1 = first 10
2 = 11-100

1 = Professional
2 = Commercial
3 = nonprofit
4 = healthportal
5 = News
6 = government
7 = other

0 = easy to read
1 = fairly easy to read.
2 = standard / average
3 = fairly difficult to read
4 = difficult to read
5 = very difficult to read
6 = impossible to comprehend

1 = 8-9 yrs. old (Fourth and Fifth graders)
2 = 10-11 yrs. olds (Fifth and Sixth graders)
3 = 11-13 yrs. old (Sixth and Seventh graders
4 = 12-14 yrs. old (Seventh and Eighth graders)
5 = 13-15 yrs. old (Eighth and Ninth graders)
6 = 14-15 yrs. old (Ninth to Tenth graders
7 = 15-17 yrs. old (Tenth to Eleventh graders)
8 = 17-18 yrs. old (Twelfth graders)
9 = 18-19 yrs. old (college level entry)
10 = 21-22 yrs. old (college level)
11 = College graduate

1 = insufficient data
2 = partially sufficient data
3 = completely sufficient data

1 = very poor
2 = poor
3 = fair
4 = good
5 = excellent

1 = poor quality
2 = general poor quality
3 = moderete quality
4 = good quality
5 = excellent

1 = low quality
2 = medium quality
3 = high quality

0 = no
1 = yes