Table 1.

Measuring instruments used for health information websites.

Parameters, question instruments		Description
Initial questions
	Affiliation	Nonprofit organization (.org), academic (.edu), communication/media, government (.gov), private/affiliation not disclosed (.com)
	Cancer risk explanation	Mentions risk for pancreatic cancer
Quality of information
	DISCERN instrument	16 questions × 1-5 points each. Minimum score: 16 points; maximum score: 80 points
Readability
	Flesch-Kincaid Grade Level	Minimum score: 5 points, maximum score: 19 points 5 points: 5th grade 6 points: 6th grade 7 points: 7th grade 12 points: 12th grade 13 points: University 1st year 14 points: University 2nd year 15-16 points: University 3rd-4th year 17-18 points: Master’s and professional degree 19+ points: Doctorate
	Gunning Fog Index	Same scoring as mentioned for Flesch-Kincaid Grade Level
	Simple Measure of Gobbledygook Readability Formula	Same scoring as mentioned for Flesch-Kincaid Grade Level
	Coleman-Liau Index	Same scoring as mentioned for Flesch-Kincaid Grade Level