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. 2008 Mar 27;8:64. doi: 10.1186/1472-6963-8-64

Table 3.

Recruiting materials readability statistics for the ABCD Obesity, Math Model and WATCH Study

	ABCD Obesity	Math Model	WATCH Study
Number of words	2127	1439	859
Number of A4 pages	5	3	2
Words per sentence	19.1	17.9	12.8
Number of paragraphs	96	66	53
Passive sentences	26%	31%	17%
Flesch reading ease^a	50.1	45	66.3
Flesch-kincaid grade level^b	10.9	11.3	7.1

^aText is rated on a 100-point scale. The higher the score, the easier it is to understand [16]

^bText is rated on a school grade level [16]