In each iteration, each non-participating household updates their decision to participate the cooperation or not based on cooperation fee it needs to pay and the number of neighbors that have already participated.
Demographic and immunization data are collected during 4-monthly rounds whereby every household is visited and details of every individual in the household updated, including new members (through birth or entry into the surveillance area).
(ii) Iteration at time t, Households update their state through kinship ties and neighbourhood ties simultaneously.
In each round, households update their decisions, to keep working hard, to shirk or to exit the team (in the exit-right scenario) according to their payoff as a result of the decision of their fellow households.
Households updates their propensity to participate the cooperation according to the number of their neighbors that have already participated.
Annual household surveillance update rounds have identified all deaths occurring in the population, and these have been followed up with VA interviews, undertaken by specifically trained interviewers 1 11 months after death.
4. Community based health information system functionality, measured by the coverage of households registered in the unit, frequency of household register updates, and number of monthly chalk board updates.
In each village, households were randomly selected for interview using household lists updated by the National Institute of Statistics for the 2011 national census.
Regular household census updates at each HDSS site allow for continuous, household-level monitoring of all vital events (births, deaths and migrations) in the defined population.
Analysis in Agincourt HDSS has thus not utilized a proper spatial (and spatial temporal) analysis of mortality or other outcomes, especially since this and other HDSS sites keep track of the coordinates of all households and update these regularly.
