Table 3.

Intervention Components Received and Their Association with Fecal Immunochemical Test Completion

Randomization ConditionReach, N (%)FIT Completion, %P value*
Condition 1: automated†
    Text message prompt§.70
        Completed471 (80.0)26.3
        Not completed118 (20.0)24.6
    Automated phone call reminders<.01
        Answered in-person78 (13.2)39.7
        Answered by machine358 (60.8)25.7
        Not completed128 (21.7)17.2
        No call needed25 (–)–
Condition 2: live phone call
    Live phone call reminders<.01
        Answered in-person208 (35.3)29.3
        Answered by machine116 (19.7)7.8
        Not completed101 (17.1)12.9
        No call needed164 (–)–
Condition 3: automated plus live phone call
    Text message prompt§.69
        Completed479 (81.3)35.3
        Not completed110 (18.7)37.3
    Automated phone call reminders<.01
        Answered in-person72 (12.2)55.6
        Answered by machine380 (64.5)35.0
        Not completed116 (19.7)24.1
        No call needed21 (–)–
    Live phone call reminders<.01
        Answered in-person176 (29.9)28.4
        Answered by machine124 (21.1)12.1
        Not completed105 (17.1)8.6
        No call needed184 (–)–

  • FIT, fecal immunochemical test.

  • ↵* P value based on likelihood ratio χ2 test.

  • ↵† 42 patients in the automated arm inadvertently received live call reminders (completed in 2 to 3 weeks).

  • ↵§ Patients were considered reached if the text message was sent.

  • – Not applicable.