Health care spending growth in Japan has accelerated in recent years, unlike in most OECD countries. It is thus important to characterise the structure of recent medical spending using individual‐level data. We use medical claim bill data from a citizen's health insurance plan in Japan to examine the concentration in and persistence of medical spending. We find that medical spending is disproportionately distributed across individuals, with the top 10 per cent of spenders responsible for over 60 per cent of total expenditures. We also find a high correlation in spending over time: the top 20 per cent of spenders have a probability of over 60 per cent of remaining in the same rank in the following year. Further, medical spending is more concentrated among those aged 0–64 years than among the older age group. The results also show a difference in income gradient of health expenditures across age groups. Specifically, individuals aged 25–64 in low‐income families spend more on medical care than those in high‐income families, whereas there is no clear association between income and health expenditures among the elderly. Finally, consistent with previous studies, we find increased medical expenses in the year of death, accounting for 17 per cent of total expenditures among those aged 65 and over.
BackgroundThough mass evacuation may increase the need for long-term care (LTC) services, how the need for LTC services increases and how the public LTC system affects it is not well understood. We evaluated changes in public LTC benefits for the people living in the mandatory evacuation areas established after the 2011 Fukushima nuclear disaster and examined the roles of the universal LTC insurance system in Japan.MethodsIn order to evaluate the effect of the mandatory evacuation on LTC benefits, we examined the trends of LTC benefits in the Fukushima evacuation group and the nationwide non-evacuation group. We first decomposed per-elderly-individual benefits at the municipality level into the LTC certification rate and per-certified-individual benefits, and then implemented difference-in-differences analysis using these variables as outcomes.ResultsPer-elderly-individual benefits significantly increased from 2012 onward in the evacuation group, and this was explained by an increase in the certification rate rather than in per-certified-individual benefits. Increases in per-elderly-individual benefits and the certification rate in the post-disaster period were observed in all but the highest care level, and the corresponding outcomes for the highest care level decreased immediately after the disaster. We also found that the increase in the certification rate had been mostly realized by an increase in the number of certified individuals.ConclusionsThe increase in LTC benefits can be associated with the impact of the increase in the number of people newly certified to receive LTC benefits after the mandatory evacuation. In order to cope with the increase in utilization of long-term care and associated costs after disasters in aging societies, both formal long-term care services and social support for informal care for evacuees should be considered important.
Studies show that the burden of caregiving tends to fall on individuals of low socioeconomic status (SES); however, the association between SES and the likelihood of caregiving has not yet been established. We studied the relationship between SES and the likelihood of adults providing long-term care for their parents in Japan, where compulsory public long-term insurance has been implemented. We used the following six comprehensive measures of SES for the analysis: income, financial assets, expenditure, living conditions, housing conditions, and education. We found that for some SES measures the probability of care provision for parents was greater in higher SES categories than in the lowest category, although the results were not systematically related to the order of SES categories or consistent across SES measures. The results did not change even after the difference in the probability of parents’ survival according to SES was considered. Overall, we did not find evidence that individuals with lower SES were more likely to provide care to parents than higher-SES individuals. Although a negative association between SES and care burden has been repeatedly reported in terms of care intensity, the caregiving decision could be different in relation to SES. Further research is necessary to generalize the results.
Maintaining a social environment that enables going out freely is important for older people and aids the prevention of frailty syndrome. However, losing a driver’s license can increase the long-term care needs of older people. Therefore, outing support systems are important. However, the utilization rate of these systems is currently relatively low. We conducted a demonstration experiment among older people aged 70 years and over, living in Iruma City, Saitama Japan, by implementing the Choisoko outing support system developed by Aisin Co., Ltd., in conjunction with an approach for improving motivation. Using this system, elderly people were able to go shopping freely whenever they chose, without a driver’s license. Participants in the demonstration experiment exhibited higher Functional Independence Measure scores after the intervention, irrespective of whether or not they used the Choisoko system. The number of uses per person increased over time, and the subjective well-being of Choisoko users improved. However, few male participants engaged with the system. Although improving motivation is important for inducing positive behaviors and enabling the elderly to go out, motivation-improving factors differ between men and women.
Socioeconomic status (SES) is generating considerable interest in terms of health of individuals, but how it is associated with long-term care has not been established yet. We study the relationship between SES and long-term care provision to parents among the Japanese adults using JSTAR. We use the following six measures of SES for the analysis: income, asset, expenditure, living condition, housing condition and education. We find a greater probability of care provision to parents among those in higher SES categories for some SES measures, compared to the lowest category. However, after considering the survival probability of parents, the relationship is reversed and the probability of care provision is found to be greater among lower SES individuals. The association is more pronounced among males. The association is likely to be partly mediated by care needs of parents. These results suggest a higher burden of care disproportionately falls in low SES individuals.
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