| AGEPHD |
Age at the date of the doctorate; 0 if age is missing. |
| ASIAN |
1 if race is Asian; 0 otherwise. |
| BAINT |
1 if bachelor's degree earned outside the United States; 0 otherwise. |
| BIO |
1 if doctoral field is biology; 0 otherwise. |
| BLACK |
1 if race is black; 0 otherwise. |
| CHEM |
1 if doctoral field is chemistry; 0 otherwise. |
| CHEMENG |
1 if doctoral field is chemical engineering; 0 otherwise. |
| COMP |
1 if doctoral field is computer science; 0 otherwise. |
| DEP6 |
Number of dependents under age 6 living at home; 0 if missing. |
| DEP63 |
Number of dependents under age 6 living at home, three survey waves since doctorate; 0 if missing. |
| DEP66 |
Number of dependents under age 6 living at home, six survey waves since doctorate; 0 if missing. |
| DEP183 |
Number of dependents between ages 6 and 18 living at home, three survey waves since doctorate; 0 if missing. |
| DEP186 |
Number of dependents between ages 6 and 18 living at home, six survey waves since doctorate; 0 if missing. |
| DEP618 |
Number of dependents between ages 6 and 18 living at home; 0 if missing. |
| EAOSCI |
1 if doctoral field is earth, atmospheric, or oceanic science; 0 otherwise. |
| ECON |
1 if doctoral field is economics; 0 otherwise. |
| ELECENG |
1 if doctoral field is electrical engineering; 0 otherwise. |
| EMPDOC |
1 if employed at doctoral institution; 0 otherwise. |
| EMPPRI |
1 if employed at private institution; 0 otherwise. |
| EMPRES |
1 if employed at research institution; 0 otherwise. |
| ENG |
1 if doctoral field is engineering; 0 otherwise. |
| FDEP6 |
FEMALE times number of dependents under age 6 living at home. |
| FDEP63 |
FEMALE times number of dependents under age 6 living at home, three survey waves since doctorate. |
| FDEP66 |
FEMALE times number of dependents under age 6 living at home, six survey waves since doctorate. |
| FDEP183 |
FEMALE times number of dependents between ages 6 and 18 living at home, three survey waves since doctorate. |
| FDEP186 |
FEMALE times number of dependents between ages 6 and 18 living at home, six survey waves since doctorate. |
| FDEP618 |
FEMALE times number of dependents between ages 6 and 18 living at home. |
| FELLOW |
1 if primary support is fellowship; 0 otherwise. |
| FEMALE |
1 if sex is female; 0 otherwise. |
| FMAR3 |
1 if female and married, three survey waves since doctorate; 0 otherwise. |
| FMAR6 |
1 if married and married, six survey waves since doctorate; 0 otherwise. |
| FMARRIED |
1 if female and married; 0 otherwise. |
| FSWI |
1 if switched fields between bachelor's, master's or doctoral degree; 0 otherwise. |
| HCAPPHD |
1 if individual reported being handicapped at time of earning doctorate; 0 otherwise. |
| HEALTH |
1 if doctoral field is health; 0 otherwise. |
| HISPAN |
1 if ethnicity is Hispanic; 0 otherwise. |
| MAGEPHD |
1 if age at the date of the doctorate is missing; 0 otherwise. |
| MAR3 |
1 if married, three survey waves since doctorate; 0 otherwise. |
| MAR6 |
1 if married, six survey waves since doctorate; 0 otherwise. |
| MARRIED |
1 if married; 0 otherwise. |
| MATH |
1 if doctoral field is mathematics; 0 otherwise. |
| MATHCOMP |
1 if doctoral field is mathematics or computer science; 0 otherwise. |
| MBAINT |
1 if bachelor's degree earned outside the United States is missing; 0 otherwise. |
| MCITPHD |
1 if citizenship status at time of doctorate is missing; 0 otherwise. |
| MDEP |
1 if number of children living at home is missing; 0 otherwise. |
| MDEP3 |
1 if number of children living at home is missing, three survey waves since doctorate; 0 otherwise. |
| MDEP6 |
1 if number of children living at home is missing, six survey waves since doctorate; 0 otherwise. |
| MEMPCARN |
1 if Carnegie classification of employing institution is missing; 0 otherwise. |
| MEMPPRI |
1 if employed at private institution is missing; 0 otherwise. |
| MFSWI |
1 if switched fields between bachelor's, master's or doctoral degree is missing; 0 otherwise. |
| MHCAPPHD |
1 if handicap status at time of earning doctorate is missing; 0 otherwise. |
| MMAR3 |
1 if marital status is missing, three survey waves since doctorate; 0 otherwise. |
