted to assess factors associated with risk of turnover among care workers in group homes (GHs) for elderly individuals with dementia. Methods: In January, 2010, 51 out of 238 GHs in Sapporo City responded to our request for participation in a survey. During February and March of 2010, 438 out of 700 care workers (62.6%) in the GHs returned a completed questionnaire to us. They were followed up with until March of 2012, and 395 subjects (90.1%) responded to our survey, which was conducted twice. Over the course of 2 years, 91 subjects left their jobs. Cox's proportional hazards model was used for analysis, adjusting for gender and age. Results: Less provision of social support by supervisors, colleagues, family or friends was significantly associated with increased risk of turnover. Financial aids for off-the-job training was marginally significantly associated with reduced risk of turnover. Longer duration of working for frail elderly care was significantly associated with decreased risk of turnover. Habitual smoking was significantly associated with increased risk of turnover. Conclusions: Social support in the workplace may be important to reduce the risk of turnover in care workers at GHs. Further prospective studies are required in other areas in Japan.
    Journal of Occupational Health 10/2013; 55(6). DOI:10.1539/joh.12-0265-OA · 1.11 Impact Factor
  • Mika HARAI · Asae OURA · Mitsuru MORI ·
    [Show abstract] [Hide abstract]
    ABSTRACT: Objectives The aim of this study is to clarify risk factors of urinary incontinence (UI) in elderly Japanese women. Methods We randomly selected 1600 women, aged between 65 and 74 years, from the resident registration of Sapporo City and we analyzed 746 women, who responded twice on surveys in 2010 and 2011. UI was defined as frequent UI when it occurred at least once a week in both 2010 and 2011. ResultsMultivariate logistic regression analysis revealed that the past maximum body weight, smoking index, past history of bladder disease or hemorrhoids, and the participant's mother's history of UI were significantly associated with an increased risk of UI. Conclusion Lifestyle habits such as weight gain and smoking habits were associated with an increased risk of UI in Japanese women. Further study is needed, because modification of these risk factors may possibly result in reducing risk of UI.
    Lower urinary tract symptoms 07/2013; 6(2). DOI:10.1111/luts.12026 · 0.30 Impact Factor
  • [Show abstract] [Hide abstract]
    ABSTRACT: A cross-sectional study was conducted to explore the potential association between work environment and/or stress coping ability, and depressive status among caregivers working for "group homes (GHs)" in Japan. In January 2010, 438 out of 700 caregivers working at GHs in Sapporo City returned completed questionnaires to us. The questionnaires consisted of the Center of Epidemiological Scales-Depression, items about worker's attributions, Ozeki's coping scale, and so on. An analysis using a logistic regression model was used to find the associations adjusting for gender and age. Subjects who were 45 yr or older, had a spouse, had job training, a standard workload and scored high in emotion-oriented coping were significantly associated with a decreased risk of depression. Subjects who were less proud of their job, less willing to continue care for the frail elderly and had fewer acceptances by their supervisors or colleagues for consultation were significantly associated with an increased risk of depression. This study supports our hypothesis that there can be possible variables among individual factors, work environment and/or coping style for stress which may modulate a risk on the depressive status of caregivers.
