Table 3.
Summary Statistics: Stars with and without Kids Info
| No Kids Info | Kids Info | Difference | |||
|---|---|---|---|---|---|
| Mean | Std. Dev. | Mean | Std. Dev. | ||
| Female | 0.171 | 0.376 | 0.104 | 0.305 | 0.067*** |
| MD | 0.298 | 0.457 | 0.416 | 0.493 | −0.118*** |
| PhD | 0.605 | 0.489 | 0.485 | 0.500 | 0.121*** |
| MD/PhD | 0.096 | 0.295 | 0.099 | 0.298 | −0.003 |
| Career Age | 31.136 | 9.381 | 37.490 | 7.832 | −6.354*** |
| Career Publications | 132.705 | 98.441 | 156.548 | 117.037 | −23.844*** |
| Career JIF-Weighted Pubs | 575.952 | 514.264 | 641.981 | 583.944 | −66.029*** |
| Career NIH Amount | 1,8140,879 | 23,592,466 | 21,881,374 | 23,703,597 | −3,740,495*** |
| Career Pubs/Age | 4.364 | 3.022 | 4.283 | 3.195 | 0.081 |
| Career NIH/Age | 579,173 | 734,993 | 584,215 | 598,109 | −5,042 |
| Observations | 6,863 | 3,188 | |||
Notes: The numbers presented in this table are based on the final year the scientist appears in the dataset. See section IIIC for details on how the information on children was collected. Section IIIA provides more information about the construction of the demographic and productivity measures presented. Stars in the last column indicate the results of tests of proportions and t-tests for the equality of means
* p < 0.10
** p < 0.05
***
p < 0.01.