Journal
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
Volume 17, Issue 24, Pages -Publisher
MDPI
DOI: 10.3390/ijerph17249276
Keywords
older adults; depression; mental health; greenspace; trees; grasslands; fields; built environment; urban; rural
Funding
- JSPS (Japan Society for the Promotion of Science) KAKENHI [JP15H01972, JP15H04781, JP15H05059, JP15K03417, JP15K03982, JP15K16181, JP15K17232, JP15K18174, JP15K19241, JP15K21266, JP15KT0007, JP15KT0097, JP16H05556, JP16K09122, JP16K00913, JP16K02025]
- Health Labor Sciences Research Grants from the Ministry of Health, Labor, and Welfare [H26-Choju-Ippan-006, H27-Ninchisyou-Ippan-001, H28- Choju-Ippan-002, H28- Ninchisyou-Ippan-002, 19FA1012, 19FA2001]
- AMED (Japan Agency for Medical Research and development) [16dk0110017h0002, 16ls0110002h0001]
- National Center for Geriatrics and Gerontology [24-23, 24-17]
- JST-OPERA program [JPMJOP1831]
- The JSPS (Japan Society for the Promotion of Science) KAKENHI [JP16K12964, JP16K13443, JP16K16295, JP16K16595, JP16K16633, JP16K17256, JP16K19247, JP16K19267, JP16K21461, JP16K21465, JP16KT0014, 19K04785, 20H00557, JP25253052, JP25713027, JP26285138, JP26460828, JP26780328, 20K13721]
- Grants-in-Aid for Scientific Research [20H00557, 20K13721, 19K04785] Funding Source: KAKEN
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Depression in older adults is a public health challenge. We aimed to clarify the relationship between depression in older adults and three types of neighborhood greenspaces: trees, grasslands, and fields. We utilized data from the Japan Gerontological Evaluation Study (JAGES) performed in 2016. Multilevel logistic regression analysis was used for non-stratified and stratified analyses for the urban-rural regions. The target population comprised 126,878 older adults (age >= 65 years) who responded to the depression questions and were living in 881 neighborhoods in Japan. Depression was diagnosed based on a Geriatric Depression Scale score >= 5, and 20.4% of the study population had depression. In the pre-stratification analysis, areas with more greenspaces revealed lower odds of depression (odds ratio (OR) 0.95, 95% confidence interval (CI) 0.85-0.95). In urban areas, more trees correlated with lower odds of depression (OR 0.94, 95% CI 0.89-1.00). In rural areas, moderate amounts of grassland were associated with lower odds of depression compared to areas with fewer grasslands (OR 0.91, 95% CI 0.83-1.00). We found that urban areas with higher tree density and rural areas with moderate amounts of grassland were associated with lower odds of depression.
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