著者
Shota Hamada Hideto Takahashi Nobuo Sakata Boyoung Jeon Takahiro Mori Katsuya Iijima Satoru Yoshie Tatsuro Ishizaki Nanako Tamiya
出版者
Japan Epidemiological Association
雑誌
Journal of Epidemiology (ISSN:09175040)
巻号頁・発行日
pp.JE20180055, (Released:2018-09-22)
参考文献数
29
被引用文献数
4

Background: This study aimed to determine whether there are disparities in healthcare services utilization according to household income among people aged 75 years or older in Japan.Methods: We used data on medical and long-term care (LTC) insurance claims and on LTC insurance premiums and needs levels for people aged 75 years or older in a suburban city. Data on people receiving public welfare were not available. Participants were categorized according to household income level using LTC insurance premiums data. The associations of low income with physician visit frequency, length of hospital stay (LOS), and medical and LTC expenditures were evaluated and adjusted for the five-year age group and LTC needs level.Results: The study analyzed 12,852 men and 18,020 women, among which 13.3% and 41.5% were respectively categorized as low income. Participants with low income for both genders were more likely to be functionally dependent. In the adjusted analyses, lower income was associated with fewer physician visits (incidence rate ratio: 0.90 (95% confidence interval 0.87-0.92) for men and 0.97 (0.95-0.99) for women), longer LOS (1.98 (1.54-2.56) and 1.42 (1.20-1.67)), and higher total expenditures (1.09 (1.01-1.18) and 1.09 (1.05-1.14)).Conclusions: This study suggests older people with lower income had fewer consultations with physicians but an increased use of inpatient services. The income categorization used in this study may be an appropriate proxy of socioeconomic status.

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低所得者では医師の診察を受ける機会が少なく入院が多い。 J-STAGE Articles - Household Income Relationship With Health Services Utilization and… https://t.co/VEbB8XN80R
前職の同僚、浜田さんと佐方さんの論文。医療介護レセプトデータの統合分析。 Household income relationship with health services utilization and healthcare… https://t.co/j0j8lUHCCB

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