Table 3.

Rates of assaults and verbal aggression per week per nurse by shift and time of week

	Verbal rate (CI)	Physical rate (CI)	Overall* rate (CI)
Overall	0.60 (0.57, 0.62)	0.19 (0.18, 0.21)	0.68 (0.65, 0.70)
Shift
Day	0.68 (0.64, 0.72)	0.19 (0.17, 0.21)	0.77 (0.72, 0.81)
Evening	0.63 (0.59, 0.67)	0.25 (0.22, 0.28)	0.74 (0.70, 0.79)
Night	0.42 (0.38, 0.46)	0.12 (0.10, 0.14)	0.46 (0.42, 0.50)
Time of week
Weekday	0.59 (0.56, 0.61)	0.18 (0.17, 0.20)	0.66 (0.63, 0.69)
Weekend	0.62 (0.58, 0.67)	0.22 (0.19, 0.25)	0.71 (0.66, 0.76)

^*A single incident could include both verbal and physical aggression.