    Industrial Health 05/2013; 51(4). DOI:10.2486/indhealth.2012-0204 · 1.12 Impact Factor
  • Mika Harai · Asae Oura · Yoko Yoshikawa · Mitsuru Mori ·
    [Show abstract] [Hide abstract]
    ABSTRACT: Urination diseases--particularly urinary incontinence (UI)--strongly affect individuals' quality of life (QOL). It is important to maintain overall QOL in societies with an increasing number of long-living elderly people, such as in Japan. Thus, this study aims to clarify the risk factors concerning UI in elderly women. For this study, we obtained the approval of the Ethical Committee of Sapporo Medical University. In October 2010, we randomly selected 1,600 women, aged between 65 and 74 years, from the registry of Sapporo city residents and mailed out a self-administered questionnaire. Our questionnaire consisted of five subsections (24 items in total), including fundamental attributes, health condition, past history, present illness, and the International Consultation on Incontinence Questionnaire-Short Form (ICIQ-SF). The self-reported prevalence of UI was defined as frequent UI being at least once a week. A logistic regression analysis was used to assess the risk factors for UI. Among those who received the questionnaire, 802 women (response rate: 50.1%) returned a completed questionnaire with written informed consent. Their mean age (+/- standard deviation) was 69.8 +/- 2.6 years, and the prevalence of UI was found to be 29.7%. The mean scores (+/- standard deviation) of ICIQ-SF were 1.7 +/- 2.9 for all participating subjects, and 5.55 +/- 2.50 and 0.09 +/- 0.53 for the groups with or without UI, respectively. The results of the multiple logistic regression analysis were as follows: the odds ratio (95% confidence interval) was 1.94 (1.32, 2.85) for a past maximum weight heavier than or equal to 60 kg; 1.98 (1.18, 3.32) for a smoking index more than or equal to 300; 2.54 (1.47, 4.39) for a poor self-perceived health status; 1.62 (1.09, 2.40) for having a past history of bladder diseases; 1.72 (1.11, 2.69) for having a past history of hemorrhoidal disease; and 2.05 (1.36, 3.10) for a history of UI in one's mother. The self-reported prevalence rate of UI was 29.7% in women aged 65-74 years. In the future, we plan to conduct a follow-up survey to further clarify the risk factors of UI that have been implicated in this cross-sectional study.
    [Nippon kōshū eisei zasshi] Japanese journal of public health 02/2013; 60(2):79-86.

  • Japanese Journal of Health and Human Ecology 01/2013; 79(1):3-9. DOI:10.3861/jshhe.79.3
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: The proportion of Japanese adults aged 65 years or older is predicted to increase; thus, it is becoming more important to identify factors that influence health status among elderly adults in Japan. We conducted a follow-up study of community-dwelling elderly adults to assess the relationship of hobby activities with mortality and incident frailty. We randomly selected 3583 individuals aged 65 to 84 years from the residential registries of 7 study areas in Hokkaido, Japan in August 2007. Among them, 1955 (54.6%) returned completed questionnaires with written informed consent by mail. The baseline assessment questionnaire comprised questions on current and past involvement in hobby activities, self-perceived health status, smoking and drinking habits, and body height and weight. Questions on hobby activities were from 4 categories: solitary physical, group physical, solitary cultural, and group cultural activities. We later conducted a follow-up survey of the participants to ascertain all-cause mortality and incident frailty. A Cox proportional hazards model was used for analysis of data from September 2007 to May 2010. After adjusting for potential confounders, the risk of incident frailty among respondents participating in solitary physical activities was significantly lower than in those who did not participate in such activities (hazard ratio = 0.57; 95% CI 0.33, 0.99). Furthermore, the risk of incident frailty among respondents taking part in group cultural activities was significantly lower than in those who did not participate in such activities (0.41; 0.19, 0.87). These findings may be important for programs that seek to promote good health among elderly adults.
    Journal of Epidemiology 05/2012; 22(4):340-7. DOI:10.2188/jea.JE20110057 · 3.02 Impact Factor
  • [Show abstract] [Hide abstract]
    ABSTRACT: Depression affecting caregivers is a risk factor for discontinuing at-home care. The present cross-sectional study was conducted to evaluate factors related to depression among family caregivers. A cross-sectional study was conducted to evaluate factors related to depression among family caregivers of the frail elderly. The study included caregivers whose relatives received periodic visits from a nurse from one of seven Sapporo-based home-visiting nursing service stations in October 2008 or from one of nine Kochi-based home-visiting nursing service stations between June 2009 and March 2010. Caregivers were asked to answer a self-administered questionnaire about various factors that might affect their depression and to complete a Center for Epidemiologic Studies Depression Scale evaluation. We analyzed 127 pairs of responses in total. After we adjusted the results for the caregivers' gender and age, the factors that decreased the risk of depression in the Sapporo group related to relieving the stress that results from being a caregiver (OR = 0.12, 95%CI = [0.03, 0.42]) and the ability to independently pay more than ¥10 000 for part of care service costs (OR = 0.17, 95%CI = [0.05, 0.58]). In contrast, feeling ill was a factor that increased caregivers' risk of depression in the Kochi group (OR = 4.23, 95%CI = [1.29, 13.9]), but not in Sapporo group (OR = 2.53, 95%CI = [0.91, 7.08]). Caregivers in the Sapporo group were more likely to feel ill (P < 0.01) than their counterparts in Kochi. The Japanese government should take measures to reduce caregivers' depression. Otherwise family members will increasingly discontinue to provide at-home care.
