TABLE 3.

Important predictor variables for PJR factor scores

Variable name	Variable description
Diff in SE	Post–pre difference in research self-efficacy
Diff in BM	Post–pre difference in likelihood of pursuing a biomedical research career
SATIS	Sum score for satisfaction with mentoring relationship
ATT	Sum score for attitudes toward science
Diff in SI	Post–pre difference in science identity
DIV	Sum score for diversity
preSI	Pre sum score for science identity
PG	Sum score for personal gains
RS	Sum score for research skills
TWS	Sum score for thinking and working like a scientist
MCA	Sum score for mentor competency scale
DIV	Sum score for mentors’ skills in discussing diversity with the mentees and valuing and respecting cultural differences
TR	Total number of months of prior research experience
Born in US	Indicator variable, with “1” indicating born in the United States