Table 2.

Questionnaire checklist used to retrieve relevant information from the references reviewed

Item	Detail
Bibliographic information	Year of publication, or Year of first release in the case of some indexes
Background and overview	Purpose and scope Theoretical or conceptual basis
Method	QOL dimensions (including domains, components, or their equivalent) and indicators considered Whether subjective well-being is considered Weighting and aggregation methods used Types of data used (i.e., whether based on: (i) statistics such as census; (ii) questionnaire surveys; or (iii) other types of data such as remote sensing and geographic information systems (GIS) data) Value range and unit of final index
Unit of analysis	Location and spatial scale (e.g., administrative level)