Characteristics of included publications
| Total (n=116) | n (%) |
| HSR domain | |
| Policy | 19 (16.4) |
| Social factors | 11 (9.5) |
| Financing systems | 10 (8.6) |
| Organisational structures and processes | 43 (37.1) |
| Health technologies | 11 (9.5) |
| Personal behaviours | 22 (19.0) |
| Methodological approach | |
| Quantitative | 63 (54.3) |
| Qualitative | 33 (28.4) |
| Mixed methods | 20 (17.2) |
| Type of research | |
| Descriptive | 31 (26.7) |
| Exploratory | 59 (50.9) |
| Hypothesis testing | 19 (16.4) |
| Measurement instruments | 5 (4.3) |
| Other | 2 (1.7) |
| Design | |
| Observational | 59 (50.9) |
| (Quasi) experimental | 9 (7.8) |
| Systematic review | 17 (14.7) |
| Economic evaluation | 5 (4.3) |
| Meta analyses | 3 (2.6) |
| Case study | 22 (19.0) |
| Other | 1 (0.9) |
| Protocol published | 19 (16.4) |
| Funder of study stated | 98 (84.5) |
| Contributions stated | 57 (49.1) |
| Number of included journals | 80 (100.0) |
| Mean | |
| Impact factor journal (n=93 publications*) | 2.81 (SD 1.45) |
| Number of authors (n=116) | 6.12 (SD 5.53) |
Occurrence of QRPs per publication.
↵*Not all journals had an impact factor. Mean impact factor was calculated over 93 publications.
HSR, health services research.