Table 3.

The results of fitting the Zero Inflated Negative Binomial (ZINB) regression model on the number of medication errors of nurses

Variable	IRR*(%95 CI)	P-value
Age	0.98 (0.1–96.01)	0.250
Gender (reference: Male)	0.99 (0.1–7.39)	0.951
Marital status (reference: Single)	1.21 (0.1–85.71)	0.294
Employment type (reference: Permanent)
Contract	1.08 (0.1–60.96)	0.789
Corporative	1.76 (1.2–15.69)	0.009
Bonded	0.73 (0.1–45.19)	0.210
Shift work (reference: Night)
Morning	0.65 (0.0–5.85)	0.001
Evening	0.69 (0.0–52.92)	0.011

*Incidence Rate Ratio