Construct | No. of Items (Format) | Scoring (Range) |
---|---|---|
1) Knowledge; refers to a theoretical or practical understanding of a subject | 11 items (true-false-donāt know) | āCorrectā responseā=ā2, ādonāt knowā responseā=ā1, āincorrectā responseā=ā0 (0ā22) |
2) Perceived Susceptibility; refers to subjective assessment of risk of developing a health problem | 4 items/ 5-point Likert Scale (strongly disagree to strongly agree) | strongly disagreeā=ā1, disagreeā=ā2, no ideaā=ā3, agreeā=ā4, strongly agreeā=ā5 (4ā20) |
3) Perceived severity: Perceived severity refers to the subjective assessment of severity of a health problem and its potential consequences. | 6 items/5-point Likert Scale (strongly disagree to strongly agree) | strongly disagreeā=ā1, disagreeā=ā2, no ideaā=ā3, agreeā=ā4, strongly agreeā=ā5 (6ā30) |
4) Perceived benefits: Health-related behaviors are also influenced by the perceived benefits of taking an action. | 7 items/5-point Likert Scale (strongly disagree to strongly agree) | strongly disagreeā=ā1, disagreeā=ā2, no ideaā=ā3, agreeā=ā4, strongly agreeā=ā5 (7ā35) |
5) Perceived barriers: Health-related behaviors are also a function of perceived barriers to taking action. | 9 items/5 point Likert Scale (strongly disagree- strongly agree) | strongly disagreeā=ā1, disagreeā=ā2, no ideaā=ā3, agreeā=ā4, strongly agreeā=ā5 (9ā45) |
6) Perceived Self-efficacy: refers to an individualās perception of his or her competence to successfully perform a behavior | 5 items/5 point Likert Scale (strongly disagree- strongly agree) | strongly disagreeā=ā1, disagreeā=ā2, no ideaā=ā3, agreeā=ā4, strongly agreeā=ā5 (5ā25) |
7) Behavioral intention; refers to a personās perceived probability or āsubjective probabilityā that he or she will engage in a given behavior. | 5 items/5-point Likert Scale (strongly disagree to strongly agree) | strongly disagreeā=ā1, disagreeā=ā2, no ideaā=ā3, agreeā=ā4, strongly agreeā=ā5 (5ā25) |
8) Behavior; refers preventative behaviors associated with colorectal cancer. | 5 items/5-point Likert Scale (Always to never) | alwaysā=ā5, oftenā=ā4, sometimesā=ā3, rarelyā=ā2, neverā=ā1 |