    Geriatrics & Gerontology International 10/2011; 12(2):230-7. DOI:10.1111/j.1447-0594.2011.00754.x · 2.19 Impact Factor
  • [Show abstract] [Hide abstract]
    ABSTRACT: In accordance with nutritional improvement, the environmental sanitation, and advance in medical technology after World War II, Japan has achieved almost the longest lifespan in the world. This change has two implications. Firstly, this has led to a drastic increase in elderly population in Japan. Secondly, a part of Japanese has faced the problem of over-nutrition due to e.g. an inappropriately increased intake of total energy and total fat, a more sedentary lifestyle or insufficient physical activity in association with use of various mechanic devices or transportation including a car in their life. Their lifestyles are not only associated with an increased risk of lifestyle-related morbidity, but also with increased medical expenditure. Some studies reported higher prevalences of obesity, glucose intolerance (Kawamori 2002), hypertension (Ueshima et al. 2000), and/or hyperlipidemia (Koba and Sasaki 2006) in recent years as compared to past. These lifestyles factors and morbidity are suggested as possible risk factors for a higher mortality related to cardiovascular diseases and certain types of cancer.
    Health in Megacities and Urban Areas, First Edition edited by Alexander Kraemer, MMH Khan, Frauke Kraas, 01/2011: chapter 5: pages 75-86; Springer., ISBN: 978-3-7908-2732-3
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: To investigate the relationship between dietary intake of minerals and the risk of chronic obstructive pulmonary disease (COPD), a case-control study was conducted in central Japan. A total of 278 referred patients (244 men and 34 women) aged 50-75 years with COPD diagnosed within the past four years and 340 community-based controls undertook spirometric measurements of lung function. A structured questionnaire was administered face-to-face to obtain information on demographics and habitual food consumption. Dietary intakes of six major minerals were derived from the Japanese food composition tables. The COPD patients had lower habitual energy-adjusted intakes of calcium, phosphorus and iron than controls, but not sodium. A significant reduction in prevalence of COPD was observed for calcium, with adjusted odds ratio 0.65 (95% confidence interval: 0.37- 0.98) for the highest level versus lowest level of intake. A high iron intake was also inversely associated with the COPD risk. In conclusion, an inverse association was evident between dietary calcium intake and the risk of COPD for Japanese adults.
    Asia Pacific Journal of Clinical Nutrition 12/2010; 19(4):572-7. · 1.70 Impact Factor
  • Asae Oura · Mitsuru Mori · Hisako Izumi · Masakazu Washio ·

    01/2010; 11(1):65-68. DOI:10.5939/sjws.10008
  • Source
    Masakazu Washio · Asae Oura · Mitsuru Mori ·
    [Show abstract] [Hide abstract]
    ABSTRACT: Ecological studies lack the ability to control for the effects of confounding factors. The findings of a linear relationship between average exposure and disease frequency in ecological studies do not imply that such a linear relationship will be present at the individual levels. This is known as the 'ecological fallacy'. Despite these limitations, ecological studies may be the best approach to studying exposures that are easier to measure at the group rather than the individual level because most ecological studies make use of routinely collected data. They are also useful for monitoring the effectiveness of population interventions such as vaccination programs, health education campaigns and mass screening programs. Thus, ecological studies are useful epidemiologic tools for public health surveillance if we know their limitations and interpret their results carefully. Ecological studies often help to generate hypotheses, although they rarely provide a strong test of a causal hypothesis.
