Higher-order structures of local collaboration networks are associated with individual scientific productivity

EPJ Data Science

Table 5 Fixed-effects Poisson regressions on scientific productivity across fields

Field	Medicine	Biology	Chemistry	Materials science	Computer science	Physics	Psychology	Mathematics	Engineering	Geology
\(\beta _{0}\)	0.078***	0.108***	0.115***	0.097***	0.141***	0.150***	0.160***	0.223***	0.146***	0.131***
\(\beta _{0}\)	(0.00032)	(0.00040)	(0.00054)	(0.00051)	(0.00081)	(0.00108)	(0.00105)	(0.00166)	(0.00161)	(0.00109)
\(\beta _{0}^{2}\)	−0.003***	−0.004***	−0.004***	−0.003***	−0.005***	−0.006***	−0.006***	−0.008***	−0.005***	−0.005***
\(\beta _{0}^{2}\)	(0.00002)	(0.00002)	(0.00003)	(0.00003)	(0.00005)	(0.00008)	(0.00008)	(0.00016)	(0.00010)	(0.00007)
\(\beta _{1}\)	0.085***	0.087***	0.115***	0.097***	0.148***	0.127***	0.169***	0.279***	0.177***	0.129***
\(\beta _{1}\)	(0.00078)	(0.00100)	(0.00119)	(0.00150)	(0.00266)	(0.00260)	(0.00333)	(0.00602)	(0.00603)	(0.00423)

Field	Environmental science	Economics	Sociology	Political science	Business	History	Geography	Art	Philosophy
\(\beta _{0}\)	0.108***	0.244***	0.187***	0.165***	0.237***	0.136***	0.131***	0.132***	0.162***
\(\beta _{0}\)	(0.00264)	(0.00209)	(0.00227)	(0.00296)	(0.00397)	(0.00358)	(0.00297)	(0.00612)	(0.00525)
\(\beta _{0}^{2}\)	−0.004***	−0.009***	−0.009***	−0.005***	−0.009***	−0.004***	−0.005***	−0.004***	−0.006***
\(\beta _{0}^{2}\)	(0.00017)	(0.00025)	(0.00030)	(0.00039)	(0.00045)	(0.00033)	(0.00020)	(0.00046)	(0.00049)
\(\beta _{1}\)	0.081***	0.384***	0.529***	0.410***	0.295***	0.610***	0.195***	−0.296	0.900***
\(\beta _{1}\)	(0.00553)	(0.02750)	(0.07723)	(0.08394)	(0.02797)	(0.12555)	(0.01857)	(0.31150)	(0.14972)

Notes: The coefficients are derived from the same fixed-effects Poisson regressions shown in Table (3-4) model (5); robust standard errors in parentheses; *** p-value < 0.001, ** p-value < 0.01, * p-value < 0.05.