Table 3.

Univariable and multivariable logistic regression models predictive of first-author and any-author publications (n = 227).

Dependent Variable:	First-Author Publication		Any-Author Publication
Variable:	OR (95% CI)	p-Value	OR (95% CI)	p-Value
Univariable:
Male vs. Female	0.80 (0.47, 1.36)	0.410	0.78 (0.45, 1.34)	0.371
Cohort (vs. 2005–2007)		0.365		0.351
2008–2010	1.06 (0.47, 2.37)	0.895	1.12 (0.51, 2.47)	0.780
2011–2013	1.71 (0.78, 3.79)	0.184	1.94 (0.87, 4.36)	0.108
2014–2016	1.62 (0.72, 3.63)	0.245	1.35 (0.60, 3.03)	0.464
Institution Size		0.135		0.130
Medium vs. Small	1.67 (0.67, 4.18)	0.270	1.92 (0.80, 4.60)	0.142
Large vs. Small	2.45 (0.95, 6.30)	0.063	2.55 (1.02, 6.33)	0.044
a Institution (vs. Other)		0.174		0.080
A	2.24 (1.19, 4.22)	0.013	1.61 (0.83, 3.12)	0.158
B	0.27 (0.07, 0.98)	0.047	0.54 (0.19, 1.55)	0.252
C	2.77 (0.83, 9.26)	0.099	8.38 (1.07, 65.63)	0.043
D	0.46 (0.16, 1.35)	0.156	0.42 (0.15, 1.15)	0.093
E	1.53 (0.68, 3.43)	0.304	1.33 (0.57, 3.12)	0.507
F	0.56 (0.19, 1.69)	0.305	0.40 (0.14, 1.18)	0.097
G	0.56 (0.17, 1.93)	0.362	0.63 (0.20, 2.02)	0.435
H	0.67 (0.28, 1.60)	0.365	0.51 (0.22, 1.19)	0.117
I	1.48 (0.39, 5.64)	0.570	2.32 (0.47, 11.45)	0.300
J	1.17 (0.29, 4.79)	0.828	1.08 (0.25, 4.62)	0.920
K	1.04 (0.39, 2.79)	0.945	3.24 (0.90, 11.60)	0.071
L	1.00 (0.32, 3.06)	0.994	1.48 (0.44, 4.97)	0.523
Multivariable:
Male vs. Female	0.83 (0.49, 1.43)	0.511	0.82 (0.47, 1.42)	0.472
Cohort (vs. 2005–2007)		0.379		0.395
2008–2010	1.03 (0.46, 2.34)	0.940	1.11 (0.50, 2.47)	0.805
2011–2013	1.66 (0.75, 3.71)	0.214	1.89 (0.84, 4.28)	0.127
2014–2016	1.63 (0.72, 3.69)	0.241	1.35 (0.60, 3.06)	0.468
Institution Size		0.128		0.145
Medium vs. Small	1.61 (0.64, 4.05)	0.316	1.84 (0.76, 4.44)	0.175
Large vs. Small	2.44 (0.94, 6.33)	0.066	2.49 (0.99, 6.24)	0.052

OR = odds ratio, CI = confidence interval; p-values < 0.05 shown in bold; ^a not considered for multivariable modelling.