Is the Cloze Procedure Appropriate to Evaluate Health Literacy in Older Individuals? Age Effects in the Test of Functional Health Literacy in Adults
Table 2
Item difficulties, discriminations, and betas.
Item
Difficulty
SD
Discrimination
Betab
A1a
0.99
0.09
0.60
0.03
A2
0.97
0.16
0.53
0.00
A3
0.89
0.31
0.34
0.01
A4
0.97
0.18
0.42
0.04
A5
0.98
0.13
0.35
0.03
A6
0.96
0.20
0.42
0.01
A7
0.97
0.18
0.54
0.01
A8
0.98
0.13
0.34
0.01
A9
0.94
0.24
0.26
0.01
A10
0.97
0.17
0.54
0.05
A11
0.98
0.13
0.42
0.02
A12
0.99
0.11
0.54
0.02
A13
0.96
0.20
0.41
0.03
A14
0.95
0.21
0.55
0.01
A15
0.97
0.17
0.38
0.01
A16
0.97
0.16
0.57
0.03
B17
0.98
0.14
0.57
0.01
B18
0.99
0.09
0.60
0.01
B19
0.83
0.37
0.27
0.03
B20
0.97
0.18
0.25
0.00
B21
0.93
0.26
0.65
0.01
B22
0.95
0.22
0.42
0.02
B23
0.96
0.19
0.47
0.05
B24
0.84
0.37
0.49
0.08
c
B25
0.92
0.27
0.52
0.04
B26
0.92
0.27
0.52
0.04
B27
0.97
0.16
0.55
0.01
B28
0.97
0.16
0.58
0.02
B29
0.92
0.27
0.53
0.02
B30
0.94
0.24
0.63
0.02
B31
0.89
0.31
0.32
0.08
c
B32
0.92
0.27
0.41
0.05
c
B33
0.97
0.18
0.50
0.03
B34
0.49
0.50
0.19
0.19
c
B35
0.97
0.17
0.65
0.03
B36
0.97
0.17
0.50
0.02
C37
0.97
0.18
0.67
0.02
C38
0.93
0.25
0.68
0.02
C39
0.83
0.38
0.47
0.10
c
C40
0.84
0.37
0.52
0.03
C41
0.81
0.39
0.56
0.07
C42
0.92
0.27
0.56
0.02
C43
0.88
0.32
0.63
0.03
C44
0.92
0.27
0.68
0.02
C45
0.55
0.50
0.37
0.09
c
C46
0.83
0.38
0.56
0.02
C47
0.46
0.50
0.32
0.18
c
C48
0.86
0.35
0.57
0.04
C49
0.82
0.38
0.54
0.03
C50
0.88
0.32
0.36
0.04
Letter prefixes before items numbers denote in which of the three test paragraphs the item is included.
bItems with values greater than the cutoff value of 0.0421 are in bold font, because of rounding some values of 0.04 is less than the cutoff value.
cItems that showed age-related DIF in a study of individuals younger and older than 50 treated for HIV infection [29].
