From: The Single Item Literacy Screener: Evaluation of a brief instrument to identify limited reading ability
Limited Reading Ability
Adequate
Total
Impaired
STOFHLA 0–16
STOFHLA 17–22
STOFHLA 23–26
SILS>2 (positive)
23
47
22
137
229
SILS <2 (negative)
3
31
44
692
770
26
78
66
829
999