Table 4.

Exposures and odds ratios for struggling in residency

Exposure	Unadjusted OR (95% CI)
Medical school completion time:
+1 year	1.28 (1.05–1.57)
+2 years	1.65 (1.10–2.48)
+3 years	2.12 (1.15–3.90)
+5 years	3.50 (1.26–9.67)
+10 years	12.23 (1.60–93.48)
No. of medical school re-examinations:
2	1.13 (1.01–1.27)
4	1.28 (1.02–1.61)
6	1.44 (1.03–2.04)
8	1.63 (1.03–2.58)
10	1.85 (1.04–3.27)

OR = Unadjusted odds ratios; 95% CI = 95% confidence intervals for the OR.