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. 2017 Mar 23;40(3):zsw073. doi: 10.1093/sleep/zsw073

Table 1.

Sample Characteristics (Nondepressed Subjects Prior to Internship, N = 1215).

Age M ± SD: 27.48 ± 2.70 years
Sex (female) N = 591; 48.9%
Depression History (positive) N = 514; 42.3%
Race
 White 62.3%
 Black 3.6%
 Asian or Pacific Islander 22.4%
 Latino 3.9%
 Native American 0.1%
 Multiracial 4.3%
 “Other” 4.4 %
Specialty
 Internal medicine 35.8%
 Surgery 11.4%
 Obstetrics and gynecology 4.5%
 Pediatrics 11.4%
 Psychiatry 5.9%
 Emergency medicine 6.2%
 Internal medicine/pediatrics 2.2%
 Family practice 5.6%
 “Other” 16.0
 Transitional 1.0%

Note. Depression history reported in response to “To the best of your recollection, have you EVER experienced an episode of depression (a two week period of your life when you felt down or lost interest or pleasure in your usual activities and also had difficulty concentrating or noticed changes in sleep, appetite, energy or experienced thoughts of death or feelings of guilt)?”