Number and percentage of theses on dementia and cancer in Ethos database over time, and retention of dementia thesis authors in dementia research over time
| 1981–1985 | 1986–1990 | 1991–1995 | 1996–2000 | 2001–2005 | 2006–2010 | 2011–2013 | |
|---|---|---|---|---|---|---|---|
| Total dementia theses indexed in Ethos (and as per cent of all theses in Ethos) | 13 (0.050%) | 40 (0.13%) | 108 (0.31%) | 183 (0.35%) | 276 (0.45%) | 440 (0.61%) | 424 (0.83%) |
| Total cancer theses indexed in Ethos (and as per cent of all theses in Ethos) | 114 (0.43%) | 316 (1.0%) | 457 (1.3%) | 946 (1.8%) | 1094 (1.8%) | 2015 (2.8%) | 2127 (4.2%) |
| Total number of theses indexed in Ethos | 26 217 | 30 354 | 34 883 | 52 428 | 62 002 | 72 593 | 50 902 |
| Authors of dementia theses who are still active in dementia research (absolute number and % total dementia theses in EThos) | 1 | 8 | 20 | 32 | 53 | 119 | 81 |
| 7.7% | 20.0% | 18.5% | 17.5% | 19.2% | 27.0% | 19.1% |