Table 2.

Survey results comparing pre- and post-duty hour modification survey results. Mean values represent location on a traditional 5-point Likert scale. Statistically significant differences are identified in bold text

Aspects of senior resident self/work affected by 24 h call shifts	Pre-intervention	Post-intervention		Number perceiving improvement
Senior resident wellness	Mean (SD)	Mean (SD)	p-value	# (%)
Allows general wellness	2.70 (0.64)	3.06 (0.71)	0.04	13 (56.52)
Allows exposure to personal harm	3.72 (0.82)	2.91 (1.06)	0.0003	17 (73.91)
Causes conflicting role demands	3.27 (0.83)	2.85 (0.68)	0.08	13 (56.52)
Allows healthy relationships	2.70 (0.88)	3.13 (0.81)	0.09	10 (43.48)
Causes feelings of isolation	3.39 (1.03)	2.96 (1.07)	0.02	9 (39.13)
Ability to deliver health care
Allows potential for error	3.15 (0.76)	2.47 (0.68)	0.0001	17 (73.91)
Allows clinical skill expertise	3.39 (0.72)	3.91 (0.52)	0.0004	17 (73.91)
Allows continuity of patient care	4.13 (0.87)	4.22 (0.6)	0.6	6 (26.09)
Causes expenditure of emotional labour	1.84 (0.74)	1.75 (0.56)	0.58	8 (34.78)
Allows work efficiency	3.72 (0.75)	4.14 (0.33)	0.001	14 (60.87)
Medical education experience
Allows successful teaching	3.12 (0.82)	3.81 (0.59)	0.0009	17 (73.91)
Allows medical skills proficiency	3.58 (0.88)	4.04 (0.73)	0.001	16 (69.57)
Allows successful learning	3.52 (0.57)	4.00 (0.56)	0.003	15 (65.22)
Allows staff physician supervision	3.23 (0.75)	3.38 (0.59)	0.37	7 (30.43)
Causes rotation disruptions	3.29 (0.88)	2.84 (0.85)	0.04	14 (60.87)