Table 2.

Categorisation of the 76 data sharing strategy articles

Sub-theme of health and medical research	Category (numbers)	Empirical or descriptive data	None or little empirical or descriptive data
Psychology	Data system ( 2 )	2[33, 34]
Genetics	Data system ( 14 )	12[19, 35–45]	2[46, 47]
	Collaboration and data system ( 1 )		1[25]
	Collaboration ( 1 )		1[48]
Other (health and medical research)	Data system ( 41 )	35 [19–21, 49–80]	6 [81–86]
	Collaboration and data system ( 7 )	7 [22, 23, 87–91]
	Collaboration ( 6 )	3[24, 92, 93]	3 [94–96]
	Policy ( 3 )	2[26, 97]	1[98]
	Campaign ( 1 )		1[27]