updates to run in opensafely - error of integer
updated names of some variables
updated as exponentiating of values was not being incorporated in final output of function following last update
No update needed to combine_model.R - checked that this runs ok
updates to run in opensafely - error of integer updated names of some variables updated as exponentiating of values was not being incorporated in final output of function following last update
No update needed to combine_model.R - checked that this runs ok