The C-SPAN Coalition: Colorectal Cancer Screening and Patient Navigation

FIT kits and a Standard (control) invitation letter to complete CRC screening is mailed to the homes of eligible patients.

"FIT kits and a Brief Time invitation to complete CRC screening is mailed to the homes of eligible patients. Time letters are used to evaluate the effect of procrastination on CRC screening compliance.~Participants are assigned to the following intervention:~Branch II: Invitation letter to participate in free CRC screening, requesting they return the kit within 1-week."

"FIT kits and an Extended Time invitation to complete CRC screening is mailed to the homes of eligible patients. Time letters are used to evaluate the effect of procrastination on CRC screening compliance.~Participants are assigned to the following intervention:~Branch III: Invitation letter to participate in free CRC screening, requesting they return the kit within 3-weeks."

"FIT kits and a Time + Incentive invitation to complete CRC screening is mailed to the homes of eligible patients. Time + Incentive letters are used to evaluate the effect of incentive on procrastination in CRC screening compliance.~Participants are assigned to the following intervention:~Branch IV: Invitation letter to participate in free CRC screening, requesting they return the kit within 1-week for a higher incentive or within 3-weeks for a lower (half of the higher) incentive."

"FIT kits and a Time + Incentive invitation to complete CRC screening is mailed to the homes of eligible patients. Time + Incentive letters are used to evaluate the effect of incentive on procrastination in CRC screening compliance.~Participants are assigned to the following intervention:~Branch V: Invitation letter to participate in free CRC screening, requesting they return the kit within 1-week for a higher (same as lower Branch IV) or within 3-weeks for a lower (half of lower Branch IV) incentive."