Table 1.

Affective response to sampling: stool, blood, and saliva collection scenarios

Stool sample	Blood sample	Saliva sample
1. Obtain a home stool test kit (from your doctor, the chemist, or other provider). It contains collection paper, two sample containers with a collection stick attached to the inside of the cap, manufacturer’s instructions, and a return envelope. 2. For the first sample, pass the bowel motion (stool) on to the collection paper placed inside the toilet bowel. 3. The collection stick is used to collect a small sample of stool (equivalent to a few grains of rice) and then to place back into the sample container. 4. The process is repeated on another bowel motion. 5. Both completed samples are placed into the return envelope supplied and posted to the testing laboratory. 6. Results are posted to you as soon as they are available.	1. Visit a doctor or a local pathology collection center. 2. A health professional uses a needle to collect a blood sample from your arm at the doctor’s surgerya or pathology center. 3. The tube of blood is transported to a local testing laboratory. 4. Results are sent to your doctor as soon as they are available.	1. Visit a doctor or a local pathology collection center. 2. A health professional provides you with a small container to collect a saliva sample. 3. You are required to deposit about a teaspoon of saliva from your mouth into the container. 4. The container of saliva is transported to a local testing laboratory. 5. Results are sent to your doctor as soon as they are available.

Notes: Given the following scenarios, on a scale of 1–7 where 1 is strongly disagree and 7 is strongly agree, providing a sample would be 1) unpleasant, 2) unhygienic, 3) embarrassing, and 4) uncomfortable.

^aEquivalent to “doctor’s office.”