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Table 2 Length and readability of 248 PICFs according to sponsor type

From: Creating concise and readable patient information sheets for interventional studies in Australia: are we there yet?

  All (n = 248) Commercial (n = 77) Non-commercial (n = 171) p (comm versus non-comm)
Number of pages 8 (6–15) 18 (14–22) 7 (5–9) < 0.001
Number of words 3848 (2536–6874) 7826 (6720–9666) 3018 (1917–4258) < 0.001
Flesch-Kincaid Grade Level 11.4 (1.1) 11.3 (0.9) 11.4 (1.1) 0.41
Flesch Reading Ease 49.3 (5.7) 50.1 (5.0) 49.1 (6.0) 0.15
SMOG 13.2 (0.9) 12.9 (0.7) 13.3 (1.0) 0.03
  1. PICF Participant information sheet and consent forms, SMOG Simple Measure of Gobbledygook