Factors associated with psychological well-being among nonagenarians: Well-being in the era of 100 years of life

Affiliations

• ¹ Research Team for Human Care, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan.
• ² Research Team for Promoting Independence and Mental Health, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan.
• ³ Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan.
• ⁴ Osaka University Graduate School of Human Science, Osaka, Japan.
• ⁵ Osaka University Graduate School of Allied Health Science, Osaka, Japan.
• ⁶ Department of Prosthodontics, Gerondontology and Oral Rehabilitation, Osaka University Graduate School of Dentistry, Osaka, Japan.
• ⁷ Center for Supercentenarian Medical Research, Keio University School of Medicine, Tokyo, Japan.