    Vaccine 07/2008; 26(50):6470-2. DOI:10.1016/j.vaccine.2008.06.037 · 3.62 Impact Factor
  • [Show abstract] [Hide abstract]
    ABSTRACT: Confounding is a kind of bias which occurs in a research. Confounding is less frequent in randomized controlled trials (RCT) for evaluation of influenza vaccines. However, there are obstacles or difficulties in conducting RCT for evaluation of influenza vaccines, particularly, in the elderly people. Therefore, a retrospective or prospective cohort study has been primarily performed to evaluate effectiveness of influenza vaccine in elderly people. Confounding by indication or other confounding exist in most observational studies. Accordingly, at the stage of designing or analyzing a study, confounding should be controlled with a restriction, matching, stratified or multivariate analysis technique.
    Vaccine 07/2008; 26(50):6459-61. DOI:10.1016/j.vaccine.2008.06.040 · 3.62 Impact Factor
  • [Show abstract] [Hide abstract]
    ABSTRACT: In Asia there are few reports considering time intervals in the examination of clinical features of primary biliary cirrhosis (PBC). Therefore, we tried to compare the characteristics of patients with PBC in two different years. In two fiscal years (1999 and 2004), 9,761 and 13,142 patients with symptomatic PBC were registered to receive public financial aid from the Ministry of Health, Labour and Welfare of Japan, respectively. For the present study, clinical data from 2,127 patients in 1999 and 6,423 ones in 2004 were available. We compared the data in the two different years, including sex, age, major symptoms, and laboratory data. Male/female ratios were the same figure (0.13 for 1999 and 2004). The median age was significantly older in 2004 than in 1999 (59 years for 1999, 63 years for 2004, respectively, p<0.01). Jaundice and esophageal varices were found significantly less frequent in 2004 than in 1999 (p<0.01 for each item). Levels of total bilirubin,gamma-glutamyl transpeptidase (gamma-GTP), total cholesterol, and immunoglobulin M were significantly lower in 2004 than in 1999 (p< 0.02 for total bilirubin, and p<0.01 for other each item). The positive rate of antimitochondrial antibodies was significantly higher in 1999 than in 2004 (87.0% for 1999, 83.5% for 2004, respectively, p<0.01)). Complicated autoimmune diseases such as Sjögren's syndrome, rheumatoid arthritis, and chronic thyroiditis were found significantly more frequent in 2004 than in 1999 (p<0.01 for each item). Among the patients with PBC in 2004, an increase in median age, and lower levels of laboratory data such as gamma-GTP have been found compared to 1999. These results may show an accumulation of patients with better prognosis and the recent medical progress in controlling patients with PBC.J Epidemiol 2007; 17: 210-214.
    Journal of Epidemiology 11/2007; 17(6):210-4. DOI:10.2188/jea.17.210 · 3.02 Impact Factor
  • A Oura · M Washio · Y Arai · S Ide · R Yamasaki · J Wada · Y Kuwahara · M Mori ·
    [Show abstract] [Hide abstract]
    ABSTRACT: Cross sectional studies were conducted in five towns in Japan before and after the introduction of the Long-term Care Insurance System (LTCIS), in order to evaluate the factors relating to depression among family caregivers for the frail elderly. Depressive caregivers were more likely to consult with their doctors, to be in poor health, to care for demented elderly with behavioral disturbances than the non-depressive caregivers both before and after the LTCIS. Before LTCIS, depressive caregivers were more likely to attend to the elderly for more than 16 hours per day than their counterparts. After the LTCIS, depressive caregivers were more likely to be a spouse, to care for a frail elderly male, and less likely to be able to go out without accompanying the elderly than their counterparts. Even after the introduction of LTCIS, half of the caregivers were depressive. It is suggested that a government agency should be created to support not only the frail elderly but also their caregivers.