| MMARRIED |
1 if marital status is missing; 0 otherwise. |
| MPDOCP |
1 if planning a postdoctoral appointment at time of doctorate is missing; 0 otherwise. |
| MPSOURC |
1 if primary support is missing; 0 otherwise. |
| MRACE |
1 if race/ethnicity is missing; 0 otherwise. |
| MTTD1 |
1 if years elapsed between graduate school entry and doctorate is missing; 0 otherwise. |
| NATAMER |
1 if Native American; 0 otherwise. |
| NATUPHD |
1 if naturalized citizen at time of doctorate; 0 otherwise. |
| OPSCI |
1 if doctoral field is other physical science; 0 otherwise. |
| OSSCI |
1 if doctoral field is other social science; 0 otherwise. |
| OTHENG |
1 if doctoral field is other engineering; 0 otherwise. |
| PDOCP |
1 if planning a postdoctoral appointment at time of doctorate; 0 otherwise. |
| PEMPDOA |
Percent of time employed at doctoral institution before promotion to associate professor, if promoted; otherwise percent of time employed at doctoral institution before 1997 SDR survey wave. |
| PEMPDOF |
Percent of time employed at doctoral institution before promotion to full professor, if promoted; otherwise percent of time employed at doctoral institution before 1997 SDR survey wave. |
| PEMPDOL |
Percent of time employed at doctoral institution before tenure, if tenured; otherwise percent of time employed at doctoral institution before 1997 SDR survey wave. |
| PEMPRSA |
Percent of time employed at research institution before promotion to associate professor, if promoted; otherwise percent of time employed at research institution before 1997 SDR survey wave. |
| PEMPRSF |
Percent of time employed at research institution before promotion to full professor, if promoted; otherwise percent of time employed at research institution before 1997 SDR survey wave. |
| PEMPRSL |
Percent of time employed at research institution before tenure, if tenured; otherwise percent of time employed at research institution before 1997 SDR survey wave. |
| PERMPHD |
1 if permanent resident at time of doctorate; 0 otherwise. |
| PHD70S |
1 if doctorate earned during the 1970s; 0 otherwise. |
| PHD80S |
1 if doctorate earned during the 1980s; 0 otherwise. |
| PHYSICS |
1 if doctoral field is physics; 0 otherwise. |
| PHYSOTH |
1 if doctoral field is physics or other physical science; 0 otherwise. |
| PMASO |
Percent of time rank is missing before promotion to associate professor, if promoted; otherwise percent of time rank is missing before 1997 SDR survey wave. |
| PMCRGA |
Percent of time Carnegie classification of employing institution is missing before promotion to associate professor, if promoted; otherwise percent of time Carnegie classification of employing institution is missing before 1997 SDR survey wave. |
| PMCRGF |
Percent of time Carnegie classification of employing institution is missing before promotion to full professor, if promoted; otherwise percent of time Carnegie classification of employing institution is missing before 1997 SDR survey wave. |
| PMCRGL |
Percent of time Carnegie classification of employing institution is missing before tenure, if tenured; otherwise percent of time Carnegie classification of employing institution is missing before 1997 SDR survey wave. |
| PMFULL |
Percent of time rank is missing before promotion to full professor, if promoted; otherwise percent of time rank is missing before 1997 SDR survey wave. |
| PMTENL |
Percent of time tenure status is missing before tenure, if tenured; otherwise percent of time tenure status is missing before 1997 SDR survey wave. |
| PMWAA |
Percent of time primary work activity is missing before promotion to associate professor, if promoted; otherwise percent of time primary work activity is missing before 1997 SDR survey wave. |
| PMWACF |
Percent of time primary work activity is missing before promotion to full professor, if promoted; otherwise percent of time primary work activity is missing before 1997 SDR survey wave. |
| PMWAL |
Percent of time primary work activity is missing before tenure, if tenured; otherwise percent of time primary work activity is missing before 1997 SDR survey wave. |
| PNACAFA |
