Table 2:
Results of logistic regressions
| Data sharing policy (Binary dependent variable) | Variable1 | OR (95% CI) | P (Wald test) | P (Likelihood Ratio Test of Type of Science) |
|---|---|---|---|---|
| Data sharing required but no explicit statement regarding effect on publication/editorial decision-making | Impact Factor | 1.04 (0.95, 1.15) | 0.4 | |
| Type of Science: C | 0.70 (0.28, 1.70) | 0.4 | ||
| Type of Science: M | 0.17 (0.05, 0.63) | 0.0077 | ||
| Type of Science: P | 0.46 (0.17, 1.22) | 0.1 | ||
| Type of Science: S | 0.12 (0.03, 0.53) | 0.0055 | 0.0024 | |
| Data sharing explicitly encouraged/addressed but not required | Impact Factor | 1.07 (0.99, 1.17) | 0.1 | |
| Type of Science: C | 1.06 (0.57, 1.99) | 0.8 | ||
| Type of Science: M | 0.85 (0.46, 1.57) | 0.6 | ||
| Type of Science: P | 1.13 (0.61, 2.08) | 0.7 | ||
| Type of Science: S | 1.04 (0.57, 1.91) | 0.9 | 0.9 | |
| Shared data will be used in peer review | Impact Factor | 1.17 (1.06, 1.28) | 0.001 | |
| Type of Science: C | 0.88 (0.19, 4.01) | 0.9 | ||
| Type of Science: M | 1.00 (0.23, 4.40) | 1 | ||
| Type of Science: P | 1.93 (0.51, 7.35) | 0.3 | ||
| Type of Science: S | 1.36 (0.33, 5.60) | 0.7 | 0.8 | |
| Data sharing mentioned indirectly | Impact Factor | 1.01 (0.86, 1.19) | 0.9 | |
| Type of Science: C | 5.08 (0.58, 44.57) | 0.1 | ||
| Type of Science: M | 7.26 (0.89, 59.53) | 0.1 | ||
| Type of Science: P | 2.84 (0.29, 27.87) | 0.4 | ||
| Type of Science: S | 6.37 (0.76, 53.12) | 0.1 | 0.1 | |
| No mentioning of data sharing | Impact Factor | 0.76 (0.65, 0.89) | 0.0005 | |
| Type of Science: C | 1.21 (0.62, 2.34) | 0.6 | ||
| Type of Science: M | 1.74 (0.94, 3.24) | 0.1 | ||
| Type of Science: P | 1.60 (0.85, 3.01) | 0.1 | ||
| Type of Science: S | 1.55 (0.83, 2.88) | 0.2 | 0.4 | |
| Protein, proteomic, genetic, or genomic data sharing required with deposit to specific data banks | Impact Factor | 1.20 (1.05, 1.37) | 0.0074 | |
| Type of Science: C | 0.46 (0.21, 1.01) | 0.05 | ||
| Type of Science: M | -- | 1 | ||
| Type of Science: P | 0.15 (0.05, 0.44) | 0.0005 | ||
| Type of Science: S | 0.09 (0.03, 0.33) | 0.0002 | 7.8× 10−10 | |
| Sharing of computer codes or models with deposit | Impact Factor | 1.09 (1.00, 1.18) | 0.0439 | |
| Type of Science: C | 1.77 (0.86, 3.66) | 0.1 | ||
| Type of Science: M | 0.85 (0.39, 1.84) | 0.7 | ||
| Type of Science: P | 1.00 (0.46, 2.16) | 1 | ||
| Type of Science: S | 0.81 (0.37, 1.77) | 0.6 | 0.2 | |
| Recommended sharing method: Public online repository | Impact Factor | 1.24 (1.10, 1.41) | 0.0008 | |
| Type of Science: C | 0.64 (0.34, 1.20) | 0.2 | ||
| Type of Science: M | 0.54 (0.29, 1.00) | 0.05 | ||
| Type of Science: P | 0.72 (0.39, 1.34) | 0.3 | ||
| Type of Science: S | 0.67 (0.37, 1.23) | 0.2 | 0.4 | |
| Recommended sharing method: Multiple methods recommended | Impact Factor | 1.04 (0.94, 1.15) | 0.4 | |
| Type of Science: C | 1.58 (0.58, 4.30) | 0.4 | ||
| Type of Science: M | 0.11 (0.01, 0.94) | 0.044 | ||
| Type of Science: P | 0.93 (0.31, 2.78) | 0.9 | ||
| Type of Science: S | 0.73 (0.23, 2.28) | 0.6 | 0.02 | |
| Recommended sharing method: Unspecified | Impact Factor | 0.75 (0.59, 0.83) | 0.00003 | |
| Type of Science: C | 1.26 (0.65, 2.43) | 0.5 | ||
| Type of Science: M | 1.51 (0.82, 2.81) | 0.2 | ||
| Type of Science: P | 1.42 (0.75, 2.66) | 0.3 | ||
| Type of Science: S | 1.41 (0.76, 2.62) | 0.3 | 0.7 | |
| Reproducibility or analogous concepts noted as purpose of data policy | Impact Factor | 1.26 (1.11, 1.42) | 0.0002 | |
| Type of Science: C | 1.31 (0.66, 2.61) | 0.4 | ||
| Type of Science: M | 0.76 (0.37, 1.55) | 0.5 | ||
| Type of Science: P | 0.65 (0.31, 1.36) | 0.3 | ||
| Type of Science: S | 0.64 (0.31, 1.34) | 0.2 | 0.2 | |
| Journal access: Open Access | Impact Factor | 0.84 (0.66, 1.06) | 0.1 | |
| Type of Science: C | 0.82 (0.34, 1.95) | 0.6 | ||
| Type of Science: M | 0.45 (0.18, 1.11) | 0.1 | ||
| Type of Science: P | 0.80 (0.35, 1.84) | 0.6 | ||
| Type of Science: S | 0.24 (0.08, 0.70) | 0.0093 | 0.04 | |
1
Journal categories: C = clinical sciences, M = mathematical sciences, P = physical sciences, S = social sciences. The reference category is B: biological sciences.