Readability and Suitability of COPD Consumer Information

Table 1

Readability interpretation.

(i) Flesch Reading Ease	(i) Gunning Fog	(i) Flesch-Kincaid Grade Level; (ii) Coleman-Liau Index; (iii) SMOG Index; (iv) Automated Readability Index; (v) Linsear Write Formula
90–100: very easy	5: readable; 10: hard; 15: difficult; 20: very difficult	Number is considered equivalent to grade level. Anything above 12 is considered college level.
80–89: easy
70–79: fairly easy
60–69: standard
50–59: fairly difficult
30–49: difficult
0–29: very confusing

SMOG: simple measure of Gobbledygook.