Table 1.

Messages used in Trial 1 (translated from Greek).

	Message
Social responsibility	The Ministry of Health has started a colorectal cancer screening program to reduce the number of victims in Cyprus. Developing colorectal cancer is likely to have a substantial physical and emotional impact on your life. However, it is not just you who would suffer; typically, family and friends suffer with you. Participate now, not only for your own health but also to prevent your family and your friends from going through the suffering with you. After all, they deserve it!
Anticipated regret	The Ministry of Health has started a colorectal cancer screening program to reduce the number of victims in Cyprus. Without participating in the screening program now, you might find out too late that you have colorectal cancer. Patients with an early diagnosis have much higher survival rates. Later cancer diagnoses can be physically and mentally more painful as the cancer might be more difficult to cure. Participate now and avoid regretting the decision later!
Account effect	The Ministry of Health has started a colorectal cancer screening program to reduce the number of victims in Cyprus. You can participate in this screening program now. Remember that although the participation is free, you and others have financed this program through your taxes. Participate now, not only for your own health but also to not waste your tax money.
Benefit of early detection	The Ministry of Health has started a colorectal cancer screening program to reduce the number of victims in Cyprus. Testing increases the chance that the cancer is detected in an early stage so that you could profit from early treatments. Your participation in the program reduces the risk of detecting colon cancer at an advanced stage.
Scarcity effect	The Ministry of Health has started a colorectal cancer screening program to reduce the number of victims in Cyprus. The current program is only available to people who live in the area of ____. Furthermore, the program will end at the end of this year. Don't wait and risk regretting passing up on the opportunity of free screening. Hurry up and participate in the program.
Social norms	The Ministry of Health has started a colorectal cancer screening program to reduce the number of victims in Cyprus. The program has started to be successfully implemented in the other regions of _____, where a large number of people have already participated in the program. Follow their lead and participate in the program!