Haviland, AM (2012) A new estimate of the impact of OSHA inspections on manufacturing injury rates, 1998–2005. Study arm: Programmed inspections
Country	US
Aim	(1) Measure the average effect of inspections with and without penalties 1998–2005 and the timing of these effects. (2) Identify particular types of inspections and workplaces where the effects have been larger and smaller.
Target population	Occupation: static
	Industry: C—Manufacturing
	Setting: 010 Industrial site
	Firm size: Mixed firm size
Study design	CBA with comparison conditions: TAU (Treatment as usual)
	Unit of analysis: Group/organizational level
	Sample size: Industrial businesses on one site with >10 employees in Pennsylvania w restrictions applied = 8645 firms with 44,821 firm‐years of observation
Type of intervention	2.2.7 Enforcement of laws and regulations
Evaluation design	Duration of intervention: Inspections are short‐term (generally a day).
	Duration of follow‐up: 3 = Medium‐term (12–36 months)
	Type of outcome measure: Injury
Study quality	Low quality