Table 2.

Overall outcomes based on the categories of retention strategies

Authors (Year)	Categories of Retention Strategies				Overall Outcome
	Education	Financial incentives	Regulatory	Professional and personal support
Arora et al. (2017) [32]	X		X		Successful
Boonluksiri et al. (2018) [33]	X		X		Successful
De Mesa et al. (2023) [39]		X		X	Mixed Outcome
Gow et al. (2013) [38]		X		X	Not Successful
Gyedu et al. (2019) [29]	X				Successful
Hutch et al. (2017) [27]	X				Successful
Lisam et al. (2015) [37]		X			Successful
Pagaiya, Kongkam and Sriratana (2015) [30]	X		X		Successful
Prashad et al. (2017) [34]	X				Successful
Qureshi et al. (2013) [28]	X				Successful
Sirili et al. (2018) [36]		X		X	Not Successful
Techakehakij and Arora (2017) [31]	X		X		Successful
Zimmerman et al. (2016) [35]	X	X	X	X	Successful