Table 4.
Joinpoint analysis of trends in percutaneous injury rates in 2007–2016. Annual Percent Change (APC) and 95% CI are reported for the entire period or for two periods in case of joinpoint(s) ^.
| Periods | 2007–2016 | |
|---|---|---|
| 2007–2012 | 2012–2016 | |
| Overall | −15.8 (−23.6; −8.0) | 2.4 (−8.4; 13.1) |
| by job title | ||
| Nurses | −18.5 (−27.6; −9.5) | 7.7 (−5.0; 20.4) |
| Nurse assistants | −15.4 (−32.9; 2.2) | |
| in nurses, by shift schedule | ||
| Day shift only | −20.9 (−29.8; −12.0) | |
| Day/evening shift | −12.8 (−30.9; 5.4) | |
| Day/evening/night shift | −19.4 (−27.9; −10.9) | 13.5 (1.5; 25.5) |
^: APCs and 95% confidence intervals estimated by the joinpoint regression model. The number and the position of joinpoints selected by the model using the Bayesian Information Criteria method.