Table 1.

Structure of online resources

Online resource	File name	Content
OR1	Simulating data set	R code to simulate observational data for 60 individuals
OR2	NBDA code 1.2.15	R code NBDA
OR3	Sensitivity functions	R code for simulations on the sensitivity of NBDA to observational error for different cut-off points
OR4	Application to simulated data set	R code where we apply our simulations (OR3) the to the simulated observational data (OR5)
OR5	Simulated observational data	Csv file with simulated observational data
OR6	Social network	Csv file with association matrix resulting from simulated data set
OR7–OR10	Sensitivity summary	Csv files with summary of results of simulations applied to our simulated data set
OR11	How to use the code	Word document with guide on how to apply the sensitivity functions and specify the necessary parameters
OR12	Appendix	Word document that describes the algorithm we used to simulate observational data