Data sharing in acupuncture randomised controlled trials
Items | No. (%) (95% CI, %) |
Studies with data sharing statement | (n=339) |
Yes | 66 (19.5) (15.6 to 24.0) |
Not mentioned | 273 (80.5) (76.0 to 84.4) |
Data sharing details | (n=66) |
1. Will individual participant data be available? | |
Yes | 49 (14.5) (11.1 to 18.6) |
No | 1 (0.3) (0.05 to 0.16) |
Not mentioned | 16 (4.7) (2.9 to 7.5) |
2. What data in particular will be shared? | |
The data used or analysed in the study | 61 (18.0) (14.3 to 22.4) |
Protocol and reporting checklist | 1 (0.3) (0.05 to 0.16) |
Not mentioned | 4 (1.2) (0.4 to 3.0) |
3. What other documents will be available? | |
Protocol | 11 (3.2) (1.8 to 5.7) |
Others (eg, adverse events, analytical code) | 10 (3.0) (1.6 to 5.3) |
Not mentioned | 45 (13.3) (10.1 to 17.3) |
4. When will data be available (start and end dates)? | |
With publication | 9 (2.7) (1.4 to 5.0) |
In a specific time | 4 (1.1) (0.5 to 3.0) |
Not mentioned | 53 (15.6) (12.2 to 19.9) |
5. With whom? | |
People with reasonable requests after approval | 30 (8.9) (6.3 to 12.4) |
Anyone | 12 (3.5) (0.2 to 6.1) |
Journal or non-commercial purposes researchers | 3 (0.9) (0.3 to 2.6) |
Not mentioned | 21 (6.2) (4.1 to 9.3) |
6. For what types of analyses? | |
Any proposals? | 3 (0.9) (0.3 to 2.6) |
Specific purpose (eg, methodologically, non-commercial) | 13 (3.8) (2.3 to 6.4) |
Not mentioned | 47 (13.9) (10.6 to 17.9) |
7. By what mechanism will data be made available? | |
Contact authors | 57 (16.8) (13.2 to 21.2) |
Open access link | 5 (1.5) (0.6 to 3.4) |
Not mentioned | 4 (1.2) (0.5 to 3.0) |