Phillips, EK (2012) Percutaneous injuries before and after the Needlestick Safety and Prevention Act.
Country	US
Aim	To determine whether the Needlestick Safety and Prevention Act (NSPA) had an effect on the rate of percutaneous injuries among hospital employees.
Target population	Occupation: health care workers in hospitals
	Industry: Q—Human health and social work activities
	Setting: 050 Health establishment
	Firm size: 250+(large)
Study design	ITS with comparison conditions: 1. Simple serial measures (No comparison)
	Unit of analysis: Group/organizational level
	Sample size: 85 hospitals with 23,908 injuries from 1995 to 2005 = 2173/year
Type of intervention	2.2.7 Enforcement of laws and regulations
Evaluation design	Duration of intervention: Ongoing once Prevention Act in place.
	Duration of follow‐up: 4 = Long‐term (>36 months)
	Type of outcome measure: Injury
Study quality	Low quality