Table 1.
Readability Characteristics of Cancer Clinical Trial Websites.
| Test | Number of Websites (n = 100) | Readability Score | |||
|---|---|---|---|---|---|
| Easy (Grade < 6) | Average (Grade 6-10) | Difficult (Grade > 10) | Mean (SD) | Range | |
| FKGL | 0 | 55 | 45 | 10.7 (1.9) | 6.7-16.3 |
| GFI | 6 | 40 | 54 | 10.9 (2.9) | 1.3-18.9 |
| CLI | 0 | 17 | 83 | 12.9 (1.8) | 9.9-17.5 |
| SMOG | 0 | 20 | 80 | 12.3 (1.7) | 8.5-17.5 |
| FREa | 0 | 3 | 97 | 41.5 (11.8) | 3.5-62.8 |
Abbreviations: CLI, Coleman-Liau; FKGL, Flesch-Kincaid Grade Level; FRE, Flesch Reading Ease; GFI, Gunning-Fog Index; SD, standard deviation; SMOG, Simple Measure of Gobbledygook.
a FRE scored on a scale of 0 to 100.