    Zeitschrift für Gerontologie + Geriatrie 05/2007; 40(2):112-8. DOI:10.1007/s00391-007-0412-z · 0.81 Impact Factor
  • [Show abstract] [Hide abstract]
    ABSTRACT: A dramatic increase in the number of elderly people in Japan has led to a concurrent increase in the number of frail elderly in need of care. It is estimated that the number of frail elderly will reach 3.9 million by the year 2010. Family members are often both physically and mentally burdened with caring for the frail elderly. The present study was conducted to identify the risk factors for institutionalization among the frail elderly receiving in-home care in Japan. Copyright (c) 2006 S. Karger AG, Basel.
    Gerontology 02/2006; 52(1):66-8. DOI:10.1159/000089828 · 3.06 Impact Factor
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: Many risk factors have been proposed for systemic lupus erythematosus (SLE). However, there is little information about the relationship between lifestyles and SLE in Japan. Two case control studies were conducted in Kyushu, southern Japan, and in Hokkaido, northern Japan, to examine the relationship between lifestyles and development of SLE in females. The participants were 78 patients and 329 controls in Kyushu and 35 patients and 188 controls in Hokkaido. Smoking was associated with an increased risk of SLE after adjusting for age in both regions. However, in Hokkaido, this association between smoking and SLE did not reach statistical significance after adjusting for alcohol drinking. The present study suggests that smoking may increase the risk of SLE among Japanese females.
    Modern Rheumatology 02/2006; 16(3):143-50. DOI:10.1007/s10165-006-0474-6 · 2.40 Impact Factor
  • Asae Oura · Masakazu Washio · Hisako Izumi · Mitsuru Mori ·
    [Show abstract] [Hide abstract]
    ABSTRACT: The present study was conducted in October 2003 to investigate the factors related to psychological stress and the heavy burden of caregivers taking care of frail elderly persons in the northern part of the Onga district, Fukuoka Prefecture, Kyushu, Japan. A total of 40 caregivers were assessed using a self-administered questionnaire involving the Japanese version of the Zarit Caregiver Burden Interview (J-ZBI) and thus described their own caregiving situation. J-ZBI research had been done on a yearly basis for the previous 5 years and the results of each investigation regarding Center for Epidemiologic Studies Depression Scale (CES-D), and incidence of depression, ADL and dementia were compared prior to and after initiation of public long term care insurance for the elderly (LTCI). Compared to caregivers with a middle or light burden, heavily burdened caregivers were more likely to have a higher J-ZBI, and CES-D. Compared to caregivers with a light burden, heavily burdened caregivers were more likely to 1) be in poor condition, 2) complain of their economical situation, 3) spend a longer time with care talker. Compared to caregivers with a middle burden, heavily burdened caregivers more frequently used short-stay services (i.e., temporary nursing home assistance). J-ZBI and ADL were compared to before LTCI, and 4 years after LTCI had been started. Scores for both were lower after 4 years. Compared to before LTCI, day-care and day service were used less frequently 3 and 4 years after LTCI. After LTCI, caregivers showed a lower J-ZBI score, but the incidence of depression among caregivers was higher, compared to the general public. It is suggested that a government agency should be created to support not only the frail elderly but also their caregivers.
    Nippon Ronen Igakkai Zasshi Japanese Journal of Geriatrics 08/2005; 42(4):411-6. DOI:10.3143/geriatrics.42.411

Publication Stats

73 Citations
25.97 Total Impact Points


  • 2013
    • Kochi Medical School
      Kôti, Kochi, Japan
    • Kochi University
      • Department of Public Health
      Kôti, Kōchi, Japan
  • 2011-2012
    • National Cerebral and Cardiovascular Center
      Ōsaka, Ōsaka, Japan
  • 2006-2011
    • Sapporo Medical University
      • Department of Public Health
      Sapporo, Hokkaidō, Japan