Table 3

Reduced NHP version obtained through Rasch Analysis: the NHP22

PHYSICAL SCALE

ITEMS
ANCHORED MEASURE
SE
INFIT MNSQ
OUTFIT MNSQ

PM3-UNABLE TO WALK
76.1
.62
.82
.96
PM1-WALKING LIMITED
64.1
.51
1.03
1.35
P2-AWFUL PAIN
59.7
.47
.89
.92
PM6-HARD TO DRESS
55.7
.45
.83
.72
P8-PAIN SITTING
53.1
.44
.93
.90
PM5-HARD TO REACH
47.5
.42
.83
.74
EN3-OUT OF ENERGY
44.7
.41
.99
.99
P3-CHANGE PAIN
41.5
.41
.96
.97
P4-WALK PAIN
39.1
.41
.92
.91
PM2-HARD TO BEND
34.8
.41
.90
.93
PM4-STAIRS HARD
25.2
.43
.99
1.50

PSYCHOLOGICAL SCALE

ITEMS
ANCHORED MEASURE
SE
INFIT MNSQ
OUTFIT MNSQ

SO5-PEOPLE HARD
68.6
.55
1.00
1.17
SO2-CONTACT HARD
60.6
.48
.96
1.03
SO4-I'M A BURDEN
58.6
.46
.98
1.02
EM4-DAYS DRAG
56.1
.44
.90
.89
EM6-NO CONTROL
55.0
.44
.90
.88
EM9-DEPRESSED
48.1
.41
.86
.81
EM2-JOY FORGOTTEN
44.9
.41
1.06
1.11
SL3-CAN'T SLEEP
44.0
.40
.93
.88
SL5-SLEEPS BADLY
40.8
.40
.89
.86
SL4-SLOW TO SLEEP
39.2
.40
1.02
1.08
EM1-GETTING ME DOWN
36.8
.43
1.20
1.34

Prieto et al. Health and Quality of Life Outcomes 2003 1:27   doi:10.1186/1477-7525-1-27