Participant ID
Follow-up time
Event indicator
First month on treatment
Confounder/mediator at month 0
Confounder/mediator at month 6
Confounder/mediator at month 12
Confounder/mediator at month 18
Confounder/mediator at month 24
Confounder/mediator at month 30
Confounder/mediator at month 36
Confounder/mediator at month 42
Confounder/mediator at month 48