. Author manuscript; available in PMC: 2015 Aug 21.

Published in final edited form as: J Hypertens. 2011 Sep;29(9):1693–1699. doi: 10.1097/HJH.0b013e328349ba18

Table 4.

Strengths and weaknesses of the literature

Countries	Strengths	Weakness
United States and Canada (six studies)	Employed advanced mathematical modeling.	Lack of specific intervention strategies.
	Used high-quality data on health and medical costs.	Lack of costs for implementing interventions.
Rest of the world (five studies)	Evaluated specific interventions.	Lack of data on health and medical costs.
	Analyzed costs of implementation.
Overall (11 studies)	All studies evaluated population-wide interventions.	Not a complete cost-effectiveness analysis.
	All focused on general population.