get_exposure_time function

Calculate Exposure Time

This auxiliary function calculates the exposure time of individuals starting from the t0_follow_up date defined based on whether a matching strategy is invoked or not. The end of the exposure time is assigned based on the follow hierarchy outcome_status -> censoring_date -> end_cohort

get_exposure_time(data_set, outcome_date_col, censoring_date_col, end_cohort)

Arguments

• data_set: data.frame with cohort information.
• outcome_date_col: Name of the column that contains the outcome dates.
• censoring_date_col: Name of the column that contains the censoring date.
• end_cohort: End date of the study.

Returns

column with exposure time per individual.