Table 1 Results of the three fitted generalised linear mixed models with journals as random effect.
Models | |||
|---|---|---|---|
Summary results | Log(timelag) ~ year + (1 | journal) | Log(timelag_non_covid) ~ year + (1 | journal) | Log(timelag_rev) ~ covid + discipline + authors + pages + (1 | journal) |
Number of articles | 5787 | 5368 | 1363 |
REML criterion | 8925.6 | 7138.8 | 2179.5 |
Intercept | Estimate = 5.158; CI [5.011, 5.305] t-value = 70.880; p < 0.001 | Estimate = 5.123; CI [4.989, 5.255] t-value = 77.618; p < 0.001 | Estimate = 3.882; CI [3.522, 4.226] t-value = 20.592; p < 0.001 |
Fixed effect (2020) | Estimate = −0.149; CI [−0.181, −0.116] t-value = −9.001; p < 0.001 | Estimate = 0.032; CI [0.024, 0.086] t-value = 3.479; p < 0.001 | Not applicable |
Fixed effect (2019) | Estimate = −0.011; CI [-0.044, 0.023] t-value = −0.607; p = 0.544 | Estimate = 0.014; CI [−0.016, 0.044] t-value = 0.884; p = 0.376 | Not applicable |
Fixed effect (COVID-19) | Not applicable | Not applicable | Estimate = −0.176; CI [−0.668, −0.462] t-value = −10.755; p < 0.001 |
Fixed effect (Discipline) | Not applicable | Not applicable | Estimate = 0.013; CI [−0.628, 0.640] t-value = 0.039; p = 0.9708 |
Fixed effect (Number of authors) | Not applicable | Not applicable | Estimate = 0.007; CI [0.0003, 0.0131] t-value = 2.091; p < 0.05 |
Fixed effect (Number of pages) | Not applicable | Not applicable | Estimate = 0.006; CI [−0.001, 0.014] t-value = 1.457; p = 0.1453 |
