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. 2022 Feb 2;17(2):e0263185. doi: 10.1371/journal.pone.0263185

Table 1. Participant samples used for each analysis.

Analysis Dataset Description Employment sectors
Postdoctoral employment sectors (n = 81,539) SED Received a doctoral degree in LS or PSE between 2009 and 2018 and took a postdoc position at graduation (i.e., indicated took postdoc in their SED responses) Academic, government, industry, non-U.S., non-profit
Permanent employment (n = 71,880) SED Received a doctoral degree in LS or PSE between 2009 and 2018 and took a permanent position at the time of graduation (i.e., indicated did not take a postdoc in their SED responses) Academic, government, industry, non-U.S., non-profit
Postdoc length (n = 11,008) SED, SDR Respondents in LS and PSE who were in Years 2 through 8 of their employment following employment in a postdoc at graduation Academic, government, industry, non-U.S., non-profit (at graduation)
Reasons for remaining in a postdoc (n = 1,313) SED, SDR Respondents in LS and PSE who took a postdoc at graduation and held a postdoc position two years later Academic, government, industry, non-U.S., non-profit (at Year 2)
Movement between sectors (n = 1,985) SED, SDR Respondents in LS and PSE who took a postdoc at graduation and held permanent employment at Year 5–6 Academic, industry, government (at graduation and at Year 5–6)
Initial Salaries (n = 58,205) SED Respondents in LS and PSE who took a postdoc at graduation and filled out their starting salary information Academic, government, industry, non-U.S., non-profit (at graduation)
Salary gaps in subsequent permanent employment (n = 2,631) SED, SDR Respondents in LS and PSE who took a postdoc or permanent employment at graduation, held permanent employment at Year 5–6, and filled out their Year 5–6 salary information in the SDR Academic, government (at graduation); Academic, industry, government (at Year 5–6)