Results of ordinal probit regression of an article’s conceptual fragmentation
| Variables and model statistics | b | SE | Wald | df | p |
|---|---|---|---|---|---|
| Main predictor variables | |||||
| Article: Theoretical role of co-creation | 0.819 | 0.045 | 333.476 | 1 | <0.001 |
| Article: Corresponding author’s institution reputation | 0.142 | 0.100 | 2.017 | 1 | 0.08 |
| Journal: Ranking | −0.060 | 0.019 | 10.244 | 1 | <0.001 |
| Journal: Content focus on co-creation | 0.099 | 0.055 | 3.251 | 1 | 0.04 |
| Controls | |||||
| Article: Year of publication | 0.033 | 0.007 | 23.125 | 1 | <0.001 |
| Article: Number of co-creation paragraphs | 0.003 | 0.003 | 0.888 | 1 | 0.17 |
| Article: Empirical/ quantitative | −0.128 | 0.050 | 6.693 | 1 | 0.005 |
| Article: Empirical/qualitative | −0.063 | 0.048 | 1.768 | 1 | 0.09 |
| Journal: Marketing or service journal | 0.021 | 0.087 | 0.058 | 1 | 0.40 |
| Constant thresholds | |||||
| Analytical comprehensiveness = 1 | 66.438 | 13.707 | 23.494 | 1 | <0.001 |
| Analytical comprehensiveness = 2 | 67.272 | 13.708 | 24.085 | 1 | <0.001 |
| Analytical comprehensiveness = 3 | 67.847 | 13.708 | 24.496 | 1 | <0.001 |
| N | 2,951 | ||||
| −2 Log Likelihood | 6,520.08 | ||||
| Chi-square (df) | 1,095.23 | ||||
| p | <0.001 | ||||
| Pseudo R2 | 0.332 | ||||
| Variables and model statistics | |||||
|---|---|---|---|---|---|
| Article: Theoretical role of co-creation | 0.819 | 0.045 | 333.476 | 1 | <0.001 |
| Article: Corresponding author’s institution reputation | 0.142 | 0.100 | 2.017 | 1 | 0.08 |
| Journal: Ranking | −0.060 | 0.019 | 10.244 | 1 | <0.001 |
| Journal: Content focus on co-creation | 0.099 | 0.055 | 3.251 | 1 | 0.04 |
| Article: Year of publication | 0.033 | 0.007 | 23.125 | 1 | <0.001 |
| Article: Number of co-creation paragraphs | 0.003 | 0.003 | 0.888 | 1 | 0.17 |
| Article: Empirical/ quantitative | −0.128 | 0.050 | 6.693 | 1 | 0.005 |
| Article: Empirical/qualitative | −0.063 | 0.048 | 1.768 | 1 | 0.09 |
| Journal: Marketing or service journal | 0.021 | 0.087 | 0.058 | 1 | 0.40 |
| Analytical comprehensiveness = 1 | 66.438 | 13.707 | 23.494 | 1 | <0.001 |
| Analytical comprehensiveness = 2 | 67.272 | 13.708 | 24.085 | 1 | <0.001 |
| Analytical comprehensiveness = 3 | 67.847 | 13.708 | 24.496 | 1 | <0.001 |
| 2,951 | |||||
| −2 Log Likelihood | 6,520.08 | ||||
| Chi-square (df) | 1,095.23 | ||||
| <0.001 | |||||
| Pseudo | 0.332 | ||||