Overview of “Systematic Reviews” of the Built Environment’s Effects on Mental Health

Table 1

Classification of the conclusions according to the results reported by authors.

Classification	Definition
Unclear	The direction of results differed within reviews due to conflicting results or limitations of individual studies
No effect	The conclusions provided evidence of no difference between intervention and comparator
Probably harmful	The conclusions did not claim for firm harmful effect despite the reported negative treatment effect
Harmful	The conclusions were reported as clearly indicative of a harmful effect
Probably beneficial	The conclusions did not claim for firm benefits despite the reported positive treatment effect
Beneficial	The conclusions reported a clear beneficial effect without major concerns regarding the supporting evidence