Percent of time not employed full time in academia before promotion to associate professor, if promoted; otherwise percent of time not employed full time in academia before 1997 SDR survey wave. |
| PNACAFF |
Percent of time not employed full time in academia before promotion to full professor, if promoted; otherwise percent of time not employed full time in academia before 1997 SDR survey wave. |
| PNACAFT |
Percent of time not employed full time in academia before tenure, if tenured; otherwise percent of time not employed full time in academia before 1997 SDR survey wave. |
| PNTRAC |
Percent of time not on tenure track before tenure, if tenured; otherwise percent of time not on tenure track before 1997 SDR survey wave. |
| POLYSCI |
1 if doctoral field is political science; 0 otherwise. |
| PRANKNA |
Percent of time rank is not applicable before promotion to full professor, if promoted; otherwise percent of time rank is not applicable before 1997 SDR survey wave. |
| PRESCHA |
Percent of time primary work activity is research before promotion to associate professor, if promoted; otherwise percent of time primary work activity is research before 1997 SDR survey wave. |
| PRESCHF |
Percent of time primary work activity is research before promotion to full professor, if promoted; otherwise percent of time primary work activity is research before 1997 SDR survey wave. |
| PRESCHL |
Percent of time primary work activity is research before tenure, if tenured; otherwise percent of time primary work activity is research before 1997 SDR survey wave. |
| PRNKANA |
Percent of time rank is not applicable before promotion to associate professor, if promoted; otherwise percent of time rank is not applicable before 1997 SDR survey wave. |
| PSYCH |
1 if doctoral field is psychology; 0 otherwise. |
| PTEACHA |
Percent of time primary work activity is teaching before promotion to associate professor, if promoted; otherwise percent of time primary work activity is teaching before 1997 SDR survey wave. |
| PTEACHF |
Percent of time primary work activity is teaching before promotion to full professor, if promoted; otherwise percent of time primary work activity is teaching before 1997 SDR survey wave. |
| PTEACHL |
Percent of time primary work activity is teaching before tenure, if tenured; otherwise percent of time primary work activity is teaching before 1997 SDR survey wave. |
| RA |
1 if primary support is research assistantship; 0 otherwise. |
| RANK1 |
2 rank is full; 1 if rank is associate; 0 otherwise. |
| SAD |
1 if doctoral field is sociology, anthropology, or demography; 0 otherwise. |
| TA |
1 if primary support is teaching assistantship; 0 otherwise. |
| TEMPPHD |
1 if temporary resident at time of doctorate; 0 otherwise. |
| TENURED |
1 if tenured; 0 otherwise. |
| TRAC |
1 if on tenure track; 0 otherwise. |
| TRAIN |
1 if primary support is traineeship; 0 otherwise. |
| TTD1 |
Years elapsed between graduate school entry and doctorate; 0 if missing. |
| WAOTH |
1 if primary work activity is not teaching or research; 0 otherwise. |
| WATEACH |
1 if primary work activity is teaching; 0 otherwise. |
| WAVE83 |
1 if SDR survey wave is 1983; 0 otherwise. |
| WAVE85 |
1 if SDR survey wave is 1985; 0 otherwise. |
| WAVE87 |
1 if SDR survey wave is 1987; 0 otherwise. |
| WAVE89 |
1 if SDR survey wave is 1989; 0 otherwise. |
| WAVE91 |
1 if SDR survey wave is 1991; 0 otherwise. |
| WAVE93 |
1 if SDR survey wave is 1993; 0 otherwise. |
| WAVE95 |
1 if SDR survey wave is 1995; 0 otherwise. |
| WAVE97 |
1 if SDR survey wave is 1997; 0 otherwise. |
| YRPHD15 |
1 if years since doctorate is 15; 0 otherwise. |
| YRPHD21 |
1 if years since doctorate is 21; 0 otherwise. |
| YRPHD9 |
1 if years since doctorate is 9; 0 otherwise. |
| YRSASO |
Years elapsed between doctorate and promotion to associate professor, if promoted; otherwise, years elapsed between doctorate and 1997 survey wave. |
| YRSFULL |
Years elapsed between doctorate and promotion to full professor, if promoted; otherwise, years elapsed between doctorate and 1997 survey wave. |
| YRSTEN |
Years elapsed between doctorate and tenure, if tenured; otherwise, years elapsed between doctorate and 1997 survey wave. |
