Table 2. Description of included records.
| Coding Category | Characteristic | Frequency | Percentage |
|---|---|---|---|
| Category (n = 84) | Academic Literature | 53 | 63.1 |
| Grey Literature | 31 | 36.9 | |
| Theme (n = 84) | Biomechanical efficacy | 50 | 59.5 |
| Clinical effectiveness | 20 | 23.8 | |
| Workplace safety | 17 | 20.2 | |
| Cost-effectiveness | 12 | 14.3 | |
| Primarily focused on compliant flooring findings (n = 84) | — | 67 | 79.8 |
| Source of literature (n = 84) | Record from original academic search | 51 | 60.7 |
| MEDLINE | 21 | 41.2 | |
| Web of Science | 11 | 21.6 | |
| CINAHL | 9 | 17.6 | |
| AgeLine | 7 | 13.7 | |
| Ergo-Abs | 1 | 2.0 | |
| Cochrane Database of Systematic Reviews | 1 | 2.0 | |
| SportDiscus | 1 | 2.0 | |
| Record from experts | 17 | 20.2 | |
| Record from conference | 8 | 9.5 | |
| Record from reference list | 5 | 6.0 | |
| Record from academic search post-baseline | 2 | 2.4 | |
| MEDLINE | 1 | 50.0 | |
| Web of Science | 1 | 50.0 | |
| Record from website | 1 | 1.2 | |
| Record from Proquest Thesis/Dissertation search | 0 | 0.0 | |
| Record from clinical trial registries | 0 | 0.0 | |
| Record from Age Ageing table of contents | 0 | 0.0 | |
| Journal Category (n = 53) | Engineering, other | 13 | 24.5 |
| Engineering, biomedical | 10 | 18.9 | |
| Geriatrics and gerontology | 9 | 17.0 | |
| Public, environmental, and occupational health | 9 | 17.0 | |
| Rehabilitation | 6 | 11.3 | |
| Nursing | 4 | 7.5 | |
| Orthopaedics | 2 | 3.8 | |
| Non-English Record (n = 84) | — | 1 | 1.2 |
| Type of Record (n = 84) | Original article | 49 | 58.3 |
| Conference abstract/proceeding | 13 | 15.5 | |
| Non-systematic review | 6 | 7.1 | |
| Report | 5 | 6.0 | |
| Thesis/dissertation | 5 | 6.0 | |
| Book/book chapter | 2 | 2.4 | |
| Editorial/opinion piece | 2 | 2.4 | |
| Periodical | 1 | 1.2 | |
| Clinical trial registration | 1 | 1.2 | |
| Primary Study Design (n = 86)* | Controlled experiment | 51 | 59.3 |
| Simulation study | 11 | 12.8 | |
| Non-systematic review | 7 | 8.1 | |
| Randomized control trial | 3 | 3.5 | |
| Opinion piece | 2 | 2.3 | |
| Retrospective cohort study | 2 | 2.3 | |
| Non-randomized controlled trial | 2 | 2.3 | |
| Report | 1 | 1.2 | |
| Survey | 1 | 1.2 | |
| Longitudinal comparative cohort study | 1 | 1.2 | |
| Qualitative Methods | 1 | 1.2 | |
| Prospective cohort study | 1 | 1.2 | |
| Longitudinal observational study | 1 | 1.2 | |
| Not applicable | 2 | 2.3 | |
| Country of origin (n = 85)† | United States | 34 | 40.0 |
| Canada | 18 | 21.2 | |
| United Kingdom | 14 | 16.5 | |
| Sweden | 6 | 7.1 | |
| New Zealand | 5 | 5.9 | |
| Japan | 3 | 3.5 | |
| Australia | 3 | 3.5 | |
| Brazil | 1 | 1.2 | |
| Netherlands | 1 | 1.2 | |
| Setting (n = 84) | Laboratory | 15 | 17.9 |
| Hospital/acute care | 14 | 16.7 | |
| Long-term care/nursing home | 10 | 11.9 | |
| Community | 2 | 2.4 | |
| Other‡ | 4 | 4.8 | |
| Not reported/no setting | 39 | 46.4 | |
| Population (n = 96) | Older adults (65+ years) | 34 | 35.4 |
| Adults (18–64 years) | 24 | 25.0 | |
| Special populations | 10 | 10.4 | |
| Not reported | 5 | 5.2 | |
| Not applicable | 23 | 24.0 | |
| Decade of Publication (n = 84) | 1980–1989 | 3 | 3.6 |
| 1990–1999 | 16 | 19.0 | |
| 2000–2009 | 26 | 31.0 | |
| 2010–2016 | 39 | 46.4 |
Notes. Numbers may be higher than 84 records as each record can span multiple categories.
* 3 studies used both controlled experiment and modelling study designs.
† 1 study took place in nursing homes across the United Kingdom and Australia.
‡ Other study settings include assisted living (1), hospice (1), industrial setting (1), and conference center (1).