From: Measuring costs of data collection at village clinics by village doctors for a syndromic surveillance system-a cross sectional survey from China
Variables
Units
Area
2035 km2
Population
386,000
Annual income per capita of rural residents
7400 RMBa
No. of towns
21
No. of villages
182
No. of village clinics
206
No. of village doctors
579
Incidence of infectious diseaseb
668/105/year