Day | Group ABBA | Group BAAB |
---|---|---|
Friday | Evening urine | Evening urine |
Weekend | No intervention | No intervention |
Monday | Wear respirator | No respirator |
Tuesday | Wear respirator, evening urine | No respirator, evening urine |
Wednesday | No intervention | No intervention |
Thursday | No respirator | Wear respirator |
Friday | No respirator, evening urine | Wear respirator, evening urine |
Weekend | No intervention | No intervention |
Monday | No respirator | Wear respirator |
Tuesday | No respirator, evening urine | Wear respirator, evening urine |
Wednesday | No intervention | No intervention |
Thursday | Wear respirator | No respirator |
Friday | Wear respirator, evening urine | No respirator, evening urine |