Effect | AOR | 95% CI | |
---|---|---|---|
Number of PIs | |||
Multiple vs. single | 2.04** | 1.32 | 3.14 |
Size of collaboration | |||
3 + institutions vs. single | 4.78*** | 2.99 | 7.63 |
2 institutions vs. single | 1.71** | 1.16 | 2.53 |
Study location | |||
3 + locations vs. 1 location | 1.86** | 1.18 | 2.92 |
2 + locations vs. 1 location | 1.58 | 0.89 | 2.81 |
Study size | |||
Large vs. small | 1.97* | 1.16 | 3.34 |
Medium vs. small | 0.96 | 0.59 | 1.56 |
Funding Source | |||
Federal vs industry only | 4.45** | 1.80 | 11.00 |
Other vs industry only | 0.23*** | 0.14 | 0.39 |
Study design | |||
RCTs vs observational | 1.11 | 0.70 | 1.76 |
Gender | |||
Mixed vs male | 1.45 | 0.69 | 3.06 |
Female vs male | 5.06** | 2.05 | 12.49 |
Age | |||
Child vs adult | 3.13** | 1.43 | 6.86 |
Mixed vs adult | 2.04** | 1.19 | 3.50 |
Duration of study | |||
Long vs short | 1.60 | 0.83 | 3.07 |
Medium vs. short | 1.31 | 0.90 | 1.91 |