Table S2.

Mentors' reports of mentoring relationships

Mentor reports	Male mentors		Female mentors
	Median	Range	Median	Range	P value
Face-to-face meetings (total no.)	4.00	0–7	4.00	0–7	1.0
% of meetings with career content	50	0–100	50	0–69	0.58
% of meetings with social content	33	0–88	37	0–100	0.70
How career-oriented vs. social were meetings: 1 (career) to 6 (social)	1.92	1–4	2.00	1–6	0.32
Other types of contact (text, social media, email): 1 (not at all) to 6 (very frequent)	2.04	1–6	2.11	1–5	0.33