STUDY DAY | 1 | 2 | 3 | 4 | 5 |
---|---|---|---|---|---|
LAB VISIT | 1 | 2 | 3 | ||
Lab smoking – tobacco cigarette | X | ||||
Lab smoking – ENDS | X | X | |||
Field smoking – tobacco cigarette | X | ||||
Field smoking – ENDS | X | X | X | ||
Breath | X | X | X | ||
Saliva | X | X | |||
Urine | X | X | |||
Questionnaires | X | X | X | ||
QSU (pre and post product use) | X | X | X | ||
CES (post product use only) | X | X | X |