Table 10 . Predicted preference impact (percentage) of retention strategy packages for medical students .

Potential retention strategy	Salary increase
	+0%	+25%	+50%	+75%
Package A
Ensure adequate and functional health facility infrastructure	97.34%	98.64%	99.30%	99.65%
Reassignment to urban area after 3 years in rural post
Provide good housing
Preferential admission for in-service training after 4 years rural service
Package B
Ensure adequate and functional health facility infrastructure	95.94%	97.91%	98.93%	99.46%
Reassignment to urban area after 3 years in rural post
Provide good housing
Package C
Ensure adequate and functional health facility infrastructure	93.21%	96.43%	98.24%	99.07%
Provide good housing
Preferential admission for in-service training after 4 years rural service
Package D
Ensure adequate and functional health facility infrastructure	92.12%	95.85%	97.85%	98.92%
Reassignment to urban area after 3 years in rural post
Package E
Ensure adequate and functional health facility infrastructure	89.82%	94.57%	97.17%	98.57%
Provide good housing
Package F
Reassignment to urban area after 3 years in rural post	89.38%	94.32%	97.04%	98.50%
Provide good housing
Preferential admission for in-service training after 4 years rural service
Package G
Ensure adequate and functional health facility infrastructure	87.07%	93.00%	96.33%	98.14%
Preferential admission for in-service training after 4 years rural service
Package H
Ensure adequate and functional health facility infrastructure	81.32%	89.52%	94.43%	97.10%
Package I
Provide good housing	75.80%	86.08%	92.43%	96.01%
Preferential admission for in-service training after 4 years rural service
Package J
Provide good housing	66.95%	79.97%	88.76%	94.06%
Package K
Preferential admission for in-service training after 4 years rural service	60.73%	75.32%	85.77%	92.36%