Table 1.

Summary of typhoid transmission model types.

Characteristic	Number of models (n = 7)	References
Type of model
Compartmental
Deterministic	6	[18], [19], [20], [21], [22], [23], [24]
Stochastic	0
Individual-based stochastic	1	[25]
Scope of model
Analytical/mathematical
Without data	1	[22]
Uses data without fitting	1	[23]
Exploratory/epidemiological
Uses data without fitting	1	[21]
Fitted to data	1	[25]
Policy-oriented/public health
Uses data without fitting	2	[18], [19], [20]
Fitted to data	1	[24]
Parameter-fitting method
Maximum likelihood estimation	2 of 2	[24], [25]
Bayesian	0
Investigates vaccination	4	[18], [19], [20], [21], [24]
Compares with improved sanitation, hygiene or water supply	4 of 4	[18], [19], [20], [21], [24]
Include economic evaluation of vaccination	2 of 4	[18], [19], [20]