Table 1 Summary of data abstracted from paper-based ACP aids (n = 15)

 Page length

6 - 78

25

–

 Word count

1212-19,122

6825

–

 Country where produced

US & Can1

–

–

 Readability based on Flesch-Kincaid Grade Level

5.5 – 11.7

8.5

–

 Use of color

–

–

86

 Use of photographs with actual people

–

–

46

 Layout (bullet points, short paragraphs, white space)

–

–

67

 Question-answer formats (open-ended questions, Likert scales, quizzes)

–

–

67

 Identified developers’ credentials and/or qualifications

–

–

67

 Identified elements users need to discuss their ACP options

–

–

0

 Involved patients and/or health care providers in development

–

–

7

 Included users in field testing of the paper-based ACP aid

–

–

0