Table 1 Domains of Partner-Reported Engagement in Colorectal Cancer (CRC) Surveillance

Informed

Perception of being informed about the risks and benefits of surveillance care

Thinking about your partner’s follow-up care for CRC, do you feel that you have received enough information about:

• Risks/benefits of follow-up care in general

• Risks/benefits of follow-up imaging

• Risks/benefits of follow-up colonoscopy/sigmoidoscopy

• Risks/benefits of follow-up CEA blood tests

0.82

Involved

Extent of involvement in surveillance

Thinking about your partner’s follow-up care for CRC, how often do you:

• Help take your partner to follow-up appointments

• Attend doctor appointments for follow-up

• Take notes during doctor appointment

• Help schedule follow-up appointments

• Help keep track of follow-up appointments on a calendar

• Remind your partner about follow-up appointments

• Talk to your partner about follow-up care options

• Share information with your partner from other sources about follow-up care

0.90

Satisfaction with involvement in surveillance

Please tell us how you feel about the following statements (5-point Likert scale from “Not at all” to “Very much”)

• I am satisfied with the amount of involvement I have in my partner’s follow-up care

• I would like to participate more in my partner’s follow-up care

0.62

Aware

Awareness of patients’ preferences for surveillance

How aware are you about your partner’s preferences for follow-up care (5-point Likert scale from “Not at all” to “Very”)

N/A