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Table 2 Sample items for measuring the central direct constructs of the Integrative Model

From: Adjuncts or adversaries to shared decision-making? Applying the Integrative Model of behavior to the role and design of decision support interventions in healthcare interactions

Construct Survey items
Behavioral intention I intend to tell my doctor about my preferences for colon cancer screening when I see him/her for a consultation today:
  Strongly disagree -3 -2 -1 0 1 2 3 Strongly agree
  I am willing to tell my doctor about my preferences for colon cancer screening when I see him/her for a consultation today:
  Strongly disagree -3 -2 -1 0 1 2 3 Strongly agree
  I will tell my doctor about my preferences for colon cancer screening when I see him/her for a consultation today:
  Very unlikely -3 -2 -1 0 1 2 3 Very likely
Attitudes My telling my doctor about my preferences for colon cancer screening when I see him/her for a consultation today would be:
  Harmful -3 -2 -1 0 1 2 3 Beneficial
  Bad -3 -2 -1 0 1 2 3 Good
  Unpleasant -3 -2 -1 0 1 2 3 Pleasant
  Foolish -3 -2 -1 0 1 2 3 Wise
  Unenjoyable -3 -2 -1 0 1 2 3 Enjoyable
  Not useful -3 -2 -1 0 1 2 3 Useful
Perceived normative pressure Most people who are important to me think that I should tell my doctor about my preferences for colon cancer screening when I see him/her for a consultation today:
  Strongly disagree -3 -2 -1 0 1 2 3 Strongly agree
  Most of the people who are important to me would recommend that I tell my doctor about my preferences for colon cancer screening when I see him/her for a consultation today:
  Strongly disagree -3 -2 -1 0 1 2 3 Strongly agree
  Most people like me tell their doctors about their preferences for colon cancer screening when they see him/her for a consultation:
  Strongly disagree -3 -2 -1 0 1 2 3 Strongly agree
  Other people I know would tell their doctor about their preferences for colon cancer screening when they see him/her for a consultation:
  Strongly disagree -3 -2 -1 0 1 2 3 Strongly agree
Self-efficacy My telling my doctor about my preferences for colon cancer screening when I see him/her for a consultation today would be:
  Not up to me -3 -2 -1 0 1 2 3 Up to me
  If I really wanted to, I could tell my doctor about my preferences for colon cancer screening when I see him/her for a consultation today:
  Strongly disagree -3 -2 -1 0 1 2 3 Strongly agree
  During my consultation with my doctor today, I will be in control of telling him/her about my preferences for colon cancer screening:
  Strongly disagree -3 -2 -1 0 1 2 3 Strongly agree