Table 2

Research questions

AspectList of questions
GeneralWhat is the total number of studies published by year?
What terms are being used to describe the nature of this research?
Which academic communities are most active in health research using data from social media?
Where are study authors located, according to their affiliation?
What is the geographical scope of the social media data analysed in these studies?
For what purposes are social media data being used in this research?
TopicWhich health topics are being studied?
Social Media type Which social media platforms or sites are being used as sources of data?
Extract and analysisWhat units of analysis are being applied?
How are data from social media being extracted and analysed and which proprietary tools are being used?
EthicsHow are ethical considerations applied in the published research?