Interdisciplinarity in cultural gerontology and geriatric medical humanities - a bibliometric survey

Background Cultural gerontology - understanding ageing through the lens of arts and humanities-has emerged as an important element of epistemology of ageing. As a boundary area between geriatric medicine/gerontology and arts/humanities disciplines, joint-working/interdisciplinarity is desirable. This project aims to assess the degree of joint-working manifested in cultural gerontology by authorship and acknowledgements in papers dedicated to cultural gerontology in five journals. Methods Observational survey of authorship in 5 journals from the founding of the specific sections on cultural gerontology or specific dedicated journals, assessing number of authors, disciplinary identities, and evidence of joint working within cultural gerontology. Results Of 591 papers, 481 (81%) were single authors. There was a spread of disciplinary affiliations, 247 (41.8%) gerontology/age studies, 169 arts/humanities/social sciences (28.6%) and 133 of uncertain affiliation (22.5%): only 38 papers had a clear indication of joint working across the disciplines (6.4%). In the two geriatric medicine journals, European Geriatric Medicine and Journal of the American Geriatrics Society, authorship was almost exclusively from geriatric medicine/gerontology. There was extremely limited use of acknowledgements. Conclusion Our study indicates that single authorship is the most frequent mode of peer-reviewed publishing in cultural gerontology, whilst acknowledging that some authors may have scholarly training in multiple fields but are listed as unidisciplinary. Leaders in the field and editors of relevant journals/section need to consider ways of encouraging and recognising joint working, through fuller descriptions of multiple affiliations, brief author biographies, fuller use of acknowledgements and consideration of brief accompanying discussant responses from complementary disciplines.