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Characteristics of methods publications addressing allocation bias directionality and mechanisms
| Publication characteristics | n (%) |
|---|---|
| Total | 57 |
| Publication type | |
| Theoretical article | 33 (58 %) |
| Meta-epidemiological study | 9 (16 %) |
| Textbook | 12 (21 %) |
| Editorial | 1 (2 %) |
| Comment | 2 (3 %) |
| Publication topic | |
| Allocation bias primary aim | 32 (56 %) |
| Other | 25 (44 %) |
| Year of Publication | |
| 1975–1984 | 1 (2 %) |
| 1985–1994 | 3 (5 %) |
| 1995–2004 | 18 (32 %) |
| 2005–2014 | 35 (61 %) |
